138439695583440

Names of 138439695583440

• Cardinal: 138439695583440 can be written as One hundred thirty-eight trillion, four hundred thirty-nine billion, six hundred ninety-five million, five hundred eighty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3843969558344 × 10¹⁴

Factors of 138439695583440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 378113

Divisors of 138439695583440

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 36 40 45 46 48 54 60 69 72 80 81 90 92 108 115 120 135 138 144 162 180 184 207 216 230 240 270 276 324 345 360 368 405 414 432 460 540 552 621 648 690 720 810 828 920 1035 1080 1104 1242 1296 1380 1620 1656 1840 1863 2070 2160 2473 2484 2760 3105 3240 3312 3726 4140 4946 4968 5520 6210 6480 7419 7452 8280 9315 9892 9936 12365 12420 14838 14904 16560 18630 19784 22257 24730 24840 29676 29808 37095 37260 39568 44514 49460 49680 56879 59352 66771 74190 74520 89028 98920 111285 113758 118704 133542 148380 149040 170637 178056 197840 200313 222570 227516 267084 284395 296760 333855 341274 356112 375607 400626 445140 455032 511911 534168 568790 593520 667710 682548 751214 801252 853185 890280 910064 1001565 1023822 1068336 1126821 1137580 1335420 1365096 1502428 1535733 1602504 1706370 1780560 1878035 2003130 2047644 2253642 2275160 2559555 2670840 2730192 3004856 3071466 3205008 3380463 3412740 3756070 4006260 4095288 4507284 4550320 4607199 5119110 5341680 5634105 6009712 6142932 6760926 6825480 7512140 7678665 8012520 8190576 8638961 9014568 9214398 10141389 10238220 11268210 12285864 13521852 13650960 15024280 15357330 16025040 16902315 17277922 18029136 18428796 20282778 20476440 22536420 23035995 24571728 25916883 27043704 30048560 30424167 30714660 33804630 34555844 36857592 40565556 40952880 43194805 45072840 46071990 50706945 51833766 54087408 60848334 61429320 67609260 69111688 73715184 77750649 81131112 86389610 90145680 92143980 101413890 103667532 121696668 122858640 129584415 135218520 138223376 152120835 155501298 162262224 172779220 184287960 202827780 207335064 233251947 243393336 259168830 270437040 304241670 311002596 345558440 368575920 388753245 405655560 414670128 466503894 486786672 518337660 608483340 622005192 691116880 699755841 777506490 811311120 928876111 933007788 1036675320 1166259735 1216966680 1244010384 1399511682 1555012980 1857752222 1866015576 2073350640 2332519470 2433933360 2786628333 2799023364 3110025960 3498779205 3715504444 3732031152 4644380555 4665038940 5573256666 5598046728 6220051920 6997558410 7431008888 8359884999 9288761110 9330077880 11146513332 11196093456 13933141665 13995116820 14862017776 16719769998 18577522220 18660155760 21364150553 22293026664 25079654997 27866283330 27990233640 33439539996 37155044440 41799424995 42728301106 44586053328 50159309994 55732566660 55980467280 64092451659 66879079992 74310088880 75238964991 83598849990 85456602212 100318619988 106820752765 111465133320 125398274985 128184903318 133758159984 150477929982 167197699980 170913204424 192277354977 200637239976 213641505530 222930266640 250796549970 256369806636 300955859964 320462258295 334395399960 341826408848 376194824955 384554709954 401274479952 427283011060 501593099940 512739613272 576832064931 601911719928 640924516590 668790799920 752389649910 769109419908 854566022120 961386774885 1003186199880 1025479226544 1153664129862 1203823439856 1281849033180 1504779299820 1538218839816 1709132044240 1730496194793 1922773549770 2006372399760 2307328259724 2563698066360 2884160324655 3009558599640 3076437679632 3460992389586 3845547099540 4614656519448 5127396132720 5768320649310 6019117199280 6921984779172 7691094199080 8652480973965 9229313038896 11536641298620 13843969558344 15382188398160 17304961947930 23073282597240 27687939116688 34609923895860 46146565194480 69219847791720 138439695583440
• Sum of all divisors σ(n): 501931076283648
• Sum of proper divisors (its aliquot sum) s(n): 363491380700208
• 138439695583440 is an abundant number, because the sum of its proper divisors (363491380700208) is greater than itself. Its abundance is 225051685116768

Bases of 138439695583440

• Binary: 11111011110100100000000111000001100100011010000₂
• Hexadecimal: 0x7DE900E0C8D0
• Base-36: 1D2MBGCD00

Squares and roots of 138439695583440

• 138439695583440 squared (138439695583440²) is 19165549313235536642002233600
• 138439695583440 cubed (138439695583440³) is 2653272812613735247194254907312535171584000
• The square root of 138439695583440 is 11766039.9278363831
• The cube root of 138439695583440 is 51731.3182143553

Scales and comparisons

• 138,439,695,583,440 seconds is equal to 4,401,954 years, 5 weeks, 11 hours, 24 minutes.
• To count from 1 to 138,439,695,583,440 would take you about eleven million, four thousand, eight hundred eighty-five 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 138439695583440 cubic inches would be around 4310.9 feet tall.

Recreational maths with 138439695583440

• 138439695583440 backwards is 044385596934831
• 138439695583440 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138439695583440's digits is 72
• More coming soon!