129131347968

Names of 129131347968

• Cardinal: 129131347968 can be written as One hundred twenty-nine billion, one hundred thirty-one million, three hundred forty-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.29131347968 × 10¹¹

Factors of 129131347968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 1129

Divisors of 129131347968

• Number of divisors d(n): 342
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 256 288 294 336 384 392 441 448 504 512 576 588 672 768 784 882 896 1008 1024 1117 1152 1176 1344 1536 1568 1764 1792 2016 2048 2234 2304 2352 2688 3072 3136 3351 3528 3584 4032 4096 4468 4608 4704 5376 6144 6272 6702 7056 7168 7819 8064 8192 8936 9216 9408 10053 10752 12288 12544 13404 14112 14336 15638 16128 16384 17872 18432 18816 20106 21504 23457 24576 25088 26808 28224 28672 31276 32256 32768 35744 36864 37632 40212 43008 46914 49152 50176 53616 54733 56448 57344 62552 64512 65536 70371 71488 73728 75264 80424 86016 93828 98304 100352 107232 109466 112896 114688 125104 129024 131072 140742 142976 147456 150528 160848 164199 172032 187656 196608 200704 214464 218932 225792 229376 250208 258048 262144 281484 285952 294912 301056 321696 328398 344064 375312 393216 401408 428928 437864 451584 458752 492597 500416 516096 562968 571904 589824 602112 643392 656796 688128 750624 786432 802816 857856 875728 903168 917504 985194 1000832 1032192 1125936 1143808 1179648 1204224 1286784 1313592 1376256 1501248 1605632 1715712 1751456 1806336 1835008 1970388 2001664 2064384 2251872 2287616 2359296 2408448 2573568 2627184 2752512 3002496 3211264 3431424 3502912 3612672 3940776 4003328 4128768 4503744 4575232 4816896 5147136 5254368 5505024 6004992 6422528 6862848 7005824 7225344 7881552 8006656 8257536 9007488 9150464 9633792 10294272 10508736 12009984 12845056 13725696 14011648 14450688 15763104 16013312 16515072 18014976 18300928 19267584 20588544 21017472 24019968 27451392 28023296 28901376 31526208 32026624 36029952 36601856 38535168 41177088 42034944 48039936 54902784 56046592 57802752 63052416 64053248 72059904 73203712 82354176 84069888 96079872 109805568 112093184 115605504 126104832 128106496 144119808 146407424 164708352 168139776 192159744 219611136 224186368 252209664 256212992 288239616 292814848 329416704 336279552 384319488 439222272 448372736 504419328 512425984 576479232 658833408 672559104 768638976 878444544 896745472 1008838656 1024851968 1152958464 1317666816 1345118208 1537277952 1793490944 2017677312 2049703936 2305916928 2635333632 2690236416 3074555904 3586981888 4035354624 4611833856 5380472832 6149111808 7173963776 8070709248 9223667712 10760945664 14347927552 16141418496 18447335424 21521891328 32282836992 43043782656 64565673984 129131347968
• Sum of all divisors σ(n): 434339273706
• Sum of proper divisors (its aliquot sum) s(n): 305207925738
• 129131347968 is an abundant number, because the sum of its proper divisors (305207925738) is greater than itself. Its abundance is 176076577770

Bases of 129131347968

• Binary: 1111000010000110101000000000000000000₂
• Hexadecimal: 0x1E10D40000
• Base-36: 1NBLGXS0

Squares and roots of 129131347968

• 129131347968 squared (129131347968²) is 16674905028032697729024
• 129131347968 cubed (129131347968³) is 2153252963508243084928361517023232
• The square root of 129131347968 is 359348.5048918389
• The cube root of 129131347968 is 5054.4886793019

Scales and comparisons

• 129,131,347,968 seconds is equal to 4,105 years, 50 weeks, 5 days, 18 hours, 52 minutes, 48 seconds.
• To count from 1 to 129,131,347,968 would take you about eight thousand, two hundred eleven 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 129131347968 cubic inches would be around 421.2 feet tall.

Recreational maths with 129131347968

• 129131347968 backwards is 869743131921
• The number of decimal digits it has is: 12
• The sum of 129131347968's digits is 54
• More coming soon!