18809400474

Names of 18809400474

• Cardinal: 18809400474 can be written as Eighteen billion, eight hundred nine million, four hundred thousand, four hundred seventy-four.

Scientific notation

• Scientific notation: 1.8809400474 × 10¹⁰

Factors of 18809400474

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 924

Divisors of 18809400474

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 17 18 19 27 31 34 38 43 51 54 57 62 86 93 102 114 129 153 171 186 258 279 306 323 342 387 459 513 527 558 589 646 731 774 809 817 837 918 969 1026 1054 1161 1178 1333 1462 1581 1618 1634 1674 1767 1938 2193 2322 2427 2451 2666 2907 3162 3534 3999 4386 4743 4854 4902 5301 5814 6579 7281 7353 7998 8721 9486 10013 10602 11997 13158 13753 13889 14229 14562 14706 15371 15903 17442 19737 20026 21843 22059 22661 23994 25079 25327 27506 27778 28458 30039 30742 31806 34787 35991 39474 41259 41667 43686 44118 45322 46113 50158 50654 60078 67983 69574 71982 75237 75981 82518 83334 90117 92226 104361 123777 125001 135966 138339 150474 151962 180234 203949 208722 225711 227943 247554 250002 261307 270351 276678 313083 371331 375003 407898 415017 426343 430559 451422 455886 476501 522614 540702 591379 611847 626166 660953 677133 683829 742662 750006 783921 830034 852686 861118 939249 953002 1078397 1182758 1223694 1279029 1291677 1321906 1354266 1367658 1429503 1567842 1774137 1878498 1982859 2156794 2351763 2558058 2583354 2859006 3235191 3548274 3837087 3875031 3965718 4288509 4703526 5322411 5948577 6470382 7055289 7674174 7750062 8100517 8577018 9705573 10644822 11236201 11511261 11625093 11897154 12865527 14110578 15967233 16201034 17845731 18332749 19411146 20489543 22472402 23022522 23250186 24301551 25731054 29116719 31934466 33708603 35691462 36665498 40979086 48603102 54998247 58233438 61468629 67417206 72904653 101125809 109996494 122937258 145809306 164994741 184405887 202251618 218713959 303377427 329989482 348322231 368811774 437427918 494984223 553217661 606754854 696644462 989968446 1044966693 1106435322 2089933386 3134900079 6269800158 9404700237 18809400474
• Sum of all divisors σ(n): 49268736000
• Sum of proper divisors (its aliquot sum) s(n): 30459335526
• 18809400474 is an abundant number, because the sum of its proper divisors (30459335526) is greater than itself. Its abundance is 11649935052

Bases of 18809400474

• Binary: 10001100001001000001010110010011010₂
• Hexadecimal: 0x46120AC9A
• Base-36: 8N2MQAI

Squares and roots of 18809400474

• 18809400474 squared (18809400474²) is 353793546191311424676
• 18809400474 cubed (18809400474³) is 6654644495428994005982369696424
• The square root of 18809400474 is 137147.3677253777
• The cube root of 18809400474 is 2659.4489065997

Scales and comparisons

• 18,809,400,474 seconds is equal to 598 years, 4 weeks, 1 day, 9 hours, 27 minutes, 54 seconds.
• To count from 1 to 18,809,400,474 would take you about one thousand, one hundred ninety-six 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 18809400474 cubic inches would be around 221.6 feet tall.

Recreational maths with 18809400474

• 18809400474 backwards is 47400490881
• The number of decimal digits it has is: 11
• The sum of 18809400474's digits is 45
• More coming soon!