813810041640

Names of 813810041640

• Cardinal: 813810041640 can be written as Eight hundred thirteen billion, eight hundred ten million, forty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.1381004164 × 10¹¹

Factors of 813810041640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2070

Divisors of 813810041640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 34 36 40 45 51 60 68 72 85 90 102 120 136 149 153 170 180 204 255 298 306 340 360 408 447 510 596 612 680 745 765 881 894 1013 1020 1192 1224 1341 1490 1530 1762 1788 2026 2040 2235 2533 2643 2682 2980 3039 3060 3524 3576 4052 4405 4470 5065 5066 5286 5364 5960 6078 6120 6705 7048 7599 7929 8104 8810 8940 9117 10130 10132 10572 10728 12156 12665 13215 13410 14977 15195 15198 15858 17221 17620 17880 18234 20260 20264 21144 22797 24312 25330 26430 26820 29954 30390 30396 31716 34442 35240 36468 37995 39645 40520 44931 45585 45594 50660 51663 52860 53640 59908 60780 60792 63432 68884 72936 74885 75990 79290 86105 89862 91170 91188 101320 103326 105720 113985 119816 121560 131269 134793 137768 149770 150937 151980 154989 158580 172210 179724 182340 182376 206652 224655 227970 258315 262538 269586 299540 301874 303960 309978 317160 344420 359448 364680 393807 413304 449310 452811 455940 516630 525076 539172 599080 603748 619956 656345 673965 688840 754685 774945 787614 892453 898620 905622 911880 1033260 1050152 1078344 1181421 1207496 1239912 1312690 1347930 1358433 1509370 1549890 1575228 1784906 1797240 1811244 1969035 2066520 2231573 2264055 2362842 2565929 2625380 2677359 2695860 2716866 3018740 3099780 3150456 3569812 3622488 3938070 4462265 4463146 4528110 4725684 5131858 5250760 5354718 5391720 5433732 5907105 6037480 6199560 6694719 6792165 7139624 7697787 7876140 8032077 8924530 8926292 9056220 9451368 10263716 10709436 10867464 11157865 11814210 12829645 13386795 13389438 13584330 15171701 15395574 15752280 16064154 17849060 17852584 18112440 20084157 20527432 21418872 22315730 23093361 23628420 25659290 26773590 26778876 27168660 30343402 30791148 32128308 33473595 35698120 38488935 40160385 40168314 44631460 45515103 46186722 47256840 51318580 53547180 53557752 54337320 60686804 61582296 64256616 66947190 75858505 76977870 80320770 80336628 89262920 91030206 92373444 100420785 102637160 107094360 115466805 121373608 132975497 133894380 136545309 151717010 153955740 160641540 160673256 182060412 184746888 200841570 227575515 230933610 265950994 267788760 273090618 303434020 307911480 321283080 364120824 398926491 401683140 455151030 461867220 531901988 546181236 606868040 664877485 682726545 797852982 803366280 910302060 923734440 1063803976 1092362472 1196779473 1329754970 1365453090 1595705964 1820604120 1994632455 2260583449 2393558946 2659509940 2730906180 3191411928 3989264910 4521166898 4787117892 5319019880 5461812360 5983897365 6781750347 7978529820 9042333796 9574235784 11302917245 11967794730 13563500694 15957059640 18084667592 20345251041 22605834490 23935589460 27127001388 33908751735 40690502082 45211668980 47871178920 54254002776 67817503470 81381004164 90423337960 101726255205 135635006940 162762008328 203452510410 271270013880 406905020820 813810041640
• Sum of all divisors σ(n): 2825245332000
• Sum of proper divisors (its aliquot sum) s(n): 2011435290360
• 813810041640 is an abundant number, because the sum of its proper divisors (2011435290360) is greater than itself. Its abundance is 1197625248720

Bases of 813810041640

• Binary: 1011110101111010110110111100001100101000₂
• Hexadecimal: 0xBD7ADBC328
• Base-36: ADUXHIY0

Squares and roots of 813810041640

• 813810041640 squared (813810041640²) is 662286783874098533889600
• 813810041640 cubed (813810041640³) is 538975635162201808382158327162944000
• The square root of 813810041640 is 902114.2065392829
• The cube root of 813810041640 is 9336.2903221769

Scales and comparisons

• 813,810,041,640 seconds is equal to 25,876 years, 33 weeks, 2 days, 16 hours, 54 minutes.
• To count from 1 to 813,810,041,640 would take you about fifty-one thousand, seven hundred fifty-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 813810041640 cubic inches would be around 778 feet tall.

Recreational maths with 813810041640

• 813810041640 backwards is 046140018318
• 813810041640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 813810041640's digits is 36
• More coming soon!