1312321920

Names of 1312321920

• Cardinal: 1312321920 can be written as One billion, three hundred twelve million, three hundred twenty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.31232192 × 10⁹

Factors of 1312321920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 96

Divisors of 1312321920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 29 30 32 35 37 39 40 42 48 49 52 56 58 60 64 65 70 74 78 80 84 87 91 96 98 104 105 111 112 116 120 128 130 140 145 147 148 156 160 168 174 182 185 192 195 196 203 208 210 222 224 232 240 245 259 260 273 280 290 294 296 312 320 336 348 364 370 377 384 390 392 406 416 420 435 444 448 455 464 480 481 490 518 520 546 555 560 580 588 592 609 624 637 640 672 696 728 735 740 754 777 780 784 812 832 840 870 888 896 910 928 960 962 980 1015 1036 1040 1073 1092 1110 1120 1131 1160 1176 1184 1218 1248 1274 1295 1344 1365 1392 1421 1443 1456 1470 1480 1508 1554 1560 1568 1624 1664 1680 1740 1776 1813 1820 1856 1885 1911 1920 1924 1960 2030 2072 2080 2146 2184 2220 2240 2262 2320 2352 2368 2405 2436 2496 2548 2590 2639 2688 2730 2784 2842 2886 2912 2940 2960 3016 3045 3108 3120 3136 3185 3219 3248 3360 3367 3480 3552 3626 3640 3712 3770 3822 3848 3885 3920 4060 4144 4160 4263 4292 4368 4440 4480 4524 4640 4704 4736 4810 4872 4992 5096 5180 5278 5365 5439 5460 5568 5655 5684 5772 5824 5880 5920 6032 6090 6216 6240 6272 6370 6438 6496 6720 6734 6960 7104 7105 7215 7252 7280 7511 7540 7644 7696 7770 7840 7917 8120 8288 8320 8526 8584 8736 8880 9048 9065 9280 9408 9555 9620 9744 10101 10192 10360 10556 10730 10878 10920 11136 11310 11368 11544 11648 11760 11840 12064 12180 12432 12480 12740 12876 12992 13195 13440 13468 13920 13949 14208 14210 14430 14504 14560 15022 15080 15288 15392 15540 15680 15834 16095 16240 16576 16835 17052 17168 17472 17760 18096 18130 18473 18560 18816 19110 19240 19488 20202 20384 20720 21112 21315 21460 21756 21840 22533 22620 22736 23088 23520 23569 23680 24128 24360 24864 24960 25480 25752 25984 26390 26936 27195 27840 27898 28420 28860 29008 29120 30044 30160 30576 30784 31080 31360 31668 32190 32480 33152 33670 34104 34336 34944 35520 36192 36260 36946 37555 38220 38480 38976 39585 40404 40768 41440 41847 42224 42630 42920 43512 43680 45066 45240 45472 46176 47040 47138 48256 48720 49728 50505 50960 51504 52577 52780 53872 54390 55419 55680 55796 56840 57720 58016 58240 60088 60320 61152 61568 62160 63336 64380 64960 67340 68208 68672 69745 70707 71040 72384 72520 73892 75110 76440 76960 77952 79170 80808 81536 82880 83694 84448 85260 85840 87024 87360 90132 90480 90944 92352 92365 94080 94276 97440 97643 99456 101010 101920 103008 105154 105560 107744 108780 110838 111592 112665 113680 115440 116032 117845 120176 120640 122304 124320 126672 128760 129920 134680 136416 137344 139490 141414 144768 145040 147784 150220 152880 153920 157731 158340 161616 165760 167388 168896 170520 171680 174048 174720 180264 180960 181888 184704 184730 188552 194880 195286 202020 203840 206016 209235 210308 211120 215488 217560 221676 223184 225330 227360 230880 232064 235690 240352 241280 244608 248640 253344 257520 262885 269360 272832 277095 278980 282828 290080 292929 295568 300440 305760 307840 315462 316680 323232 334776 337792 341040 343360 348096 353535 360528 361920 369460 377104 389760 390572 404040 407680 412032 418470 420616 422240 430976 435120 443352 446368 450660 454720 461760 471380 480704 488215 497280 506688 515040 525770 538720 545664 554190 557960 565656 580160 585858 591136 600880 611520 630924 633360 646464 669552 682080 683501 686720 696192 707070 721056 723840 738920 754208 781144 788655 808080 836940 841232 844480 870240 886704 892736 901320 909440 923520 942760 961408 976430 1013376 1030080 1051540 1077440 1108380 1115920 1131312 1160320 1171716 1182272 1201760 1223040 1261848 1266720 1292928 1339104 1364160 1367002 1414140 1442112 1464645 1477840 1508416 1562288 1577310 1616160 1673880 1682464 1688960 1740480 1773408 1785472 1802640 1885520 1952860 2050503 2060160 2103080 2154880 2216760 2231840 2262624 2343432 2364544 2403520 2523696 2533440 2678208 2728320 2734004 2828280 2884224 2929290 2955680 3016832 3124576 3154620 3232320 3347760 3364928 3417505 3480960 3546816 3605280 3771040 3905720 4101006 4206160 4433520 4463680 4525248 4686864 4807040 5047392 5066880 5356416 5468008 5656560 5858580 5911360 6249152 6309240 6464640 6695520 6729856 6835010 7093632 7210560 7542080 7811440 8202012 8412320 8867040 8927360 9050496 9373728 10094784 10252515 10936016 11313120 11717160 11822720 12498304 12618480 13391040 13670020 14421120 15084160 15622880 16404024 16824640 17734080 18747456 20189568 20505030 21872032 22626240 23434320 25236960 26782080 27340040 31245760 32808048 33649280 35468160 37494912 41010060 43744064 45252480 46868640 50473920 54680080 62491520 65616096 82020120 87488128 93737280 100947840 109360160 131232192 164040240 187474560 218720320 262464384 328080480 437440640 656160960 1312321920
• Sum of all divisors σ(n): 5567486400
• Sum of proper divisors (its aliquot sum) s(n): 4255164480
• 1312321920 is an abundant number, because the sum of its proper divisors (4255164480) is greater than itself. Its abundance is 2942842560

Bases of 1312321920

• Binary: 1001110001110000111000110000000₂
• Hexadecimal: 0x4E387180
• Base-36: LPBM2O

Squares and roots of 1312321920

• 1312321920 squared (1312321920²) is 1722188821712486400
• 1312321920 cubed (1312321920³) is 2260066141112267840421888000
• The square root of 1312321920 is 36225.9840446053
• The cube root of 1312321920 is 1094.8302649693

Scales and comparisons

• 1,312,321,920 seconds is equal to 41 years, 37 weeks, 5 days, 21 hours, 52 minutes.
• To count from 1 to 1,312,321,920 would take you about eighty-three 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 1312321920 cubic inches would be around 91.2 feet tall.

Recreational maths with 1312321920

• 1312321920 backwards is 0291232131
• 1312321920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1312321920's digits is 24
• More coming soon!