165520504994

Names of 165520504994

• Cardinal: 165520504994 can be written as One hundred sixty-five billion, five hundred twenty million, five hundred four thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 1.65520504994 × 10¹¹

Factors of 165520504994

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6673

Divisors of 165520504994

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 13 19 26 37 38 73 74 146 247 361 481 494 703 722 949 962 1387 1406 1898 2701 2774 4693 5402 6529 9139 9386 13058 13357 18031 18278 26353 26714 35113 36062 51319 52706 70226 84877 102638 124051 169754 173641 241573 248102 342589 347282 476617 483146 667147 685178 953234 975061 1334294 1612663 1950122 2356969 3140449 3225326 4589887 4713938 6196021 6280898 9055723 9179774 12392042 12675793 17634829 18111446 25351586 30640597 35269658 59668531 61281194 87207853 117724399 119337062 172058737 174415706 229252777 235448798 335061751 344117474 458505554 670123502 1133702089 2236763581 2267404178 4355802763 4473527162 6366173269 8711605526 12732346538 82760252497 165520504994
• Sum of all divisors σ(n): 293834484720
• Sum of proper divisors (its aliquot sum) s(n): 128313979726
• 165520504994 is a deficient number, because the sum of its proper divisors (128313979726) is less than itself. Its deficiency is 37206525268

Bases of 165520504994

• Binary: 10011010001001110010100111100010100010₂
• Hexadecimal: 0x2689CA78A2
• Base-36: 241EMV1E

Squares and roots of 165520504994

• 165520504994 squared (165520504994²) is 27397037573468778940036
• 165520504994 cubed (165520504994³) is 4534771494500144666447310764539784
• The square root of 165520504994 is 406842.1131028595
• The cube root of 165520504994 is 5490.5679109875

Scales and comparisons

• 165,520,504,994 seconds is equal to 5,263 years, 2 weeks, 14 hours, 3 minutes, 14 seconds.
• To count from 1 to 165,520,504,994 would take you about ten thousand, five hundred twenty-six 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 165520504994 cubic inches would be around 457.5 feet tall.

Recreational maths with 165520504994

• 165520504994 backwards is 499405025561
• The number of decimal digits it has is: 12
• The sum of 165520504994's digits is 50
• More coming soon!