21361922400

Names of 21361922400

• Cardinal: 21361922400 can be written as Twenty-one billion, three hundred sixty-one million, nine hundred twenty-two thousand, four hundred.

Scientific notation

• Scientific notation: 2.13619224 × 10¹⁰

Factors of 21361922400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 276

Divisors of 21361922400

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 25 26 28 30 32 35 39 40 42 48 49 50 52 56 60 65 70 75 78 80 84 89 91 96 98 100 104 105 112 120 130 140 147 150 156 157 160 168 175 178 182 195 196 200 208 210 224 240 245 260 267 273 280 294 300 312 314 325 336 350 356 364 390 392 400 416 420 445 455 471 480 490 520 525 534 546 560 588 600 623 624 628 637 650 672 700 712 728 735 780 784 785 800 840 890 910 942 975 980 1040 1050 1068 1092 1099 1120 1157 1176 1200 1225 1246 1248 1256 1274 1300 1335 1365 1400 1424 1456 1470 1560 1568 1570 1680 1780 1820 1869 1884 1911 1950 1960 2041 2080 2100 2136 2184 2198 2225 2275 2314 2352 2355 2400 2450 2492 2512 2548 2600 2670 2730 2800 2848 2912 2940 3115 3120 3140 3185 3297 3360 3471 3560 3640 3675 3738 3768 3822 3900 3920 3925 4082 4200 4272 4361 4368 4396 4450 4550 4628 4704 4710 4900 4984 5024 5096 5200 5340 5460 5495 5600 5785 5880 6123 6230 6240 6280 6370 6594 6675 6825 6942 7120 7280 7350 7476 7536 7644 7693 7800 7840 7850 8099 8164 8400 8544 8722 8736 8792 8900 9100 9256 9345 9420 9555 9800 9968 10192 10205 10400 10680 10920 10990 11570 11760 11775 12246 12460 12560 12740 13083 13188 13350 13650 13884 13973 14240 14287 14560 14700 14952 15072 15288 15386 15575 15600 15700 15925 16198 16328 16485 16800 17355 17444 17584 17800 18200 18512 18690 18840 19110 19600 19936 20384 20410 21360 21805 21840 21980 23079 23140 23520 23550 24297 24492 24920 25120 25480 26166 26376 26700 27300 27475 27768 27946 28574 28925 29400 29904 30576 30615 30772 31150 31200 31400 31850 32396 32656 32970 34710 34888 35168 35600 36400 37024 37380 37680 38220 38465 39200 40495 40820 41919 42720 42861 43610 43680 43960 46158 46280 46725 47100 47775 48594 48984 49840 50960 51025 52332 52752 53400 54600 54950 55536 55892 56693 57148 57850 58800 59808 61152 61230 61544 62300 62800 63700 64792 65312 65415 65940 69420 69776 69865 71200 71435 72800 74760 75360 76440 76930 80990 81640 82425 83838 85722 86775 87220 87920 92316 92560 93450 94200 95550 97188 97811 97968 99680 100009 101920 102050 104664 105504 106800 109025 109200 109900 111072 111784 113386 114296 115395 115700 117600 121485 122460 123088 124600 125600 127400 129584 130830 131880 138840 139552 139730 142870 149520 152880 153075 153860 161980 163280 164850 167676 170079 171444 173550 174440 175840 181649 184632 185120 186900 188400 191100 192325 194376 195622 195936 200018 202475 204100 209328 209595 213600 214305 218050 218400 219800 223568 226772 228592 230790 231400 242970 244920 246176 249200 254800 259168 261660 263760 277680 279460 283465 285740 293433 299040 300027 305760 306150 307720 323960 326560 327075 329700 335352 340158 342888 347100 348880 349325 357175 363298 369264 373800 376800 382200 384650 388752 391244 400036 404950 408200 418656 419190 428610 436100 439600 447136 453544 457184 461580 462800 485940 489055 489840 498400 500045 509600 523320 527520 544947 555360 558920 566930 571480 576975 586866 600054 607425 612300 615440 647920 654150 659400 670704 680316 684677 685776 694200 697760 698650 714350 726596 738528 747600 764400 769300 777504 782488 800072 809900 816400 838380 850395 857220 872200 879200 907088 908245 923160 925600 971880 978110 979680 1000090 1046640 1047975 1071525 1089894 1117840 1133860 1142960 1153950 1173732 