155706831137

Names of 155706831137

• Cardinal: 155706831137 can be written as One hundred fifty-five billion, seven hundred six million, eight hundred thirty-one thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 1.55706831137 × 10¹¹

Factors of 155706831137

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1410

Divisors of 155706831137

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 13 17 143 187 211 221 401 757 2321 2431 2743 3587 4411 5213 6817 8327 9841 12869 30173 39457 46631 57343 74987 84611 88621 108251 141559 159727 167297 303557 512941 930721 974831 1099943 1438387 1756997 1840267 2076451 2715359 3339127 3946241 5160469 12099373 15822257 18699031 22840961 29868949 35299667 43408651 56765159 64050527 67086097 205689341 388296337 704555797 737947067 832656851 1088858959 9159225361 11977448549 14155166467 155706831137
• Sum of all divisors σ(n): 195349771008
• Sum of proper divisors (its aliquot sum) s(n): 39642939871
• 155706831137 is a deficient number, because the sum of its proper divisors (39642939871) is less than itself. Its deficiency is 116063891266

Bases of 155706831137

• Binary: 10010001000000110110011011000100100001₂
• Hexadecimal: 0x2440D9B121
• Base-36: 1ZJ3TRTT

Squares and roots of 155706831137

• 155706831137 squared (155706831137²) is 24244617262726232712769
• 155706831137 cubed (155706831137³) is 3775052526108508681267288106688353
• The square root of 155706831137 is 394597.0490728485
• The cube root of 155706831137 is 5379.8382958935

Scales and comparisons

• 155,706,831,137 seconds is equal to 4,950 years, 51 weeks, 5 days, 9 hours, 32 minutes, 17 seconds.
• To count from 1 to 155,706,831,137 would take you about nine thousand, nine hundred one 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 155706831137 cubic inches would be around 448.3 feet tall.

Recreational maths with 155706831137

• 155706831137 backwards is 731138607551
• The number of decimal digits it has is: 12
• The sum of 155706831137's digits is 47
• More coming soon!