40721728320

Names of 40721728320

• Cardinal: 40721728320 can be written as Forty billion, seven hundred twenty-one million, seven hundred twenty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 4.072172832 × 10¹⁰

Factors of 40721728320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 181

Divisors of 40721728320

• Number of divisors d(n): 1120
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 49 52 54 56 60 63 64 65 70 72 78 80 84 90 91 96 98 104 105 108 112 117 120 126 130 135 140 144 147 151 156 160 168 180 182 189 192 195 196 208 210 216 224 234 240 245 252 260 270 273 280 288 294 302 312 315 320 336 343 351 360 364 378 390 392 416 420 432 441 448 453 455 468 480 490 504 520 540 546 560 576 585 588 604 624 630 637 672 686 702 720 728 735 755 756 780 784 819 832 840 864 882 906 910 936 945 960 980 1008 1029 1040 1057 1080 1092 1120 1170 1176 1208 1248 1260 1274 1323 1344 1359 1365 1372 1404 1440 1456 1470 1510 1512 1560 1568 1638 1680 1715 1728 1755 1764 1812 1820 1872 1890 1911 1960 1963 2016 2058 2080 2114 2160 2184 2205 2240 2265 2340 2352 2401 2416 2457 2496 2520 2548 2646 2718 2730 2744 2808 2880 2912 2940 3020 3024 3087 3120 3136 3171 3185 3276 3360 3430 3510 3528 3624 3640 3744 3780 3822 3920 3926 4032 4077 4095 4116 4160 4228 4320 4368 4410 4459 4530 4680 4704 4802 4832 4914 5040 5096 5145 5285 5292 5436 5460 5488 5616 5733 5824 5880 5889 6040 6048 6174 6240 6342 6370 6552 6615 6720 6795 6860 7020 7056 7203 7248 7280 7399 7488 7560 7644 7840 7852 8154 8190 8232 8456 8640 8736 8820 8918 9060 9261 9360 9408 9513 9555 9604 9664 9815 9828 10080 10192 10290 10570 10584 10872 10920 10976 11232 11466 11760 11778 12005 12080 12096 12285 12348 12480 12684 12740 13104 13230 13377 13590 13720 13741 14040 14112 14406 14496 14560 14798 15120 15288 15435 15680 15704 15855 16308 16380 16464 16912 17199 17472 17640 17667 17836 18120 18522 18720 19026 19110 19208 19630 19656 20160 20384 20385 20580 21140 21168 21609 21744 21840 21952 22197 22295 22464 22932 23520 23556 24010 24160 24570 24696 25368 25480 26208 26460 26754 27180 27440 27482 28080 28224 28539 28665 28812 28992 29120 29445 29596 30240 30576 30870 31213 31408 31710 32616 32760 32928 33824 34398 35280 35334 35672 36015 36240 36995 37044 37440 38052 38220 38416 39260 39312 40131 40768 40770 41160 41223 42280 42336 43218 43488 43680 44394 44590 45864 46305 47040 47112 47565 48020 48320 49140 49392 50736 50960 51793 52416 52920 53001 53508 54360 54880 54964 56160 57078 57330 57624 58890 59192 60480 61152 61740 62426 62816 63420 64827 65232 65520 65856 66591 66885 67648 68705 68796 70560 70668 71344 72030 72480 73990 74088 76104 76440 76832 78520 78624 80262 81540 82320 82446 84560 84672 85995 86436 86976 87360 88335 88788 89180 91728 92610 93639 94224 95130 96040 96187 98280 98784 101472 101920 103586 105840 106002 107016 108045 108720 109760 109928 110985 112320 114156 114660 115248 117780 118384 120393 122304 123480 123669 124852 125632 126840 129654 130464 131040 133182 133770 137410 137592 141120 141336 142688 142695 144060 144960 147980 148176 152208 152880 153664 155379 156065 157040 157248 160524 163080 164640 164892 169120 171990 172872 176670 177576 178360 183456 185220 187278 188448 190260 192080 192374 196560 197568 199773 200655 202944 203840 206115 207172 211680 212004 214032 216090 217440 219856 221970 228312 229320 230496 235560 236768 240786 246960 247338 249704 253680 258965 259308 260928 262080 265005 266364 267540 274820 275184 280917 282672 285376 285390 288120 288561 295960 296352 304416 305760 310758 312130 314080 321048 324135 326160 329280 329784 332955 338240 343980 345744 353340 355152 356720 362551 366912 370440 371007 374556 376896 380520 384160 384748 393120 399546 401310 412230 414344 423360 424008 428064 432180 434880 439712 443940 456624 458640 460992 466137 468195 471120 473536 480935 481572 493920 494676 499408 507360 517930 518616 530010 532728 535080 549640 550368 561834 565344 570780 576240 577122 591920 592704 601965 608832 611520 618345 621516 624260 628160 642096 648270 652320 659568 665910 673309 687960 691488 706680 710304 713440 725102 740880 742014 749112 761040 768320 769496 776895 786240 799092 802620 824460 828688 842751 848016 856128 864360 865683 879424 887880 913248 917280 932274 936390 942240 961870 963144 987840 989352 998816 998865 1014720 1035860 1037232 1060020 1065456 1070160 1087653 1099280 1100736 1123668 1130688 1141560 1152480 1154244 1183840 1203930 1236690 1243032 1248520 1284192 1296540 1304640 1319136 1331820 1346618 1375920 1382976 