155139940016

Names of 155139940016

• Cardinal: 155139940016 can be written as One hundred fifty-five billion, one hundred thirty-nine million, nine hundred forty thousand and sixteen.

Scientific notation

• Scientific notation: 1.55139940016 × 10¹¹

Factors of 155139940016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6528

Divisors of 155139940016

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 29 41 58 82 116 164 232 328 464 656 1189 1723 2378 3446 4733 4756 6892 9466 9512 13784 18932 19024 27568 37864 49967 70643 75728 99934 137257 141286 194053 199868 274514 282572 388106 399736 549028 565144 776212 799472 1098056 1130288 1552424 2048647 2196112 3104848 4097294 5627537 8154959 8194588 11255074 16309918 16389176 22510148 32619836 32778352 45020296 65239672 90040592 130479344 236493811 334353319 472987622 668706638 945975244 1337413276 1891950488 2674826552 3783900976 5349653104 9696246251 19392492502 38784985004 77569970008 155139940016
• Sum of all divisors σ(n): 318784908960
• Sum of proper divisors (its aliquot sum) s(n): 163644968944
• 155139940016 is an abundant number, because the sum of its proper divisors (163644968944) is greater than itself. Its abundance is 8505028928

Bases of 155139940016

• Binary: 10010000011111000011111001111010110000₂
• Hexadecimal: 0x241F0F9EB0
• Base-36: 1Z9QBBU8

Squares and roots of 155139940016

• 155139940016 squared (155139940016²) is 24068400988168078080256
• 155139940016 cubed (155139940016³) is 3733970285585430759096920273924096
• The square root of 155139940016 is 393878.0776027019
• The cube root of 155139940016 is 5373.3014573589

Scales and comparisons

• 155,139,940,016 seconds is equal to 4,932 years, 50 weeks, 3 days, 3 hours, 46 minutes, 56 seconds.
• To count from 1 to 155,139,940,016 would take you about nine thousand, eight hundred sixty-five 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 155139940016 cubic inches would be around 447.8 feet tall.

Recreational maths with 155139940016

• 155139940016 backwards is 610049931551
• The number of decimal digits it has is: 12
• The sum of 155139940016's digits is 44
• More coming soon!