155980128

Names of 155980128

• Cardinal: 155980128 can be written as One hundred fifty-five million, nine hundred eighty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.55980128 × 10⁸

Factors of 155980128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 372

Divisors of 155980128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 79 96 131 157 158 237 262 314 316 393 471 474 524 628 632 786 942 948 1048 1256 1264 1572 1884 1896 2096 2512 2528 3144 3768 3792 4192 5024 6288 7536 7584 10349 12403 12576 15072 20567 20698 24806 31047 37209 41134 41396 49612 61701 62094 74418 82268 82792 99224 123402 124188 148836 164536 165584 198448 246804 248376 297672 329072 331168 396896 493608 496752 595344 658144 987216 993504 1190688 1624793 1974432 3249586 4874379 6499172 9748758 12998344 19497516 25996688 38995032 51993376 77990064 155980128
• Sum of all divisors σ(n): 420456960
• Sum of proper divisors (its aliquot sum) s(n): 264476832
• 155980128 is an abundant number, because the sum of its proper divisors (264476832) is greater than itself. Its abundance is 108496704

Bases of 155980128

• Binary: 1001010011000001000101100000₂
• Hexadecimal: 0x94C1160
• Base-36: 2KV71C

Squares and roots of 155980128

• 155980128 squared (155980128²) is 24329800330896384
• 155980128 cubed (155980128³) is 3794965369827660331057152
• The square root of 155980128 is 12489.2004547929
• The cube root of 155980128 is 538.2984022891

Scales and comparisons

• 155,980,128 seconds is equal to 4 years, 49 weeks, 6 days, 7 hours, 48 minutes, 48 seconds.
• To count from 1 to 155,980,128 would take you about seven 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 155980128 cubic inches would be around 44.9 feet tall.

Recreational maths with 155980128

• 155980128 backwards is 821089551
• The number of decimal digits it has is: 9
• The sum of 155980128's digits is 39
• More coming soon!