31423211820

Names of 31423211820

• Cardinal: 31423211820 can be written as Thirty-one billion, four hundred twenty-three million, two hundred eleven thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.142321182 × 10¹⁰

Factors of 31423211820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1055

Divisors of 31423211820

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 13 14 15 18 20 21 22 26 27 28 30 33 35 36 39 42 44 45 52 54 55 60 61 63 65 66 70 77 78 84 90 91 99 105 108 110 117 122 126 130 132 135 140 143 154 156 165 180 182 183 189 195 198 210 220 231 234 244 252 260 270 273 286 297 305 308 315 330 351 364 366 378 385 390 396 420 427 429 455 462 468 495 540 546 549 572 585 594 610 630 660 671 693 702 715 732 756 770 780 793 819 854 858 910 915 924 945 953 990 1001 1092 1098 1155 1170 1188 1220 1260 1281 1287 1342 1365 1386 1404 1430 1485 1540 1586 1638 1647 1708 1716 1755 1820 1830 1890 1906 1980 2002 2013 2079 2135 2145 2196 2310 2340 2379 2457 2562 2574 2684 2730 2745 2772 2859 2860 2970 3003 3172 3276 3294 3355 3465 3510 3660 3780 3812 3843 3861 3965 4004 4026 4095 4158 4270 4290 4620 4697 4758 4765 4914 5005 5124 5148 5460 5490 5551 5718 5940 6006 6039 6405 6435 6588 6671 6710 6930 7020 7137 7686 7722 7930 8052 8190 8235 8316 8540 8577 8580 8723 9009 9394 9516 9530 9828 10010 10065 10395 10483 10980 11102 11436 11529 11895 12012 12078 12285 12389 12810 12870 13342 13420 13860 14091 14274 14295 15015 15372 15444 15860 16380 16470 16653 17154 17446 18018 18117 18788 19060 19215 19305 20013 20020 20130 20790 20966 21411 22204 23058 23485 23790 24156 24570 24778 25620 25731 25740 26169 26684 27027 27755 28182 28548 28590 30030 30195 31449 32940 33306 33355 34308 34892 35685 36036 36234 37167 38430 38610 40026 40260 41580 41932 42273 42822 42885 43615 45045 46116 46970 47580 49140 49556 49959 51462 52338 52415 54054 55510 56364 57180 57645 58133 60039 60060 60390 61061 61945 62898 66612 66710 70455 71370 72468 73381 74334 76860 77220 78507 80052 83265 84546 85644 85770 86723 87230 90090 90585 93940 94347 99918 100065 102924 104676 104830 107055 108108 111020 111501 115290 116266 120078 120780 122122 123890 125796 126819 128655 130845 133420 135135 136279 140910 142740 146762 148668 149877 157014 157245 166530 169092 171540 173446 174399 174460 180117 180180 181170 183183 185835 188694 199836 200130 209660 211365 214110 220143 223002 230580 232532 235521 240156 244244 247780 249795 253638 257310 260169 261690 270270 272558 281820 283041 290665 293524 299754 300195 305305 314028 314490 333060 334503 346892 348798 360234 362340 366366 366905 371670 377388 392535 400260 406931 408837 422730 428220 433615 440286 446004 471042 471735 499590 507276 514620 520338 523197 523380 540540 545116 549549 557505 566082 581330 599508 600390 610610 628980 634095 639463 660429 669006 681395 697596 720468 732732 733810 743340 749385 755729 780507 785070 813862 817674 845460 867230 871995 880572 900585 915915 942084 943470 953953 999180 1040676 1046394 1099098 1100715 1115010 1132164 1162660 1177605 1200780 1220793 1221220 1226511 1268190 1278926 1300845 1320858 1338012 1362790 1415205 1467620 1498770 1511458 1561014 1569591 1570140 1627724 1635348 1648647 1672515 1734460 1743990 1801170 1831830 1886940 1907906 1918389 1981287 2034655 2044185 2092788 2198196 2201430 2230020 2267187 2341521 2355210 2441586 2453022 2536380 2557852 2601690 2615985 2641716 2725580 2747745 2830410 2861859 2997540 3022916 3122028 3139182 3197315 3297294 3302145 3345030 3487980 3602340 3662379 3663660 3679533 3778645 3815812 3836778 3902535 3962574 4069310 4088370 4402860 4476241 4534374 4683042 4710420 4769765 4883172 4906044 5203380 5231970 5290103 5495490 5660820 5723718 5755167 6103965 6132555 6278364 6394630 6594588 6604290 6690060 6801561 7324758 7359066 7557290 7673556 7805070 7847955 7925148 8138620 8176740 8243235 8313019 8585577 8952482 9068748 9366084 9539530 9591945 9906435 10463940 10580206 10987137 10990980 11335935 11447436 11510334 11707605 12207930 12265110 12789260 13208580 13428723 13603122 14309295 14649516 14718132 15114580 15610140 15695910 15870309 16486470 16626038 17171154 17265501 17904964 18311895 18397665 19079060 19183890 19812870 20404683 21160412 21974274 22381205 22671870 23020668 23415210 24415860 24530220 24939057 25756731 26450515 26857446 27206244 28618590 28775835 31391820 31740618 32972940 33252076 34007805 34342308 34531002 36623790 36795330 38367780 39625740 40286169 40809366 41565095 42927885 43948548 44762410 45343740 46830420 47610927 49878114 51513462 52901030 53714892 54935685 57237180 57551670 58191133 63481236 67143615 68015610 69062004 73247580 73590660 74817171 79351545 80572338 81618732 83130190 85855770 86327505 89524820 95221854 99756228 102023415 103026924 105802060 109871370 115103340 116382266 120858507 124695285 128783655 134287230 136031220 142832781 149634342 158703090 161144676 166260380 171711540 172655010 174573399 190443708 201430845 204046830 219742740 224451513 232764532 238054635 241717014 249390570 257567310 268574460 285665562 290955665 299268684 317406180 345310020 349146798 374085855 402861690 408093660 448903026 476109270 483434028 498781140 515134620 523720197 571331124 581911330 604292535 698293596 714163905 748171710 805723380 872866995 897806052 952218540 1047440394 1122257565 1163822660 1208585070 1428327810 1496343420 1571160591 1745733990 2094880788 2244515130 2417170140 2618600985 2856655620 3142321182 3491467980 4489030260 5237201970 6284642364 7855802955 10474403940 15711605910 31423211820
• Sum of all divisors σ(n): 133551452160
• Sum of proper divisors (its aliquot sum) s(n): 102128240340
• 31423211820 is an abundant number, because the sum of its proper divisors (102128240340) is greater than itself. Its abundance is 70705028520

Bases of 31423211820

• Binary: 11101010000111110000010100100101100₂
• Hexadecimal: 0x750F8292C
• Base-36: EFOKHF0

Squares and roots of 31423211820

• 31423211820 squared (31423211820²) is 987418241084587712400
• 31423211820 cubed (31423211820³) is 31027852544532826224114440568000
• The square root of 31423211820 is 177265.9353062509
• The cube root of 31423211820 is 3155.6114580447

Scales and comparisons

• 31,423,211,820 seconds is equal to 999 years, 8 weeks, 2 days, 13 hours, 57 minutes.
• To count from 1 to 31,423,211,820 would take you about one thousand, nine hundred ninety-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 31423211820 cubic inches would be around 263 feet tall.

Recreational maths with 31423211820

• 31423211820 backwards is 02811232413
• 31423211820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31423211820's digits is 27
• More coming soon!