155561808068008

Names of 155561808068008

• Cardinal: 155561808068008 can be written as One hundred fifty-five trillion, five hundred sixty-one billion, eight hundred eight million, sixty-eight thousand and eight.

Scientific notation

• Scientific notation: 1.55561808068008 × 10¹⁴

Factors of 155561808068008

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 522

Divisors of 155561808068008

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 59 118 236 461 472 922 1844 3481 3688 6962 13924 27199 27848 54398 108796 205379 217592 410758 821516 1604741 1643032 3209482 6418964 12117361 12837928 24234722 48469444 94679719 96938888 189359438 378718876 714924299 757437752 1429848598 2859697196 5586103421 5719394392 11172206842 22344413684 42180533641 44688827368 84361067282 168722134564 329580101839 337444269128 659160203678 1318320407356 2636640814712 19445226008501 38890452017002 77780904034004 155561808068008
• Sum of all divisors σ(n): 297350944651530
• Sum of proper divisors (its aliquot sum) s(n): 141789136583522
• 155561808068008 is a deficient number, because the sum of its proper divisors (141789136583522) is less than itself. Its deficiency is 13772671484486

Bases of 155561808068008

• Binary: 100011010111101110001110010011110111110110101000₂
• Hexadecimal: 0x8D7B8E4F7DA8
• Base-36: 1J543W1BQG

Squares and roots of 155561808068008

• 155561808068008 squared (155561808068008²) is 24199476129387758881553088064
• 155561808068008 cubed (155561808068008³) is 3764514260986159677289858933235722125056512
• The square root of 155561808068008 is 12472441.9448642053
• The cube root of 155561808068008 is 53781.6754280237

Scales and comparisons

• 155,561,808,068,008 seconds is equal to 4,946,384 years, 16 weeks, 1 day, 16 hours, 13 minutes, 28 seconds.
• To count from 1 to 155,561,808,068,008 would take you about twelve million, three hundred sixty-five thousand, nine hundred sixty 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 155561808068008 cubic inches would be around 4481.8 feet tall.

Recreational maths with 155561808068008

• 155561808068008 backwards is 800860808165551
• The number of decimal digits it has is: 15
• The sum of 155561808068008's digits is 61
• More coming soon!