31689018900

Names of 31689018900

• Cardinal: 31689018900 can be written as Thirty-one billion, six hundred eighty-nine million, eighteen thousand, nine hundred.

Scientific notation

• Scientific notation: 3.16890189 × 10¹⁰

Factors of 31689018900

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 675

Divisors of 31689018900

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 19 20 21 22 25 28 30 33 35 36 38 41 42 44 45 50 55 57 60 63 66 70 75 76 77 82 84 90 95 99 100 105 110 114 123 126 132 133 140 150 154 164 165 171 175 180 190 198 205 209 210 220 225 228 231 246 252 266 275 285 287 300 308 315 330 342 350 369 380 385 396 399 410 418 420 450 451 462 475 492 495 525 532 550 570 574 587 615 627 630 660 665 684 693 700 738 770 779 798 820 825 836 855 861 900 902 924 950 990 1025 1045 1050 1100 1140 1148 1155 1174 1197 1230 1254 1260 1330 1353 1386 1425 1435 1463 1476 1540 1558 1575 1596 1650 1710 1722 1761 1804 1845 1881 1900 1925 1980 1995 2050 2090 2100 2255 2310 2337 2348 2394 2460 2475 2508 2583 2660 2706 2772 2850 2870 2926 2935 3075 3116 3135 3150 3157 3300 3325 3420 3444 3465 3522 3690 3762 3850 3895 3990 4059 4100 4109 4180 4275 4305 4389 4510 4620 4674 4788 4950 5166 5225 5283 5412 5453 5700 5740 5775 5852 5870 5985 6150 6270 6300 6314 6457 6650 6765 6930 7011 7044 7175 7315 7380 7524 7700 7790 7980 8118 8218 8550 8569 8610 8778 8805 9020 9225 9348 9405 9471 9900 9975 10332 10450 10566 10906 11153 11275 11550 11685 11740 11970 12300 12327 12540 12628 12914 12915 13167 13300 13530 13860 14022 14350 14630 14675 15580 15675 15785 16236 16359 16436 17100 17138 17220 17325 17556 17610 18450 18810 18942 19371 19475 19950 20295 20545 20900 21132 21525 21812 21945 22306 22550 23100 23370 23940 24067 24654 25707 25828 25830 26334 26415 27060 27265 28044 28413 28700 29260 29350 29925 31350 31570 32285 32718 33459 33825 34276 34650 35055 35220 36575 36900 36981 37620 37884 38742 38950 39900 40590 41090 42845 43050 43890 44025 44612 45100 45199 46740 47025 47355 48134 49077 49308 51414 51660 52668 52830 54530 55765 56826 58113 58425 58700 59850 59983 61635 62700 63140 64570 64575 65436 65835 66918 67650 69300 70110 72201 73150 73962 77121 77484 77900 78071 78925 81180 81795 82180 85690 86100 87780 88050 90398 94050 94710 96268 96855 98154 100377 101475 102725 102828 105660 109060 109725 111530 113652 116226 116850 119700 119966 120335 122683 123270 128535 129140 129150 131670 132075 133836 135300 135597 136325 140220 142065 144402 146300 147924 154242 156142 157850 161425 163590 167295 168469 171380 175275 176100 179949 180796 184905 188100 189420 193710 196308 200754 202950 205450 214225 216603 219450 223060 225995 232452 233700 234213 236775 239932 240670 245366 245385 246540 257070 258300 263340 264150 264737 271194 272650 278825 284130 288804 290565 299915 308175 308484 312284 315700 322850 327180 329175 334590 336938 350550 359898 361005 368049 369810 385605 387420 390355 401508 405900 406791 408975 410900 428450 433206 438900 451990 457273 468426 473550 481340 484275 490732 490770 501885 505407 514140 528300 529474 539847 542388 545300 557650 568260 581130 599830 601675 613415 616350 642675 645700 658350 669180 673876 677985 701100 702639 710325 719796 722010 736098 739620 771210 780710 794211 813582 817950 836475 842345 856900 858781 866412 899745 903980 914546 924525 936852 947100 968550 981540 1003770 1010814 1058948 1079694 1083015 1104147 1115300 1129975 1162260 1171065 1199660 1203350 1226830 1226925 1232700 1285350 1316700 1323685 1355970 1371819 1405278 1420650 1444020 1452825 1472196 1499575 1516221 1542420 1561420 1588422 1627164 1635900 1672950 1684690 1717562 1799490 