138534656125440

Names of 138534656125440

• Cardinal: 138534656125440 can be written as One hundred thirty-eight trillion, five hundred thirty-four billion, six hundred fifty-six million, one hundred twenty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3853465612544 × 10¹⁴

Factors of 138534656125440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 535455

Divisors of 138534656125440

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 64 80 82 96 120 123 128 160 164 192 205 240 246 256 320 328 384 410 480 492 512 615 640 656 768 820 823 960 984 1230 1280 1312 1536 1640 1646 1920 1968 2460 2469 2560 2624 3280 3292 3840 3936 4115 4920 4938 5248 6560 6584 7680 7872 8230 9840 9876 10496 12345 13120 13168 15744 16460 19680 19752 20992 24690 26240 26336 31488 32920 33743 39360 39504 49380 52480 52672 62976 65840 67486 78720 79008 98760 101229 104960 105344 131680 134972 157440 158016 168715 197520 202458 210688 263360 269944 314880 316032 337430 395040 404916 421376 506145 526720 534581 539888 632064 674860 790080 809832 1012290 1053440 1069162 1079776 1264128 1349720 1580160 1603743 1619664 2024580 2106880 2138324 2159552 2672905 2699440 3160320 3207486 3239328 4049160 4276648 4319104 5345810 5398880 6320640 6414972 6478656 8018715 8098320 8553296 8638208 10691620 10797760 12829944 12957312 16037430 16196640 17106592 17276416 21383240 21595520 21917821 25659888 25914624 32074860 32393280 34213184 42766480 43191040 43835642 51319776 51829248 64149720 64786560 65753463 68426368 85532960 86382080 87671284 102639552 109589105 128299440 129573120 131506926 136852736 171065920 175342568 205279104 219178210 256598880 259146240 263013852 273705472 328767315 342131840 350685136 410558208 438356420 439960163 513197760 526027704 657534630 684263680 701370272 821116416 876712840 879920326 1026395520 1052055408 1315069260 1319880489 1368527360 1402740544 1753425680 1759840652 2052791040 2104110816 2199800815 2630138520 2639760978 2805481088 3506851360 3519681304 4105582080 4208221632 4399601630 5260277040 5279521956 5610962176 6599402445 7013702720 7039362608 8416443264 8799203260 10520554080 10559043912 11221924352 13198804890 14027405440 14078725216 16832886528 17598406520 18038366683 21041108160 21118087824 26397609780 28054810880 28157450432 33665773056 35196813040 36076733366 42082216320 42236175648 52795219560 54115100049 56109621760 56314900864 70393626080 72153466732 84164432640 84472351296 90191833415 105590439120 108230200098 112629801728 140787252160 144306933464 168328865280 168944702592 180383666830 211180878240 216460400196 225259603456 270575500245 281574504320 288613866928 337889405184 360767333660 422361756480 432920800392 541151000490 563149008640 577227733856 675778810368 721534667320 844723512960 865841600784 1082302000980 1126298017280 1154455467712 1443069334640 1689447025920 1731683201568 2164604001960 2308910935424 2886138669280 3378894051840 3463366403136 4329208003920 4617821870848 5772277338560 6926732806272 8658416007840 9235643741696 11544554677120 13853465612544 17316832015680 23089109354240 27706931225088 34633664031360 46178218708480 69267328062720 138534656125440
• Sum of all divisors σ(n): 454231981792512
• Sum of proper divisors (its aliquot sum) s(n): 315697325667072
• 138534656125440 is an abundant number, because the sum of its proper divisors (315697325667072) is greater than itself. Its abundance is 177162669541632

Bases of 138534656125440

• Binary: 11111011111111100011100111101111010101000000000₂
• Hexadecimal: 0x7DFF1CF7AA00
• Base-36: 1D3TXXEC5C

Squares and roots of 138534656125440

• 138534656125440 squared (138534656125440²) is 19191850947793910513015193600
• 138534656125440 cubed (138534656125440³) is 2658736471463329134706611502902027485184000
• The square root of 138534656125440 is 11770074.6015239853
• The cube root of 138534656125440 is 51743.1436069223

Scales and comparisons

• 138,534,656,125,440 seconds is equal to 4,404,973 years, 28 weeks, 3 days, 19 hours, 44 minutes.
• To count from 1 to 138,534,656,125,440 would take you about eleven million, twelve thousand, four hundred thirty-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 138534656125440 cubic inches would be around 4311.9 feet tall.

Recreational maths with 138534656125440

• 138534656125440 backwards is 044521656435831
• The number of decimal digits it has is: 15
• The sum of 138534656125440's digits is 57
• More coming soon!