155308745709

Names of 155308745709

• Cardinal: 155308745709 can be written as One hundred fifty-five billion, three hundred eight million, seven hundred forty-five thousand, seven hundred nine.

Scientific notation

• Scientific notation: 1.55308745709 × 10¹¹

Factors of 155308745709

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 57853

Divisors of 155308745709

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 19 27 31 39 57 93 117 169 171 247 279 351 403 507 513 589 741 837 1209 1521 1767 2223 3211 3627 4563 5239 5301 6669 7657 9633 10881 15717 15903 22971 28899 47151 57787 68913 86697 99541 141453 173361 206739 298623 520083 751231 895869 1097953 1560249 1791397 2253693 2687607 3293859 5374191 6761079 9766003 9881577 14273389 16122573 20283237 23288161 29298009 29644731 34036543 42820167 48367719 69864483 87894027 102109629 128460501 185554057 209593449 263682081 302746093 306328887 385381503 442475059 556662171 628780347 908238279 918986661 1327425177 1669986513 2724714837 3982275531 5009959539 5752175767 8174144511 11946826593 17256527301 51769581903 155308745709
• Sum of all divisors σ(n): 270725222400
• Sum of proper divisors (its aliquot sum) s(n): 115416476691
• 155308745709 is a deficient number, because the sum of its proper divisors (115416476691) is less than itself. Its deficiency is 39892269018

Bases of 155308745709

• Binary: 10010000101001000111110110001111101101₂
• Hexadecimal: 0x24291F63ED
• Base-36: 1ZCITF59

Squares and roots of 155308745709

• 155308745709 squared (155308745709²) is 24120806493702825912681
• 155308745709 cubed (155308745709³) is 3746172202026488099487269267435829
• The square root of 155308745709 is 394092.3060768885
• The cube root of 155308745709 is 5375.2496234125

Scales and comparisons

• 155,308,745,709 seconds is equal to 4,938 years, 17 weeks, 3 days, 22 hours, 15 minutes, 9 seconds.
• To count from 1 to 155,308,745,709 would take you about nine thousand, eight 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 155308745709 cubic inches would be around 447.9 feet tall.

Recreational maths with 155308745709

• 155308745709 backwards is 907547803551
• The number of decimal digits it has is: 12
• The sum of 155308745709's digits is 54
• More coming soon!