155561798916

Names of 155561798916

• Cardinal: 155561798916 can be written as One hundred fifty-five billion, five hundred sixty-one million, seven hundred ninety-eight thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 1.55561798916 × 10¹¹

Factors of 155561798916

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1335

Divisors of 155561798916

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 107 108 162 214 243 321 324 428 486 642 963 972 1223 1284 1926 2446 2889 3669 3852 4892 5778 7338 8667 11007 11556 14676 17334 22014 26001 33021 34668 44028 52002 66042 99063 104004 130861 132084 198126 261722 297189 392583 396252 523444 594378 785166 1177749 1188756 1495729 1570332 2355498 2991458 3533247 4487187 4710996 5982916 7066494 8974374 10599741 13461561 14132988 17948748 21199482 26923122 31799223 40384683 42398964 53846244 63598446 80769366 121154049 127196892 160043003 161538732 242308098 320086006 363462147 480129009 484616196 640172012 726924294 960258018 1440387027 1453848588 1920516036 2880774054 4321161081 5761548108 8642322162 12963483243 17284644324 25926966486 38890449729 51853932972 77780899458 155561798916
• Sum of all divisors σ(n): 411937514352
• Sum of proper divisors (its aliquot sum) s(n): 256375715436
• 155561798916 is an abundant number, because the sum of its proper divisors (256375715436) is greater than itself. Its abundance is 100813916520

Bases of 155561798916

• Binary: 10010000111000001101001010110100000100₂
• Hexadecimal: 0x243834AD04
• Base-36: 1ZGPH890

Squares and roots of 155561798916

• 155561798916 squared (155561798916²) is 24199473281982018775056
• 155561798916 cubed (155561798916³) is 3764513596564801370612998108639296
• The square root of 155561798916 is 394413.2336978565
• The cube root of 155561798916 is 5378.1674373329

Scales and comparisons

• 155,561,798,916 seconds is equal to 4,946 years, 19 weeks, 6 days, 18 hours, 48 minutes, 36 seconds.
• To count from 1 to 155,561,798,916 would take you about nine thousand, eight hundred ninety-two 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 155561798916 cubic inches would be around 448.2 feet tall.

Recreational maths with 155561798916

• 155561798916 backwards is 619897165551
• The number of decimal digits it has is: 12
• The sum of 155561798916's digits is 63
• More coming soon!