129338550

Names of 129338550

• Cardinal: 129338550 can be written as One hundred twenty-nine million, three hundred thirty-eight thousand, five hundred fifty.

Scientific notation

• Scientific notation: 1.2933855 × 10⁸

Factors of 129338550

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 120

Divisors of 129338550

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 17 18 22 25 29 30 33 34 45 50 51 53 55 58 66 75 85 87 90 99 102 106 110 145 150 153 159 165 170 174 187 198 225 255 261 265 275 290 306 318 319 330 374 425 435 450 477 493 495 510 522 530 550 561 583 638 725 765 795 825 850 870 901 935 954 957 986 990 1122 1166 1275 1305 1325 1450 1479 1530 1537 1590 1595 1650 1683 1749 1802 1870 1914 2175 2385 2465 2475 2550 2610 2650 2703 2805 2871 2915 2958 3074 3190 3366 3498 3825 3975 4350 4437 4505 4611 4675 4770 4785 4930 4950 5247 5406 5423 5610 5742 5830 6525 7395 7650 7685 7950 7975 8109 8415 8745 8874 9010 9222 9350 9570 9911 10494 10846 11925 12325 13050 13515 13833 14025 14355 14575 14790 15370 15950 16218 16269 16830 16907 17490 19822 22185 22525 23055 23850 23925 24650 26129 26235 27030 27115 27666 28050 28710 29150 29733 32538 33814 36975 38425 40545 42075 43725 44370 45050 46110 47850 48807 49555 50721 52258 52470 54230 59466 67575 69165 71775 73950 76850 78387 81090 81345 84150 84535 87450 89199 97614 99110 101442 110925 115275 130645 131175 135150 135575 138330 143550 148665 152163 156774 162690 169070 178398 202725 221850 230550 235161 244035 247775 253605 261290 262350 271150 287419 297330 304326 345825 391935 405450 406725 422675 445995 470322 488070 495550 507210 574838 653225 691650 743325 760815 783870 813450 845350 862257 891990 1175805 1220175 1268025 1306450 1437095 1486650 1521630 1724514 1959675 2229975 2351610 2440350 2536050 2586771 2874190 3804075 3919350 4311285 4459950 5173542 5879025 7185475 7608150 8622570 11758050 12933855 14370950 21556425 25867710 43112850 64669275 129338550
• Sum of all divisors σ(n): 423053280
• Sum of proper divisors (its aliquot sum) s(n): 293714730
• 129338550 is an abundant number, because the sum of its proper divisors (293714730) is greater than itself. Its abundance is 164376180

Bases of 129338550

• Binary: 111101101011000110010110110₂
• Hexadecimal: 0x7B58CB6
• Base-36: 25069I

Squares and roots of 129338550

• 129338550 squared (129338550²) is 16728460516102500
• 129338550 cubed (129338550³) is 2163634826884949001375000
• The square root of 129338550 is 11372.7107586539
• The cube root of 129338550 is 505.7190684353

Scales and comparisons

• 129,338,550 seconds is equal to 4 years, 5 weeks, 5 days, 23 hours, 22 minutes, 30 seconds.
• To count from 1 to 129,338,550 would take you about 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 129338550 cubic inches would be around 42.1 feet tall.

Recreational maths with 129338550

• 129338550 backwards is 055833921
• The number of decimal digits it has is: 9
• The sum of 129338550's digits is 36
• More coming soon!