18937970016

Names of 18937970016

• Cardinal: 18937970016 can be written as Eighteen billion, nine hundred thirty-seven million, nine hundred seventy thousand and sixteen.

Scientific notation

• Scientific notation: 1.8937970016 × 10¹⁰

Factors of 18937970016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 211922

Divisors of 18937970016

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 49 56 57 76 84 96 98 112 114 133 147 152 168 196 224 228 266 294 304 336 392 399 456 532 588 608 672 784 798 912 931 1064 1176 1568 1596 1824 1862 2128 2352 2793 3192 3724 4256 4704 5586 6384 7448 11172 12768 14896 22344 29792 44688 89376 211891 423782 635673 847564 1271346 1483237 1695128 2542692 2966474 3390256 4025929 4449711 5085384 5932948 6780512 8051858 8899422 10170768 10382659 11865896 12077787 16103716 17798844 20341536 20765318 23731792 24155574 28181503 31147977 32207432 35597688 41530636 47463584 48311148 56363006 62295954 64414864 71195376 83061272 84544509 96622296 112726012 124591908 128829728 142390752 166122544 169089018 193244592 197270521 225452024 249183816 332245088 338178036 386489184 394541042 450904048 498367632 591811563 676356072 789082084 901808096 996735264 1183623126 1352712144 1578164168 2367246252 2705424288 3156328336 4734492504 6312656672 9468985008 18937970016
• Sum of all divisors σ(n): 60872333760
• Sum of proper divisors (its aliquot sum) s(n): 41934363744
• 18937970016 is an abundant number, because the sum of its proper divisors (41934363744) is greater than itself. Its abundance is 22996393728

Bases of 18937970016

• Binary: 10001101000110010100111110101100000₂
• Hexadecimal: 0x468CA7D60
• Base-36: 8P76F6O

Squares and roots of 18937970016

• 18937970016 squared (18937970016²) is 358646708326915040256
• 18937970016 cubed (18937970016³) is 6792040608632214558147560964096
• The square root of 18937970016 is 137615.2971729523
• The cube root of 18937970016 is 2665.4946072069

Scales and comparisons

• 18,937,970,016 seconds is equal to 602 years, 8 weeks, 5 days, 11 hours, 13 minutes, 36 seconds.
• To count from 1 to 18,937,970,016 would take you about one thousand, two hundred four 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 18937970016 cubic inches would be around 222.1 feet tall.

Recreational maths with 18937970016

• 18937970016 backwards is 61007973981
• The number of decimal digits it has is: 11
• The sum of 18937970016's digits is 51
• More coming soon!