1398411 1404585 1413360 1420608 1426880 1442805 1450204 1481760 1484028 1498224 1522080 1538992 1553790 1598184 1605240 1648920 1657376 1685502 1696032 1728720 1731366 1775760 1812755 1826496 1834560 1855035 1864548 1872780 1884480 1923740 1926288 1978704 1997632 1997730 2019927 2071720 2074464 2120040 2130912 2140320 2175306 2198560 2247336 2283120 2304960 2308488 2330685 2367680 2407860 2473380 2486064 2497040 2568384 2593080 2597049 2638272 2663640 2693236 2751840 2796822 2809170 2826720 2885610 2900408 2963520 2968056 2996448 3044160 3077984 3107580 3196368 3210480 3262959 3297840 3314752 3366545 3371004 3392064 3457440 3462732 3551520 3625510 3710070 3729096 3745560 3847480 3852576 3957408 3995460 4039854 4143440 4148928 4213755 4240080 4261824 4280640 4328415 4350612 4397120 4494672 4566240 4616976 4661370 4713163 4815720 4946760 4972128 4994080 5186160 5194098 5327280 5386472 5438265 5503680 5593644 5618340 5653440 5771220 5800816 5936112 5992896 6059781 6155968 6215160 6392736 6420960 6525918 6595680 6733090 6742008 6914880 6925464 6992055 7103040 7251020 7420140 7458192 7491120 7694960 7705152 7914816 7990920 8079708 8286880 8427510 8480160 8656830 8701224 8989344 9132480 9233952 9322740 9426326 9631440 9788877 9893520 9944256 9988160 10099635 10372320 10388196 10654560 10772944 10876530 11187288 11236680 11542440 11601632 11872224 12119562 12430320 12785472 12841920 12985245 13051836 13191360 13466180 13484016 13850928 13984110 14139489 14502040 14840280 14916384 14982240 15389920 15981840 16159416 16314795 16573760 16855020 16960320 17313660 17402448 17978688 18179343 18467904 18645480 18852652 19262880 19577754 19787040 20199270 20744640 20776392 21309120 21545888 21753060 22374576 22473360 23084880 23203264 23565815 23744448 24239124 24860640 25970490 26103672 26932360 26968032 27701856 27968220 28278978 29004080 29680560 29832768 29964480 30298905 30779840 31963680 32318832 32629590 33710040 34627320 34804896 36358686 37290960 37705304 38525760 39155508 39574080 40398540 41552784 42418467 43091776 43506120 44749152 44946720 46169760 47131630 48478248 48944385 49721280 51940980 52207344 53864720 53936064 55403712 55936440 56557956 58008160 59361120 60597810 63927360 64637664 65259180 67420080 69254640 69609792 70697445 72717372 74581920 75410608 78311016 80797080 83105568 84836934 87012240 89498304 89893440 90896715 92339520 94263260 96956496 97888770 103881960 104414688 107729440 111872880 113115912 116016320 118722240 121195620 127255401 129275328 130518360 134840160 138509280 141394890 145434744 149163840 150821216 156622032 161594160 166211136 169673868 174024480 181793430 188526520 193912992 195777540 207763920 208829376 212092335 215458880 223745760 226231824 242391240 254510802 261036720 269680320 277018560 282789780 290869488 301642432 313244064 323188320 339347736 348048960 363586860 377053040 387825984 391555080 415527840 424184670 447491520 452463648 484782480 509021604 522073440 565579560 581738976 626488128 636277005 646376640 678695472 727173720 754106080 783110160 831055680 848369340 904927296 969564960 1018043208 1044146880 1131159120 1163477952 1272554010 1357390944 1454347440 1508212160 1566220320 1696738680 1939129920 2036086416 2262318240 2545108020 2714781888 2908694880 3132440640 3393477360 4072172832 4524636480 5090216040 5817389760 6786954720 8144345664 10180432080 13573909440 20360864160 40721728320
• Sum of all divisors σ(n): 181676893440
• Sum of proper divisors (its aliquot sum) s(n): 140955165120
• 40721728320 is an abundant number, because the sum of its proper divisors (140955165120) is greater than itself. Its abundance is 100233436800

Bases of 40721728320

• Binary: 100101111011001101000100001101000000₂
• Hexadecimal: 0x97B344340
• Base-36: IPGNYO0

Squares and roots of 40721728320

• 40721728320 squared (40721728320²) is 1658259157367890022400
• 40721728320 cubed (40721728320³) is 67527178890487343783811514368000
• The square root of 40721728320 is 201796.2544746557
• The cube root of 40721728320 is 3440.3983764341

Scales and comparisons

• 40,721,728,320 seconds is equal to 1,294 years, 42 weeks, 6 days, 7 hours, 12 minutes.
• To count from 1 to 40,721,728,320 would take you about two thousand, five hundred eighty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 40721728320 cubic inches would be around 286.7 feet tall.

Recreational maths with 40721728320

• 40721728320 backwards is 02382712704
• 40721728320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40721728320's digits is 36
• More coming soon!