159721720136

Names of 159721720136

• Cardinal: 159721720136 can be written as One hundred fifty-nine billion, seven hundred twenty-one million, seven hundred twenty thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.59721720136 × 10¹¹

Factors of 159721720136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 267

Divisors of 159721720136

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 11 22 44 88 103 121 151 206 242 302 412 484 604 824 968 1133 1208 1661 2266 3322 4532 6644 9064 10609 12463 13288 15553 18271 21218 24926 31106 36542 42436 49852 62212 73084 84872 99704 116699 124424 146168 171083 233398 342166 466796 684332 933592 1092727 1283689 1368664 1601959 1881913 2185454 2567378 3203918 3763826 4370908 5134756 6407836 7527652 8741816 10269512 12019997 12815672 15055304 17621549 24039994 35243098 48079988 70486196 96159976 132219967 140972392 165001777 193837039 264439934 330003554 387674078 528879868 660007108 775348156 1057759736 1320014216 1550696312 1815019547 3630039094 7260078188 14520156376 19965215017 39930430034 79860860068 159721720136
• Sum of all divisors σ(n): 334607145600
• Sum of proper divisors (its aliquot sum) s(n): 174885425464
• 159721720136 is an abundant number, because the sum of its proper divisors (174885425464) is greater than itself. Its abundance is 15163705328

Bases of 159721720136

• Binary: 10010100110000001010000000100101001000₂
• Hexadecimal: 0x2530280948
• Base-36: 21DI6S08

Squares and roots of 159721720136

• 159721720136 squared (159721720136²) is 25511027883202707858496
• 159721720136 cubed (159721720136³) is 4074665255942595399932066001875456
• The square root of 159721720136 is 399651.9987889463
• The cube root of 159721720136 is 5425.6860410521

Scales and comparisons

• 159,721,720,136 seconds is equal to 5,078 years, 34 weeks, 1 day, 28 minutes, 56 seconds.
• To count from 1 to 159,721,720,136 would take you about ten thousand, one hundred fifty-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 159721720136 cubic inches would be around 452.1 feet tall.

Recreational maths with 159721720136

• 159721720136 backwards is 631027127951
• 159721720136 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 159721720136's digits is 44
• More coming soon!