155307891008

Names of 155307891008

• Cardinal: 155307891008 can be written as One hundred fifty-five billion, three hundred seven million, eight hundred ninety-one thousand and eight.

Scientific notation

• Scientific notation: 1.55307891008 × 10¹¹

Factors of 155307891008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1168461

Divisors of 155307891008

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 67 124 134 248 268 496 536 992 1072 1984 2077 2144 4154 4288 8308 16616 33232 66464 132928 1168361 2336722 4673444 9346888 18693776 36219191 37387552 72438382 74775104 78280187 144876764 156560374 289753528 313120748 579507056 626241496 1159014112 1252482992 2318028224 2426685797 2504965984 4853371594 5009931968 9706743188 19413486376 38826972752 77653945504 155307891008
• Sum of all divisors σ(n): 322879175424
• Sum of proper divisors (its aliquot sum) s(n): 167571284416
• 155307891008 is an abundant number, because the sum of its proper divisors (167571284416) is greater than itself. Its abundance is 12263393408

Bases of 155307891008

• Binary: 10010000101001000100100101100101000000₂
• Hexadecimal: 0x2429125940
• Base-36: 1ZCIB3NK

Squares and roots of 155307891008

• 155307891008 squared (155307891008²) is 24120541009352807256064
• 155307891008 cubed (155307891008³) is 3746110354134560097943619259072512
• The square root of 155307891008 is 394091.2216835081
• The cube root of 155307891008 is 5375.2397629683

Scales and comparisons

• 155,307,891,008 seconds is equal to 4,938 years, 16 weeks, 1 day, 50 minutes, 8 seconds.
• To count from 1 to 155,307,891,008 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 155307891008 cubic inches would be around 447.9 feet tall.

Recreational maths with 155307891008

• 155307891008 backwards is 800198703551
• The number of decimal digits it has is: 12
• The sum of 155307891008's digits is 47
• More coming soon!