129639600321

Names of 129639600321

• Cardinal: 129639600321 can be written as One hundred twenty-nine billion, six hundred thirty-nine million, six hundred thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.29639600321 × 10¹¹

Factors of 129639600321

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1873

Divisors of 129639600321

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 11 19 21 31 33 49 57 77 79 93 133 147 209 217 231 237 341 399 539 553 589 627 651 869 931 1023 1463 1501 1519 1617 1659 1723 1767 2387 2449 2607 2793 3871 4123 4389 4503 4557 5169 6083 6479 7161 7347 10241 10507 11613 12061 12369 16511 16709 17143 18249 18953 19437 26939 28861 30723 31521 32737 36183 42581 45353 46531 49533 50127 51429 53413 56859 73549 80817 84427 86583 98211 115577 120001 127743 132671 136059 136117 139593 160239 188573 220647 229159 253281 317471 325717 346731 360003 360107 373891 398013 408351 511841 565719 587543 687477 809039 928697 952413 952819 977151 1014847 1080321 1121673 1320011 1497287 1535523 1604113 1762629 2280019 2427117 2520749 2586223 2617237 2786091 2858457 3044541 3582887 3960033 4112801 4219627 4491861 4812339 6669733 6840057 7103929 7562247 7758669 7851711 10481009 10748661 11163317 12338403 12658881 17645243 18103561 20009199 21311787 25080209 28448453 28789607 29537389 31443027 33489951 46415897 49727503 52935729 54310683 73367063 75240627 78143219 80172913 85345359 86368821 88612167 126724927 139247691 149182509 199139171 206761723 220101189 234429657 240518739 324911279 380174781 547002533 561210391 597417513 620285169 881902043 974733837 1393974197 1641007599 1683631173 2274378953 2645706129 3928472737 4181922591 6173314301 6823136859 11785418211 18519942903 43213200107 129639600321
• Sum of all divisors σ(n): 241503436800
• Sum of proper divisors (its aliquot sum) s(n): 111863836479
• 129639600321 is a deficient number, because the sum of its proper divisors (111863836479) is less than itself. Its deficiency is 17775763842

Bases of 129639600321

• Binary: 1111000101111000111110101000011000001₂
• Hexadecimal: 0x1E2F1F50C1
• Base-36: 1NK02JSX

Squares and roots of 129639600321

• 129639600321 squared (129639600321²) is 16806425971388623303041
• 129639600321 cubed (129639600321³) is 2178778345755295306372662103876161
• The square root of 129639600321 is 360054.9962450181
• The cube root of 129639600321 is 5061.1113745725

Scales and comparisons

• 129,639,600,321 seconds is equal to 4,122 years, 7 weeks, 1 day, 8 hours, 5 minutes, 21 seconds.
• To count from 1 to 129,639,600,321 would take you about eight thousand, two hundred forty-four 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 129639600321 cubic inches would be around 421.8 feet tall.

Recreational maths with 129639600321

• 129639600321 backwards is 123006936921
• The number of decimal digits it has is: 12
• The sum of 129639600321's digits is 42
• More coming soon!