18451311008

Names of 18451311008

• Cardinal: 18451311008 can be written as Eighteen billion, four hundred fifty-one million, three hundred eleven thousand and eight.

Scientific notation

• Scientific notation: 1.8451311008 × 10¹⁰

Factors of 18451311008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 310

Divisors of 18451311008

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 43 52 76 86 104 152 172 208 233 247 304 344 416 466 494 559 608 688 817 932 988 1118 1376 1634 1864 1976 2236 3029 3268 3728 3952 4427 4472 6058 6536 7456 7904 8854 8944 10019 10621 12116 13072 17708 17888 20038 21242 24232 26144 35416 40076 42484 48464 54289 57551 70832 80152 84968 96928 108578 115102 130247 141664 160304 169936 190361 217156 230204 260494 320608 339872 380722 434312 460408 520988 705757 761444 868624 920816 1031491 1041976 1411514 1522888 1737248 1841632 2062982 2083952 2334427 2474693 2823028 3045776 4125964 4167904 4668854 4949386 5646056 6091552 8251928 9337708 9898772 11292112 13409383 16503856 18675416 19797544 22584224 26818766 30347551 33007712 37350832 39595088 44354113 53637532 60695102 74701664 79190176 88708226 107275064 121390204 177416452 214550128 242780408 354832904 429100256 485560816 576603469 709665808 971121632 1153206938 1419331616 2306413876 4612827752 9225655504 18451311008
• Sum of all divisors σ(n): 42318571680
• Sum of proper divisors (its aliquot sum) s(n): 23867260672
• 18451311008 is an abundant number, because the sum of its proper divisors (23867260672) is greater than itself. Its abundance is 5415949664

Bases of 18451311008

• Binary: 10001001011110010001010100110100000₂
• Hexadecimal: 0x44BC8A9A0
• Base-36: 8H5FMOW

Squares and roots of 18451311008

• 18451311008 squared (18451311008²) is 340450877913941976064
• 18451311008 cubed (18451311008³) is 6281765031336781659622955712512
• The square root of 18451311008 is 135835.6028734735
• The cube root of 18451311008 is 2642.4639821069

Scales and comparisons

• 18,451,311,008 seconds is equal to 586 years, 36 weeks, 20 hours, 10 minutes, 8 seconds.
• To count from 1 to 18,451,311,008 would take you about one thousand, one hundred seventy-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 18451311008 cubic inches would be around 220.2 feet tall.

Recreational maths with 18451311008

• 18451311008 backwards is 80011315481
• 18451311008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18451311008's digits is 32
• More coming soon!