188407968397649

Names of 188407968397649

• Cardinal: 188407968397649 can be written as One hundred eighty-eight trillion, four hundred seven billion, nine hundred sixty-eight million, three hundred ninety-seven thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.88407968397649 × 10¹⁴

Factors of 188407968397649

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1427

Divisors of 188407968397649

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 11 13 77 91 143 467 929 1001 3269 5137 6071 6503 10219 12077 35959 42497 66781 71533 84539 132847 218089 433843 467467 863041 929929 1526623 2398979 2835157 3036901 4772273 5639959 6041287 9493451 11219533 16792853 19846099 31186727 33405911 39479713 62039549 66454157 78536731 123414863 202604681 218307089 403040147 434276843 863904041 1418232767 2228651491 2633860853 2821281029 4433441617 5239521911 15600560437 18437025971 28972469383 31034091319 36676653377 57634741021 188219748649 202807285681 403443187147 1317538240543 2070417235139 2446856732437 14492920645973 17127997127059 26915424056807 188407968397649
• Sum of all divisors σ(n): 253783366834368
• Sum of proper divisors (its aliquot sum) s(n): 65375398436719
• 188407968397649 is a deficient number, because the sum of its proper divisors (65375398436719) is less than itself. Its deficiency is 123032569960930

Bases of 188407968397649

• Binary: 101010110101101100100110000001110111100101010001₂
• Hexadecimal: 0xAB5B26077951
• Base-36: 1US9FBU1CH

Squares and roots of 188407968397649

• 188407968397649 squared (188407968397649²) is 35497562555729504292588727201
• 188407968397649 cubed (188407968397649³) is 6688023644193452914137201204090352350750449
• The square root of 188407968397649 is 13726178.2152807925
• The cube root of 188407968397649 is 57327.9513409025

Scales and comparisons

• 188,407,968,397,649 seconds is equal to 5,990,790 years, 31 weeks, 5 days, 9 hours, 7 minutes, 29 seconds.
• To count from 1 to 188,407,968,397,649 would take you about fourteen million, nine hundred seventy-six thousand, nine hundred seventy-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 188407968397649 cubic inches would be around 4777.3 feet tall.

Recreational maths with 188407968397649

• 188407968397649 backwards is 946793869704881
• The number of decimal digits it has is: 15
• The sum of 188407968397649's digits is 89
• More coming soon!