138907520831250

Names of 138907520831250

• Cardinal: 138907520831250 can be written as One hundred thirty-eight trillion, nine hundred seven billion, five hundred twenty million, eight hundred thirty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.3890752083125 × 10¹⁴

Factors of 138907520831250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5194

Divisors of 138907520831250

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 31 45 50 54 62 75 90 93 125 135 150 155 186 225 250 270 279 310 375 450 465 558 625 675 750 775 837 930 1125 1250 1350 1395 1550 1674 1875 2250 2325 2790 3125 3375 3750 3875 4185 4650 5153 5625 6250 6750 6975 7750 8370 9375 10306 11250 11625 13950 15459 16875 18750 19375 20925 23250 25765 28125 30918 33750 34875 38750 41850 46377 51530 56250 58125 69750 77295 84375 92754 96875 104625 116250 128825 139131 154590 159743 168750 174375 193750 209250 231885 257650 278262 290625 319486 348750 386475 463770 479229 523125 581250 644125 695655 772950 798715 871875 958458 1046250 1159425 1288250 1391310 1437687 1597430 1743750 1932375 2318850 2396145 2615625 2875374 3220625 3478275 3864750 3993575 4313061 4792290 5231250 5797125 6441250 6956550 7188435 7987150 8626122 9661875 11594250 11980725 14376870 16103125 17391375 19323750 19967875 21565305 23961450 26553409 28985625 32206250 34782750 35942175 39935750 43130610 48309375 53106818 57971250 59903625 71884350 79660227 86956875 96618750 99839375 107826525 119807250 132767045 144928125 159320454 173913750 179710875 199678750 215653050 238980681 265534090 289856250 299518125 359421750 398301135 434784375 477961362 499196875 539132625 599036250 663835225 716942043 796602270 823155679 869568750 898554375 998393750 1078265250 1194903405 1327670450 1433884086 1497590625 1646311358 1797108750 1991505675 2389806810 2469467037 2695663125 2995181250 3319176125 3584710215 3983011350 4115778395 4492771875 4938934074 5391326250 5974517025 6638352250 7169420430 7408401111 8231556790 8985543750 9957528375 11949034050 12347335185 13478315625 14816802222 16595880625 17923551075 19915056750 20578891975 22225203333 24694670370 26956631250 29872585125 33191761250 35847102150 37042005555 41157783950 44450406666 49787641875 59745170250 61736675925 74084011110 82979403125 89617755375 99575283750 102894459875 111126016665 123473351850 149362925625 165958806250 179235510750 185210027775 205788919750 222252033330 248938209375 298725851250 308683379625 370420055550 448088776875 497876418750 514472299375 555630083325 617366759250 746814628125 896177553750 926050138875 1028944598750 1111260166650 1493629256250 1543416898125 1852100277750 2240443884375 2572361496875 2778150416625 3086833796250 4480887768750 4630250694375 5144722993750 5556300833250 7717084490625 9260501388750 13890752083125 15434168981250 23151253471875 27781504166250 46302506943750 69453760415625 138907520831250
• Sum of all divisors σ(n): 398352948779520
• Sum of proper divisors (its aliquot sum) s(n): 259445427948270
• 138907520831250 is an abundant number, because the sum of its proper divisors (259445427948270) is greater than itself. Its abundance is 120537907117020

Bases of 138907520831250

• Binary: 11111100101010111101101011011111000111100010010₂
• Hexadecimal: 0x7E55ED6F8F12
• Base-36: 1D8L8FF0GI

Squares and roots of 138907520831250

• 138907520831250 squared (138907520831250²) is 19295299343484152690976562500
• 138907520831250 cubed (138907520831250³) is 2680262195500229388876082599374267578125000
• The square root of 138907520831250 is 11785903.4796340497
• The cube root of 138907520831250 is 51789.5240800975

Scales and comparisons

• 138,907,520,831,250 seconds is equal to 4,416,829 years, 25 weeks, 4 days, 13 hours, 7 minutes, 30 seconds.
• To count from 1 to 138,907,520,831,250 would take you about eleven million, forty-two thousand and seventy-three 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 138907520831250 cubic inches would be around 4315.8 feet tall.

Recreational maths with 138907520831250

• 138907520831250 backwards is 052138025709831
• 138907520831250 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138907520831250's digits is 54
• More coming soon!