1200108 1214850 1224600 1230880 1271543 1295840 1308300 1318800 1341408 1360632 1369354 1371552 1388400 1397300 1417325 1428700 1453192 1467165 1495200 1500135 1528800 1538600 1564976 1600144 1619800 1632800 1676760 1700790 1714440 1744400 1814176 1816490 1846320 1943760 1956220 2000180 2054031 2093280 2095950 2143050 2179788 2235680 2267720 2285920 2307900 2347464 2400216 2429700 2445275 2449200 2500225 2543086 2616600 2637600 2721264 2724735 2738708 2776800 2794600 2834650 2857400 2906384 2934330 3000270 3077200 3129952 3200288 3239600 3353520 3401580 3423385 3428880 3488800 3632980 3692640 3814629 3887520 3912440 4000360 4108062 4191900 4251975 4286100 4359576 4535440 4541225 4615800 4694928 4800432 4859400 4890550 4898400 5000450 5086172 5233200 5442528 5449470 5477416 5589200 5669300 5714800 5812768 5868660 6000540 6154400 6357715 6479200 6707040 6803160 6846770 6857760 7265960 7335825 7500675 7629258 7824880 8000720 8216124 8383800 8503950 8572200 8719152 8900801 9070880 9082450 9231600 9389856 9600864 9718800 9781100 10000900 10172344 10270155 10466400 10898940 10954832 11178400 11338600 11429600 11737320 12001080 12715430 13606320 13623675 13693540 14531920 14671650 15001350 15258516 15649760 16001440 16432248 16767600 17007900 17116925 17144400 17438304 17801602 18164900 18463200 19073145 19437600 19562200 20001800 20344688 20540310 21797880 21909664 22677200 23474640 24002160 25430860 26702403 27212640 27247350 27387080 29063840 29343300 30002700 30517032 31788575 32864496 33535200 34015800 34233850 34288800 35603204 36329800 38146290 39124400 40003600 40689376 41080620 43595760 44504005 45354400 46949280 48004320 50861720 51350775 53404806 54494700 54774160 58686600 60005400 61034064 63577150 65728992 68031600 68467700 71206408 72659600 76292580 78248800 80007200 82161240 87191520 89008010 95365725 101723440 102701550 106809612 108989400 109548320 117373200 120010800 122068128 127154300 133512015 136063200 136935400 142412816 145319200 152585160 164322480 178016020 190731450 203446880 205403100 213619224 217978800 222520025 234746400 240021600 254308600 267024030 273870800 284825632 305170320 328644960 356032040 381462900 410806200 427238448 435957600 445040050 508617200 534048060 547741600 610340640 667560075 712064080 762925800 821612400 854476896 890080100 1017234400 1068096120 1335120150 1424128160 1525851600 1643224800 1780160200 2136192240 2670240300 3051703200 3560320400 4272384480 5340480600 7120640800 10680961200 21361922400
• Sum of all divisors σ(n): 88647138720
• Sum of proper divisors (its aliquot sum) s(n): 67285216320
• 21361922400 is an abundant number, because the sum of its proper divisors (67285216320) is greater than itself. Its abundance is 45923293920

Bases of 21361922400

• Binary: 10011111001010001010001000101100000₂
• Hexadecimal: 0x4F9451160
• Base-36: 9TAC4TC

Squares and roots of 21361922400

• 21361922400 squared (21361922400²) is 456331728623621760000
• 21361922400 cubed (21361922400³) is 9748122975515666844071424000000
• The square root of 21361922400 is 146157.1838809163
• The cube root of 21361922400 is 2774.6834538693

Scales and comparisons

• 21,361,922,400 seconds is equal to 679 years, 12 weeks, 4 days, 11 hours, 20 minutes.
• To count from 1 to 21,361,922,400 would take you about one thousand, three hundred fifty-eight 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 21361922400 cubic inches would be around 231.2 feet tall.

Recreational maths with 21361922400

• 21361922400 backwards is 00422916312
• 21361922400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21361922400's digits is 30
• More coming soon!