18207233968

Names of 18207233968

• Cardinal: 18207233968 can be written as Eighteen billion, two hundred seven million, two hundred thirty-three thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8207233968 × 10¹⁰

Factors of 18207233968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2351

Divisors of 18207233968

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 11 14 16 19 22 28 31 38 44 56 62 76 77 88 112 121 124 133 152 154 176 209 217 242 248 266 304 308 341 418 434 484 496 532 589 616 682 836 847 868 968 1064 1178 1232 1364 1463 1672 1694 1736 1936 2128 2281 2299 2356 2387 2728 2926 3344 3388 3472 3751 4123 4562 4598 4712 4774 5456 5852 6479 6776 7502 8246 9124 9196 9424 9548 11704 12958 13552 15004 15967 16093 16492 18248 18392 19096 23408 25091 25916 26257 30008 31934 32186 32984 36496 36784 38192 43339 45353 50182 51832 52514 60016 63868 64372 65968 70711 71269 86678 90706 100364 103664 105028 127736 128744 141422 142538 173356 175637 181412 200728 210056 255472 257488 276001 282844 285076 303373 346712 351274 362824 401456 420112 476729 494977 498883 552002 565688 570152 606746 693424 702548 725648 777821 953458 989954 997766 1104004 1131376 1140304 1213492 1343509 1405096 1555642 1906916 1932007 1979908 1995532 2208008 2426984 2687018 2810192 3111284 3337103 3813832 3864014 3959816 3991064 4416016 4853968 5244019 5374036 5444747 6222568 6674206 7627664 7728028 7919632 7982128 8556031 9404563 10488038 10748072 10889494 12445136 13348412 14778599 15456056 17112062 18809126 20976076 21496144 21778988 26696824 29557198 30912112 34224124 36708133 37618252 41952152 43557976 53393648 59114396 59892217 68448248 73416266 75236504 83904304 87115952 103450193 118228792 119784434 136896496 146832532 150473008 162564589 206900386 236457584 239568868 293665064 325129178 413800772 479137736 587330128 650258356 827601544 958275472 1137952123 1300516712 1655203088 2275904246 2601033424 4551808492 9103616984 18207233968
• Sum of all divisors σ(n): 48172472320
• Sum of proper divisors (its aliquot sum) s(n): 29965238352
• 18207233968 is an abundant number, because the sum of its proper divisors (29965238352) is greater than itself. Its abundance is 11758004384

Bases of 18207233968

• Binary: 10000111101001111000101011110110000₂
• Hexadecimal: 0x43D3C57B0
• Base-36: 8D447N4

Squares and roots of 18207233968

• 18207233968 squared (18207233968²) is 331503368765493025024
• 18207233968 cubed (18207233968³) is 6035759396293514831484046815232
• The square root of 18207233968 is 134934.1838378993
• The cube root of 18207233968 is 2630.7605720979

Scales and comparisons

• 18,207,233,968 seconds is equal to 578 years, 48 weeks, 3 days, 20 hours, 59 minutes, 28 seconds.
• To count from 1 to 18,207,233,968 would take you about one thousand, one hundred fifty-seven 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 18207233968 cubic inches would be around 219.2 feet tall.

Recreational maths with 18207233968

• 18207233968 backwards is 86933270281
• The number of decimal digits it has is: 11
• The sum of 18207233968's digits is 49
• More coming soon!