1949155002

Names of 1949155002

• Cardinal: 1949155002 can be written as One billion, nine hundred forty-nine million, one hundred fifty-five thousand and two.

Scientific notation

• Scientific notation: 1.949155002 × 10⁹

Factors of 1949155002

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1763

Divisors of 1949155002

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 89 162 178 243 267 486 534 729 801 1458 1602 1669 2187 2403 3338 4374 4806 5007 6561 7209 10014 13122 14418 15021 21627 30042 43254 45063 64881 90126 129762 135189 148541 194643 270378 297082 389286 405567 445623 583929 811134 891246 1167858 1216701 1336869 2433402 2673738 3650103 4010607 7300206 8021214 10950309 12031821 21900618 24063642 36095463 72190926 108286389 216572778 324859167 649718334 974577501 1949155002
• Sum of all divisors σ(n): 4437306900
• Sum of proper divisors (its aliquot sum) s(n): 2488151898
• 1949155002 is an abundant number, because the sum of its proper divisors (2488151898) is greater than itself. Its abundance is 538996896

Bases of 1949155002

• Binary: 1110100001011011011111010111010₂
• Hexadecimal: 0x742DBEBA
• Base-36: W8H5MI

Squares and roots of 1949155002

• 1949155002 squared (1949155002²) is 3799205221821620004
• 1949155002 cubed (1949155002³) is 7405239861738130182539860008
• The square root of 1949155002 is 44149.2355766213
• The cube root of 1949155002 is 1249.1524926081

Scales and comparisons

• 1,949,155,002 seconds is equal to 61 years, 50 weeks, 5 days, 15 hours, 56 minutes, 42 seconds.
• To count from 1 to 1,949,155,002 would take you about one hundred twenty-three 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 1949155002 cubic inches would be around 104.1 feet tall.

Recreational maths with 1949155002

• 1949155002 backwards is 2005519491
• The number of decimal digits it has is: 10
• The sum of 1949155002's digits is 36
• More coming soon!