155830919680

Names of 155830919680

• Cardinal: 155830919680 can be written as One hundred fifty-five billion, eight hundred thirty million, nine hundred nineteen thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.5583091968 × 10¹¹

Factors of 155830919680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 733481

Divisors of 155830919680

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 83 128 160 166 256 320 332 415 512 640 664 830 1280 1328 1660 2560 2656 3320 5312 6640 10624 13280 21248 26560 42496 53120 106240 212480 733391 1466782 2933564 3666955 5867128 7333910 11734256 14667820 23468512 29335640 46937024 58671280 60871453 93874048 117342560 121742906 187748096 234685120 243485812 304357265 375496192 469370240 486971624 608714530 938740480 973943248 1217429060 1877480960 1947886496 2434858120 3895772992 4869716240 7791545984 9739432480 15583091968 19478864960 31166183936 38957729920 77915459840 155830919680
• Sum of all divisors σ(n): 378131048064
• Sum of proper divisors (its aliquot sum) s(n): 222300128384
• 155830919680 is an abundant number, because the sum of its proper divisors (222300128384) is greater than itself. Its abundance is 66469208704

Bases of 155830919680

• Binary: 10010001001000001111110010001000000000₂
• Hexadecimal: 0x24483F2200
• Base-36: 1ZL5PF5S

Squares and roots of 155830919680

• 155830919680 squared (155830919680²) is 24283275528314611302400
• 155830919680 cubed (155830919680³) is 3784085158420103759634714591232000
• The square root of 155830919680 is 394754.2522633543
• The cube root of 155830919680 is 5381.2670472429

Scales and comparisons

• 155,830,919,680 seconds is equal to 4,954 years, 48 weeks, 6 days, 14 hours, 34 minutes, 40 seconds.
• To count from 1 to 155,830,919,680 would take you about nine thousand, nine hundred nine 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 155830919680 cubic inches would be around 448.4 feet tall.

Recreational maths with 155830919680

• 155830919680 backwards is 086919038551
• The number of decimal digits it has is: 12
• The sum of 155830919680's digits is 55
• More coming soon!