813013591390

Names of 813013591390

• Cardinal: 813013591390 can be written as Eight hundred thirteen billion, thirteen million, five hundred ninety-one thousand, three hundred ninety.

Scientific notation

• Scientific notation: 8.1301359139 × 10¹¹

Factors of 813013591390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2058

Divisors of 813013591390

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 5 7 10 11 13 14 22 26 35 41 49 55 65 70 77 82 91 98 110 121 130 143 154 169 182 205 242 245 286 287 338 385 410 451 455 490 533 539 574 605 637 715 770 845 847 902 910 1001 1066 1078 1183 1210 1274 1430 1435 1573 1690 1694 1859 1979 2002 2009 2255 2366 2665 2695 2870 3146 3157 3185 3718 3731 3958 4018 4235 4510 4961 5005 5330 5390 5863 5915 5929 6314 6370 6929 7007 7462 7865 8281 8470 9295 9895 9922 10010 10045 11011 11726 11830 11858 13013 13853 13858 14014 15730 15785 16562 18590 18655 19790 20090 20449 21769 22022 22099 24805 25727 26026 26117 27706 29315 29645 31570 34645 34727 35035 37310 40898 41041 41405 43538 44198 48503 49610 51454 52234 55055 58630 59290 64493 65065 69265 69290 69454 70070 76219 77077 81139 82082 82810 91091 96971 97006 102245 108845 110110 110495 128635 128986 130130 130585 138530 143143 152383 152438 154154 162278 173635 180089 182182 193942 204490 205205 217690 220990 239459 242515 243089 257270 261170 282997 286286 287287 304766 322465 334451 339521 347270 360178 381095 385385 405695 410410 451451 455455 478918 484855 485030 486178 533533 565994 567973 574574 644930 668902 679042 715715 761915 762190 770770 811390 838409 892529 900445 902902 910910 969710 1002001 1054807 1066681 1067066 1135946 1197295 1215445 1260623 1414985 1431430 1436435 1523830 1672255 1676213 1676818 1697605 1785058 1800890 1980979 2004002 2109614 2133362 2257255 2341157 2394590 2430890 2521246 2667665 2829970 2839865 2872870 3112967 3160157 3344510 3352426 3395210 3678961 3734731 3961958 3975811 4192045 4462645 4514510 4682314 5010005 5274035 5333405 5335330 5679730 5868863 6225934 6247703 6303115 6320314 7357922 7383649 7469462 7951622 8381065 8384090 8925290 9817819 9904895 10020010 10548070 10666810 11602877 11705785 11733491 11737726 12495406 12606230 13712491 13866853 14767298 15564835 15800785 16388099 16762130 18394805 18673655 19635638 19809790 19879055 21790769 23205754 23411570 23466982 25752727 27424982 27733706 29344315 31129670 31238515 31601570 32776198 36789610 36918245 37347310 39758110 40468571 41082041 43581538 43733921 49089095 51505454 51685543 58014385 58667455 58688630 62477030 68562455 68724733 69334265 73836490 80937142 81220139 81940495 82164082 87467842 95987437 98178190 103371086 108953845 116028770 117334910 127631647 128763635 137124910 137449466 138668530 150837401 152535383 162440278 163880990 180269089 191974874 202342855 205410205 217907690 218669605 255263294 257527270 258427715 283279997 301674802 305070766 343623665 360538178 404685710 406100695 410820410 437339210 479937185 481073131 516855430 566559994 568540973 638158235 671912059 687247330 754187005 762676915 812201390 893421529 901345445 959874370 962146262 1055861807 1137081946 1276316470 1343824118 1416399985 1508374010 1525353830 1659211411 1786843058 1802690890 1982959979 2111723614 2405365655 2832799970 2842704865 3318422822 3359560295 3965919958 4467107645 4810731310 5279309035 5685409730 6253950703 6719120590 7391032649 8296057055 8934215290 9914799895 10558618070 11614479877 12507901406 14782065298 16592114110 19829599790 23228959754 31269753515 36955163245 58072399385 62539507030 73910326490 81301359139 116144798770 162602718278 406506795695 813013591390
• Sum of all divisors σ(n): 2076656052240
• Sum of proper divisors (its aliquot sum) s(n): 1263642460850
• 813013591390 is an abundant number, because the sum of its proper divisors (1263642460850) is greater than itself. Its abundance is 450628869460

Bases of 813013591390

• Binary: 1011110101001011011000101110010101011110₂
• Hexadecimal: 0xBD4B62E55E
• Base-36: ADHRATZY

Squares and roots of 813013591390

• 813013591390 squared (813013591390²) is 660991099784865882132100
• 813013591390 cubed (813013591390³) is 537394747912919667201699051402619000
• The square root of 813013591390 is 901672.6631045215
• The cube root of 813013591390 is 9333.2436169847

Scales and comparisons

• 813,013,591,390 seconds is equal to 25,851 years, 16 weeks, 3 days, 12 hours, 43 minutes, 10 seconds.
• To count from 1 to 813,013,591,390 would take you about fifty-one thousand, seven hundred two 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 813013591390 cubic inches would be around 777.8 feet tall.

Recreational maths with 813013591390

• 813013591390 backwards is 093195310318
• The number of decimal digits it has is: 12
• The sum of 813013591390's digits is 43
• More coming soon!