138895020864

Names of 138895020864

• Cardinal: 138895020864 can be written as One hundred thirty-eight billion, eight hundred ninety-five million, twenty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.38895020864 × 10¹¹

Factors of 138895020864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 371

Divisors of 138895020864

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 31 32 36 38 48 54 57 59 62 64 72 76 81 93 96 108 114 118 124 144 152 162 171 177 186 192 216 228 236 243 248 257 279 288 304 324 342 354 372 432 456 472 486 496 513 514 531 558 576 589 608 648 684 708 744 771 837 864 912 944 972 992 1026 1028 1062 1116 1121 1178 1216 1296 1368 1416 1488 1539 1542 1593 1674 1728 1767 1824 1829 1888 1944 1984 2052 2056 2124 2232 2242 2313 2356 2511 2592 2736 2832 2976 3078 3084 3186 3348 3363 3534 3648 3658 3776 3888 4104 4112 4248 4464 4484 4617 4626 4712 4779 4883 5022 5184 5301 5472 5487 5664 5952 6156 6168 6372 6696 6726 6939 7068 7316 7533 7776 7967 8208 8224 8496 8928 8968 9234 9252 9424 9558 9766 10044 10089 10602 10944 10974 11328 12312 12336 12744 13392 13452 13878 14136 14337 14632 14649 15066 15163 15552 15903 15934 16416 16448 16461 16992 17856 17936 18468 18504 18848 19116 19532 20088 20178 20817 21204 21948 23901 24624 24672 25488 26784 26904 27756 28272 28674 29264 29298 30132 30267 30326 31806 31868 32832 32922 33984 34751 35872 36936 37008 37696 38232 39064 40176 40356 41634 42408 43896 43947 45489 47709 47802 49248 49344 49383 50976 53568 53808 55512 56544 57348 58528 58596 60264 60534 60652 62451 63612 63736 65844 69502 71703 71744 73872 74016 76464 78128 80352 80712 83268 84816 87792 87894 90801 90978 95418 95604 98496 98766 101952 104253 107616 111024 113088 114696 117056 117192 120528 121068 121304 124902 127224 127472 131688 131841 136467 139004 143127 143406 147744 148032 148149 151373 152928 156256 160704 161424 166536 169632 175584 175788 181602 181956 190836 191208 197532 208506 215109 215232 222048 229392 234384 241056 242136 242608 249804 254448 254944 263376 263682 272403 272934 278008 286254 286812 288097 295488 296298 302746 305856 312512 312759 322848 333072 339264 351168 351576 363204 363912 381672 382416 395064 395523 409401 417012 430218 444096 444447 454119 458784 468768 470053 482112 484272 485216 499608 508896 509888 526752 527364 544806 545868 556016 572508 573624 576194 592596 605492 625518 645327 645696 666144 703152 726408 727824 763344 764832 790128 791046 818802 834024 860436 864291 888894 908238 917568 937536 938277 940106 968544 970432 999216 1017792 1053504 1054728 1089612 1091736 1112032 1145016 1147248 1152388 1185192 1186569 1210984 1228203 1251036 1290654 1332288 1362357 1406304 1410159 1452816 1455648 1526688 1529664 1580256 1582092 1637604 1668048 1720872 1728582 1777788 1816476 1876554 1880212 1935981 1937088 1998432 2109456 2179224 2183472 2224064 2290032 2294496 2304776 2370384 2373138 2421968 2456406 2502072 2581308 2592873 2724714 2812608 2814831 2820318 2905632 2911296 3053376 3160512 3164184 3275208 3336096 3441744 3457164 3555576 3632952 3684609 3753108 3760424 3871962 3996864 4087071 4218912 4230477 4358448 4366944 4580064 4588992 4609552 4740768 4746276 4843936 4912812 5004144 5162616 5185746 5449428 5629662 5640636 5811264 6328368 6550416 6672192 6883488 6914328 7111152 7265904 7369218 7506216 7520848 7743924 7778619 8174142 8437824 8444493 8460954 8716896 8733888 8931007 9160128 9219104 9481536 9492552 9687872 9825624 10008288 10325232 10371492 10898856 11259324 11281272 12261213 12656736 12691431 13100832 13766976 13828656 14222304 14531808 14738436 15012432 15041696 15487848 15557238 16348284 16888986 16921908 17433792 17862014 18438208 18985104 19651248 20016576 20650464 20742984 21797712 22518648 22562544 23335857 24522426 25313472 25382862 26201664 26793021 27657312 28444608 29063616 29476872 30024864 30083392 30975696 31114476 32696568 33777972 33843816 35724028 36783639 37970208 38074293 39302496 41300928 41485968 43595424 45037296 45125088 46671714 49044852 50765724 53586042 55314624 58953744 60049728 61951392 62228952 65393136 67555944 67687632 70007571 71448056 73567278 75940416 76148586 78604992 80379063 82971936 87190848 90074592 90250176 93343428 98089704 101531448 107172084 114222879 117907488 123902784 124457904 130786272 135111888 135375264 140015142 142896112 147134556 152297172 160758126 165943872 180149184 186686856 196179408 203062896 214344168 228445758 235814976 241137189 248915808 261572544 270223776 270750528 280030284 285792224 294269112 304594344 321516252 373373712 392358816 406125792 428688336 456891516 482274378 497831616 540447552 560060568 571584448 588538224 609188688 643032504 723411567 746747424 784717632 812251584 857376672 913783032 964548756 1120121136 1177076448 1218377376 1286065008 1446823134 1493494848 1714753344 1827566064 1929097512 2170234701 2240242272 2354152896 2436754752 2572130016 2893646268 3655132128 3858195024 4340469402 4480484544 5144260032 5787292536 7310264256 7716390048 8680938804 11574585072 15432780096 17361877608 23149170144 34723755216 46298340288 69447510432 138895020864
• Sum of all divisors σ(n): 457990041600
• Sum of proper divisors (its aliquot sum) s(n): 319095020736
• 138895020864 is an abundant number, because the sum of its proper divisors (319095020736) is greater than itself. Its abundance is 180199999872

Bases of 138895020864

• Binary: 10000001010110110010011101001101000000₂
• Hexadecimal: 0x2056C9D340
• Base-36: 1RT2IC00

Squares and roots of 138895020864

• 138895020864 squared (138895020864²) is 19291826820810995306496
• 138895020864 cubed (138895020864³) is 2679538688781217982496367994732544
• The square root of 138895020864 is 372686.2230670727
• The cube root of 138895020864 is 5178.7970560245

Scales and comparisons

• 138,895,020,864 seconds is equal to 4,416 years, 22 weeks, 3 days, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 138,895,020,864 would take you about eight thousand, eight hundred thirty-two 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 138895020864 cubic inches would be around 431.6 feet tall.

Recreational maths with 138895020864

• 138895020864 backwards is 468020598831
• 138895020864 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138895020864's digits is 54
• More coming soon!