813138855375

Names of 813138855375

• Cardinal: 813138855375 can be written as Eight hundred thirteen billion, one hundred thirty-eight million, eight hundred fifty-five thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 8.13138855375 × 10¹¹

Factors of 813138855375

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 311

Divisors of 813138855375

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 11 15 17 21 25 29 33 35 51 55 75 77 85 87 105 119 125 145 165 175 187 203 231 239 255 275 319 357 375 385 425 435 493 525 561 595 609 717 725 825 875 935 957 1015 1155 1195 1275 1309 1375 1479 1595 1673 1785 1925 2125 2175 2233 2465 2625 2629 2805 2975 3045 3451 3585 3625 3927 4063 4125 4675 4785 5019 5075 5423 5775 5975 6375 6545 6699 6931 7395 7887 7975 8365 8925 9625 10353 10875 11165 12189 12325 13145 14025 14875 15225 16269 17255 17925 18403 19635 20315 20793 23375 23925 25095 25375 27115 28441 28875 29875 32725 33495 34655 36975 37961 39435 39875 41825 44625 44693 48517 51765 55209 55825 57121 60945 61625 65725 70125 76125 76241 81345 85323 86275 89625 92015 98175 101575 103965 113883 117827 119625 125475 134079 135575 142205 145551 163625 167475 171363 173275 184875 189805 197175 209125 223465 228723 242585 258825 276045 279125 285605 304725 312851 328625 353481 381205 399847 406725 426615 431375 460075 490875 507875 519825 533687 569415 589135 627375 628331 670395 677875 711025 727755 824789 837375 856815 866375 938553 949025 971057 985875 1117325 1143615 1199541 1212925 1294125 1296097 1380225 1428025 1523625 1564255 1601061 1656509 1767405 1884993 1906025 1999235 2033625 2133075 2300375 2474367 2599125 2668435 2847075 2913171 2945675 3141655 3351975 3555125 3638775 3888291 4123945 4284075 4398317 4692765 4745125 4855285 4969527 5586625 5718075 5997705 6064625 6480485 6797399 6901125 7140125 7821275 8005305 8282545 8837025 9072679 9424965 9530125 9996175 10665375 10681627 11595563 12371835 13194951 13342175 14235375 14565855 14728375 15708275 16759875 18193875 18221599 19441455 20392197 20619725 21420375 21991585 23463825 24276425 24847635 27218037 28160653 28590375 29988525 32044881 32402425 33986995 34786689 39106375 40026525 41412725 44185125 45363395 47124825 49980875 53408135 54664797 57977815 61859175 65974755 66710875 72829275 74771389 78541375 84481959 91107995 97207275 101960985 103098625 109957925 117319125 121382125 124238175 127551193 136090185 140803265 149942625 160224405 162012125 169934975 173933445 197124571 200132625 207063625 224314167 226816975 235624125 267040675 273323985 289889075 309295875 309767183 329873775 364146375 373856945 382653579 422409795 455539975 486036375 509804925 549789625 591373713 621190875 637755965 680450925 704016325 801122025 849674875 869667225 929301549 985622855 1121570835 1134084875 1335203375 1366619925 1449445375 1548835915 1649368875 1869284725 1913267895 2112048975 2168370281 2277699875 2549024625 2956868565 3188779825 3402254625 3520081625 4005610125 4348336125 4646507745 4928114275 5607854175 6505110843 6833099625 7744179575 9346423625 9566339475 10560244875 10841851405 14784342825 15943899125 23232538725 24640571375 28039270875 32525554215 38720897875 47831697375 54209257025 73921714125 116162693625 162627771075 271046285125 813138855375
• Sum of all divisors σ(n): 1855522805760
• Sum of proper divisors (its aliquot sum) s(n): 1042383950385
• 813138855375 is an abundant number, because the sum of its proper divisors (1042383950385) is greater than itself. Its abundance is 229245095010

Bases of 813138855375

• Binary: 1011110101010010110110100100010111001111₂
• Hexadecimal: 0xBD52DA45CF
• Base-36: ADJTVOB3

Squares and roots of 813138855375

• 813138855375 squared (813138855375²) is 661194798120565166390625
• 813138855375 cubed (813138855375³) is 537643181323660560646969232630859375
• The square root of 813138855375 is 901742.1224357881
• The cube root of 813138855375 is 9333.7229280577

Scales and comparisons

• 813,138,855,375 seconds is equal to 25,855 years, 15 weeks, 4 days, 8 hours, 16 minutes, 15 seconds.
• To count from 1 to 813,138,855,375 would take you about fifty-one thousand, seven hundred ten 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 813138855375 cubic inches would be around 777.8 feet tall.

Recreational maths with 813138855375

• 813138855375 backwards is 573558831318
• The number of decimal digits it has is: 12
• The sum of 813138855375's digits is 57
• More coming soon!