149005878021

Names of 149005878021

• Cardinal: 149005878021 can be written as One hundred forty-nine billion, five million, eight hundred seventy-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 1.49005878021 × 10¹¹

Factors of 149005878021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1837775

Divisors of 149005878021

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 63 77 81 91 99 117 143 189 231 273 297 351 429 567 693 819 891 1001 1053 1287 2079 2457 3003 3861 6237 7371 9009 11583 27027 81081 1837741 5513223 12864187 16539669 20215151 23890633 38592561 49619007 60645453 71671899 115777683 141506057 148857021 167234431 181936359 215015697 262796963 347333049 424518171 501703293 545809077 645047091 788390889 1041999147 1273554513 1505109879 1637427231 1839578741 1935141273 2365172667 3820663539 4515329637 5518736223 7095518001 11461990617 13545988911 16556208669 21286554003 49668626007 149005878021
• Sum of all divisors σ(n): 298860955008
• Sum of proper divisors (its aliquot sum) s(n): 149855076987
• 149005878021 is an abundant number, because the sum of its proper divisors (149855076987) is greater than itself. Its abundance is 849198966

Bases of 149005878021

• Binary: 10001010110001011100010100001100000101₂
• Hexadecimal: 0x22B1714305
• Base-36: 1WGA93B9

Squares and roots of 149005878021

• 149005878021 squared (149005878021²) is 22202751684809130876441
• 149005878021 cubed (149005878021³) is 3308340509277221594041992468603261
• The square root of 149005878021 is 386012.7951519223
• The cube root of 149005878021 is 5301.5289053087

Scales and comparisons

• 149,005,878,021 seconds is equal to 4,737 years, 48 weeks, 1 day, 1 hour, 40 minutes, 21 seconds.
• To count from 1 to 149,005,878,021 would take you about nine thousand, four hundred seventy-five 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 149005878021 cubic inches would be around 441.8 feet tall.

Recreational maths with 149005878021

• 149005878021 backwards is 120878500941
• The number of decimal digits it has is: 12
• The sum of 149005878021's digits is 45
• More coming soon!