129137425118720

Names of 129137425118720

• Cardinal: 129137425118720 can be written as One hundred twenty-nine trillion, one hundred thirty-seven billion, four hundred twenty-five million, one hundred eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2913742511872 × 10¹⁴

Factors of 129137425118720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 235

Divisors of 129137425118720

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 181 188 235 256 320 362 376 470 512 640 724 752 905 940 1280 1448 1504 1810 1880 2560 2896 3008 3620 3760 5792 6016 7240 7520 8507 11584 12032 14480 15040 17014 23168 24064 28960 30080 32761 34028 42535 46336 57920 60160 65522 68056 85070 92672 115840 120320 131044 136112 163805 170140 231680 262088 272224 327610 340280 463360 524176 544448 655220 680560 1048352 1088896 1310440 1361120 1539767 2096704 2177792 2620880 2722240 3079534 4193408 4355584 5241760 5444480 5929741 6159068 7698835 8386816 10483520 10888960 11859482 12318136 15397670 16773632 20967040 21777920 23718964 24636272 29648705 30795340 41934080 47437928 49272544 59297410 61590680 83868160 94875856 98545088 118594820 123181360 189751712 197090176 237189640 246362720 278697827 379503424 394180352 474379280 492725440 557395654 759006848 788360704 948758560 985450880 1073283121 1114791308 1393489135 1518013696 1897517120 1970901760 2146566242 2229582616 2786978270 3036027392 3795034240 3941803520 4293132484 4459165232 5366415605 5573956540 7590068480 8586264968 8918330464 10732831210 11147913080 15180136960 17172529936 17836660928 21465662420 22295826160 34345059872 35673321856 42931324840 44591652320 50444306687 68690119744 71346643712 85862649680 89183304640 100888613374 137380239488 142693287424 171725299360 178366609280 201777226748 252221533435 274760478976 343450598720 356733218560 403554453496 504443066870 549520957952 686901197440 713466437120 807108906992 1008886133740 1373802394880 1614217813984 2017772267480 2747604789760 3228435627968 4035544534960 6456871255936 8071089069920 12913742511872 16142178139840 25827485023744 32284356279680 64568712559360 129137425118720
• Sum of all divisors σ(n): 317971716052320
• Sum of proper divisors (its aliquot sum) s(n): 188834290933600
• 129137425118720 is an abundant number, because the sum of its proper divisors (188834290933600) is greater than itself. Its abundance is 59696865814880

Bases of 129137425118720

• Binary: 11101010111001100100110010110011111011000000000₂
• Hexadecimal: 0x75732659F600
• Base-36: 19RWWWOPA8

Squares and roots of 129137425118720

• 129137425118720 squared (129137425118720²) is 16676474566293015206094438400
• 129137425118720 cubed (129137425118720³) is 2153556985548902839711186847064651726848000
• The square root of 129137425118720 is 11363864.8847440983
• The cube root of 129137425118720 is 50545.6796913141

Scales and comparisons

• 129,137,425,118,720 seconds is equal to 4,106,170 years, 34 weeks, 6 days, 1 hour, 25 minutes, 20 seconds.
• To count from 1 to 129,137,425,118,720 would take you about ten million, two hundred sixty-five thousand, four hundred twenty-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 129137425118720 cubic inches would be around 4212.1 feet tall.

Recreational maths with 129137425118720

• 129137425118720 backwards is 027811524731921
• The number of decimal digits it has is: 15
• The sum of 129137425118720's digits is 53
• More coming soon!