18972715008

Names of 18972715008

• Cardinal: 18972715008 can be written as Eighteen billion, nine hundred seventy-two million, seven hundred fifteen thousand and eight.

Scientific notation

• Scientific notation: 1.8972715008 × 10¹⁰

Factors of 18972715008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 8238

Divisors of 18972715008

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 29 32 39 48 52 58 64 78 87 96 104 116 128 156 174 192 208 232 256 312 348 377 384 416 464 512 624 696 754 768 832 928 1024 1131 1248 1392 1508 1536 1664 1856 2048 2262 2496 2784 3016 3072 3328 3712 4524 4992 5568 6032 6144 6656 7424 8191 9048 9984 11136 12064 13312 14848 16382 18096 19968 22272 24128 24573 26624 29696 32764 36192 39936 44544 48256 49146 59392 65528 72384 79872 89088 96512 98292 106483 131056 144768 178176 193024 196584 212966 237539 262112 289536 319449 386048 393168 425932 475078 524224 579072 638898 712617 772096 786336 851864 950156 1048448 1158144 1277796 1425234 1572672 1703728 1900312 2096896 2316288 2555592 2850468 3088007 3145344 3407456 3800624 4193792 5111184 5700936 6176014 6290688 6814912 7601248 8387584 9264021 10222368 11401872 12352028 12581376 13629824 15202496 16775168 18528042 20444736 22803744 24704056 25162752 27259648 30404992 37056084 40889472 45607488 49408112 50325504 54519296 60809984 74112168 81778944 91214976 98816224 109038592 121619968 148224336 163557888 182429952 197632448 218077184 243239936 296448672 327115776 364859904 395264896 486479872 592897344 654231552 729719808 790529792 1185794688 1459439616 1581059584 2371589376 3162119168 4743178752 6324238336 9486357504 18972715008
• Sum of all divisors σ(n): 56357683200
• Sum of proper divisors (its aliquot sum) s(n): 37384968192
• 18972715008 is an abundant number, because the sum of its proper divisors (37384968192) is greater than itself. Its abundance is 18412253184

Bases of 18972715008

• Binary: 10001101010110111001010100000000000₂
• Hexadecimal: 0x46ADCA800
• Base-36: 8PRV4LC

Squares and roots of 18972715008

• 18972715008 squared (18972715008²) is 359963914774788440064
• 18972715008 cubed (18972715008³) is 6829492768186061576827161280512
• The square root of 18972715008 is 137741.4788943403
• The cube root of 18972715008 is 2667.1237154383

Scales and comparisons

• 18,972,715,008 seconds is equal to 603 years, 14 weeks, 1 day, 14 hours, 36 minutes, 48 seconds.
• To count from 1 to 18,972,715,008 would take you about one thousand, two hundred 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 18972715008 cubic inches would be around 222.3 feet tall.

Recreational maths with 18972715008

• 18972715008 backwards is 80051727981
• 18972715008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18972715008's digits is 48
• More coming soon!