138308287838510720

Names of 138308287838510720

• Cardinal: 138308287838510720 can be written as One hundred thirty-eight quadrillion, three hundred eight trillion, two hundred eighty-seven billion, eight hundred thirty-eight million, five hundred ten thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.3830828783851072 × 10¹⁷

Factors of 138308287838510720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 359413454

Divisors of 138308287838510720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 280 320 343 392 448 490 560 640 686 784 896 980 1120 1372 1568 1715 1753 1960 2240 2744 3136 3430 3506 3920 4480 5488 6272 6860 7012 7840 8765 10976 12271 13720 14024 15680 17530 21952 24542 27440 28048 31360 35060 43904 49084 54880 56096 61355 70120 85897 98168 109760 112192 122710 140240 171794 196336 219520 224384 245420 280480 343588 392672 429485 490840 560960 601279 687176 785344 858970 981680 1121920 1202558 1374352 1570688 1717940 1963360 2405116 2748704 3006395 3435880 3926720 4810232 5497408 6012790 6871760 7853440 9620464 10994816 12025580 13743520 19240928 24051160 27487040 38481856 48102320 54974080 76963712 96204640 192409280 359411687 384818560 718823374 1437646748 1797058435 2515881809 2875293496 3594116870 5031763618 5750586992 7188233740 10063527236 11501173984 12579409045 14376467480 17611172663 20127054472 23002347968 25158818090 28752934960 35222345326 40254108944 46004695936 50317636180 57505869920 70444690652 80508217888 88055863315 100635272360 115011739840 123278208641 140889381304 161016435776 176111726630 201270544720 230023479680 246556417282 281778762608 322032871552 352223453260 402541089440 493112834564 563557525216 616391043205 630048687311 704446906520 805082178880 986225669128 1127115050432 1232782086410 1260097374622 1408893813040 1610164357760 1972451338256 2254230100864 2465564172820 2520194749244 2817787626080 3150243436555 3944902676512 4410340811177 4931128345640 5040389498488 5635575252160 6300486873110 7889805353024 8820681622354 9862256691280 10080778996976 11271150504320 12600973746220 15779610706048 17641363244708 19724513382560 20161557993952 22051704055885 25201947492440 30872385678239 35282726489416 39449026765120 40323115987904 44103408111770 50403894984880 61744771356478 70565452978832 78898053530240 80646231975808 88206816223540 100807789969760 123489542712956 141130905957664 154361928391195 176413632447080 201615579939520 216106699747673 246979085425912 282261811915328 308723856782390 352827264894160 403231159879040 432213399495346 493958170851824 564523623830656 617447713564780 705654529788320 864426798990692 987916341703648 1080533498738365 1234895427129560 1411309059576640 1728853597981384 1975832683407296 2161066997476730 2469790854259120 2822618119153280 3457707195962768 3951665366814592 4322133994953460 4939581708518240 6915414391925536 8644267989906920 9879163417036480 13830828783851072 17288535979813840 19758326834072960 27661657567702144 34577071959627680 69154143919255360 138308287838510720
• Sum of all divisors σ(n): 385809757660224000
• Sum of proper divisors (its aliquot sum) s(n): 247501469821713280
• 138308287838510720 is an abundant number, because the sum of its proper divisors (247501469821713280) is greater than itself. Its abundance is 109193181983202560

Bases of 138308287838510720

• Binary: 111101011010111101010011110101110000110110101111010000000₂
• Hexadecimal: 0x1EB5EA7AE1B5E80
• Base-36: 11TU72A4VPFK

Squares and roots of 138308287838510720

• 138308287838510720 squared (138308287838510720²) is 19129182484820332331773507554918400
• 138308287838510720 cubed (138308287838510720³) is 2645724477225928245936395436057005025580867125248000
• The square root of 138308287838510720 is 371898222.4191327323
• The cube root of 138308287838510720 is 517149.4514582125

Scales and comparisons

• 138,308,287,838,510,720 seconds is equal to 4,397,775,737 years, 33 weeks, 2 days, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 138,308,287,838,510,720 would take you about thirteen billion, one hundred ninety-three million, three hundred twenty-seven thousand, two hundred twelve 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 138308287838510720 cubic inches would be around 43095.8 feet tall.

Recreational maths with 138308287838510720

• 138308287838510720 backwards is 027015838782803831
• The number of decimal digits it has is: 18
• The sum of 138308287838510720's digits is 74
• More coming soon!