1805025 1829092 1840245 1849050 1853159 1928025 1937100 1951775 2007540 2021628 2033955 2159388 2166030 2208294 2259950 2286365 2342130 2382633 2406700 2453660 2453850 2509425 2527035 2570700 2576343 2647370 2699235 2711940 2743638 2810556 2841300 2905650 2999150 3032442 3067075 3176844 3200911 3345900 3369380 3389925 3435124 3513195 3598980 3610050 3680490 3698100 3706318 3856050 3903550 3971055 4067910 4115457 4211725 4293905 4332060 4416588 4498725 4519900 4572730 4684260 4765266 4907700 5018850 5030003 5054070 5152686 5294740 5398470 5415075 5487276 5520735 5559477 5811300 5855325 5998300 6064884 6134150 6401822 6618425 6779850 6859095 7026390 7220100 7360980 7412636 7581105 7712100 7729029 7807100 7942110 8135820 8230914 8423450 8587810 8997450 9145460 9201225 9265795 9530532 9602733 10037700 10060006 10108140 10169775 10305372 10796940 10830150 11041470 11118954 11431825 11710650 11913165 12268300 12635175 12803644 12881715 13236850 13496175 13559700 13718190 14052780 15090009 15162210 15458058 15884220 16004555 16461828 16678431 16846900 17175620 17565975 17994900 18402450 18531590 19205466 19855275 20120012 20339550 20577285 21469525 21660300 22082940 22237908 22863650 23421300 23826330 25150015 25270350 25763430 26473700 26992350 27436380 27603675 27797385 28808199 30180018 30324420 30916116 32009110 33356862 34295475 35131950 35210021 36804900 37063180 37905525 38410932 38645145 39710550 40679100 41154570 42939050 45270027 45727300 46328975 47652660 48013665 50300030 50540700 51526860 53984700 55207350 55594770 57616398 59565825 60360036 64018220 64408575 66713724 68590950 70263900 70420042 75450045 75811050 77290290 79421100 80022775 82309140 83392155 85878100 90540054 92657950 96027330 100600060 102886425 105630063 110414700 111189540 115232796 119131650 125750075 128817150 137181900 138986925 140840084 144040995 150900090 151622100 154580580 160045550 166784310 176050105 181080108 185315900 192054660 193225725 205772850 211260126 226350135 238263300 240068325 251500150 257634300 277973850 288081990 301800180 316890189 320091100 333568620 352100210 377250225 386451450 411545700 416960775 422520252 452700270 480136650 503000300 528150315 555947700 576163980 633780378 704200420 720204975 754500450 772902900 833921550 880250525 905400540 960273300 1056300630 1131750675 1267560756 1440409950 1509000900 1584450945 1667843100 1760501050 2112601260 2263501350 2640751575 2880819900 3168901890 3521002100 4527002700 5281503150 6337803780 7922254725 10563006300 15844509450 31689018900
• Sum of all divisors σ(n): 133761438720
• Sum of proper divisors (its aliquot sum) s(n): 102072419820
• 31689018900 is an abundant number, because the sum of its proper divisors (102072419820) is greater than itself. Its abundance is 70383400920

Bases of 31689018900

• Binary: 11101100000110100000000111000010100₂
• Hexadecimal: 0x760D00E14
• Base-36: EK2TNH0

Squares and roots of 31689018900

• 31689018900 squared (31689018900²) is 1004193918844557210000
• 31689018900 cubed (31689018900³) is 31821920073530239589821269000000
• The square root of 31689018900 is 178014.0974754527
• The cube root of 31689018900 is 3164.4841967699

Scales and comparisons

• 31,689,018,900 seconds is equal to 1,007 years, 31 weeks, 6 days, 1 hour, 15 minutes.
• To count from 1 to 31,689,018,900 would take you about two thousand and fifteen 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 31689018900 cubic inches would be around 263.7 feet tall.

Recreational maths with 31689018900

• 31689018900 backwards is 00981098613
• 31689018900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31689018900's digits is 45
• More coming soon!