129291301040

Names of 129291301040

• Cardinal: 129291301040 can be written as One hundred twenty-nine billion, two hundred ninety-one million, three hundred one thousand and forty.

Scientific notation

• Scientific notation: 1.2929130104 × 10¹¹

Factors of 129291301040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3013

Divisors of 129291301040

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 71 80 88 110 142 176 220 284 355 440 568 710 781 880 1136 1201 1420 1562 1723 2402 2840 3124 3446 3905 4804 5680 6005 6248 6892 7810 8615 9608 12010 12496 13211 13784 15620 17230 18953 19216 24020 26422 27568 31240 34460 37906 48040 52844 62480 66055 68920 75812 85271 94765 96080 105688 122333 132110 137840 151624 170542 189530 211376 244666 264220 303248 341084 379060 426355 489332 528440 611665 682168 758120 852710 937981 978664 1056880 1223330 1345663 1364336 1516240 1705420 1875962 1957328 2069323 2446660 2691326 3410840 3751924 4138646 4689905 4893320 5382652 6728315 6821680 7503848 8277292 9379810 9786640 10346615 10765304 13456630 15007696 16554584 18759620 20693230 21530608 22762553 26913260 33109168 37519240 41386460 45525106 53826520 75038480 82772920 91050212 107653040 113812765 146921933 165545840 182100424 227625530 293843866 364200848 455251060 587687732 734609665 910502120 1175375464 1469219330 1616141263 1821004240 2350750928 2938438660 3232282526 5876877320 6464565052 8080706315 11753754640 12929130104 16161412630 25858260208 32322825260 64645650520 129291301040
• Sum of all divisors σ(n): 333018542592
• Sum of proper divisors (its aliquot sum) s(n): 203727241552
• 129291301040 is an abundant number, because the sum of its proper divisors (203727241552) is greater than itself. Its abundance is 74435940512

Bases of 129291301040

• Binary: 1111000011010010111001011000010110000₂
• Hexadecimal: 0x1E1A5CB0B0
• Base-36: 1NE8PACW

Squares and roots of 129291301040

• 129291301040 squared (129291301040²) is 16716240524615905081600
• 129291301040 cubed (129291301040³) is 2161264485925162514277211364864000
• The square root of 129291301040 is 359570.9958269715
• The cube root of 129291301040 is 5056.5747914045

Scales and comparisons

• 129,291,301,040 seconds is equal to 4,111 years, 3 weeks, 2 days, 2 hours, 17 minutes, 20 seconds.
• To count from 1 to 129,291,301,040 would take you about eight thousand, two hundred twenty-two 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 129291301040 cubic inches would be around 421.4 feet tall.

Recreational maths with 129291301040

• 129291301040 backwards is 040103192921
• The number of decimal digits it has is: 12
• The sum of 129291301040's digits is 32
• More coming soon!