129968064

Names of 129968064

• Cardinal: 129968064 can be written as One hundred twenty-nine million, nine hundred sixty-eight thousand and sixty-four.

Scientific notation

• Scientific notation: 1.29968064 × 10⁸

Factors of 129968064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 203

Divisors of 129968064

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 61 64 72 81 96 108 122 137 144 162 183 192 216 243 244 274 288 324 366 411 432 486 488 548 549 576 648 732 822 864 972 976 1096 1098 1233 1296 1464 1644 1647 1728 1944 1952 2192 2196 2466 2592 2928 3288 3294 3699 3888 3904 4384 4392 4932 4941 5184 5856 6576 6588 7398 7776 8357 8768 8784 9864 9882 11097 11712 13152 13176 14796 14823 15552 16714 17568 19728 19764 22194 25071 26304 26352 29592 29646 33291 33428 35136 39456 39528 44388 50142 52704 59184 59292 66582 66856 75213 78912 79056 88776 100284 105408 118368 118584 133164 133712 150426 158112 177552 200568 225639 236736 237168 266328 267424 300852 316224 355104 401136 451278 474336 532656 534848 601704 676917 710208 802272 902556 948672 1065312 1203408 1353834 1604544 1805112 2030751 2130624 2406816 2707668 3610224 4061502 4813632 5415336 7220448 8123004 10830672 14440896 16246008 21661344 32492016 43322688 64984032 129968064
• Sum of all divisors σ(n): 395526768
• Sum of proper divisors (its aliquot sum) s(n): 265558704
• 129968064 is an abundant number, because the sum of its proper divisors (265558704) is greater than itself. Its abundance is 135590640

Bases of 129968064

• Binary: 111101111110010011111000000₂
• Hexadecimal: 0x7BF27C0
• Base-36: 25DO00

Squares and roots of 129968064

• 129968064 squared (129968064²) is 16891697659908096
• 129968064 cubed (129968064³) is 2195381242531585655046144
• The square root of 129968064 is 11400.3536787241
• The cube root of 129968064 is 506.5382161297

Scales and comparisons

• 129,968,064 seconds is equal to 4 years, 6 weeks, 6 days, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 129,968,064 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 129968064 cubic inches would be around 42.2 feet tall.

Recreational maths with 129968064

• 129968064 backwards is 460869921
• The number of decimal digits it has is: 9
• The sum of 129968064's digits is 45
• More coming soon!