138952042866

Names of 138952042866

• Cardinal: 138952042866 can be written as One hundred thirty-eight billion, nine hundred fifty-two million, forty-two thousand, eight hundred sixty-six.

Scientific notation

• Scientific notation: 1.38952042866 × 10¹¹

Factors of 138952042866

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 183

Divisors of 138952042866

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 19 21 26 27 29 37 38 39 42 54 57 58 63 73 74 78 87 91 111 114 117 126 133 146 171 174 182 189 203 219 222 234 247 259 261 266 273 333 342 351 361 377 378 399 406 438 481 494 511 513 518 522 546 551 609 657 666 702 703 722 741 754 777 783 798 819 949 962 999 1022 1026 1073 1083 1102 1131 1197 1218 1314 1387 1406 1443 1482 1533 1554 1566 1638 1653 1729 1827 1898 1971 1998 2109 2117 2146 2166 2223 2262 2331 2394 2457 2527 2639 2701 2774 2847 2886 3066 3219 3249 3306 3367 3393 3458 3591 3654 3857 3942 4161 4218 4234 4329 4446 4599 4662 4693 4914 4921 4959 5054 5187 5278 5402 5481 5694 6327 6351 6438 6498 6643 6669 6734 6786 6993 7163 7182 7511 7581 7714 7917 8103 8322 8541 8658 9139 9198 9386 9657 9709 9747 9842 9918 10101 10179 10374 10469 10962 11571 12483 12654 12702 12987 13286 13338 13357 13797 13949 13986 14079 14326 14763 14819 14877 15022 15162 15561 15834 16206 17082 18031 18278 18907 18981 19053 19314 19418 19494 19929 20202 20358 20387 20938 21489 22533 22743 23142 23751 24309 24966 25623 25974 26353 26714 27417 27521 27594 27898 28158 28971 29127 29526 29638 29754 30303 31122 31407 32851 34713 35113 36062 37449 37814 37962 38106 39858 40071 40223 40774 41847 42237 42978 44289 44457 45066 45486 46683 47502 48618 50141 51246 51319 52706 54093 54834 55042 56721 57159 57942 58254 59787 60606 61161 62814 63973 64467 65702 67599 68229 69426 70226 71253 72927 73283 74898 78329 79059 80142 80446 82251 82563 83694 84474 87381 88578 88914 90909 93366 93499 94221 97643 98553 100282 102638 104139 105339 108186 113442 114318 119574 120213 120669 122322 125541 126217 126711 127946 128934 132867 133371 135198 136097 136458 142506 142709 145854 146566 150423 153957 156658 158118 162279 164502 165126 170163 173641 174762 179361 181818 183483 184471 186998 188442 191919 192647 193401 195286 197106 202797 208278 210678 219849 234987 237177 240426 241338 245791 246753 247689 251082 252434 253422 262143 265031 265734 266742 272194 280497 281561 282663 285418 292929 295659 300846 307914 316017 324558 340326 342589 347282 358722 359233 360639 362007 366966 368942 376623 378651 383838 385294 386802 387353 400113 405594 408291 428127 439698 451269 461871 469974 474354 486837 491582 493506 495378 510489 520923 522899 524286 530062 548303 550449 553413 560994 563122 565326 575757 577941 585858 591318 632034 659547 667147 685178 704961 711531 718466 721278 724014 737373 743067 753246 757302 764237 774706 795093 800226 816582 841491 844683 856254 878787 886977 902538 923742 948051 952679 973674 975061 1018277 1020978 1027767 1041846 1045798 1077699 1086021 1096606 1100898 1106826 1135953 1151514 1155882 1162059 1215487 1224873 1284381 1319094 1334294 1353807 1385613 1409922 1423062 1474746 1486134 1488251 1528474 1562769 1568697 1590186 1644909 1660239 1682982 1689366 1727271 1733823 1757574 1773954 1855217 1896102 1905358 1950122 1978641 2001441 2036554 2055534 2114883 2155398 2172042 2212119 2271906 2292711 2324118 2385279 2398123 2430974 2449746 2524473 2534049 2568762 2636361 2707614 2711471 2771226 2858037 2925183 2976502 3054831 3083301 3125538 3137394 3233097 3289818 3320478 3407859 3454542 3467646 3486177 3646461 3660293 3674619 3710434 3853143 3957282 4002882 4229766 4424238 4464753 4585422 4670029 4688307 4706091 4770558 4796246 4934727 4980717 5035589 5048946 5068098 5201469 5272722 5349659 5422942 5565651 5716074 5850366 6004323 6109662 6166602 6466194 6636357 6815718 6825427 6878133 6972354 7127939 7155837 7194369 7292922 7320586 7349238 7602147 7706286 8134413 8574111 8775549 8929506 9164493 9249903 9340058 9376614 9412182 9699291 9869454 9935081 9961434 10071178 10402938 10417757 10458531 10699318 10939383 10980879 11131302 12008646 12675793 13272714 13394259 13650854 13756266 14010087 14118273 14255878 14311674 14388738 14804181 15106767 15204294 16048977 16268826 16696953 17148222 17551098 18012969 18328986 18499806 19347263 19398582 19870162 20476281 20634399 20835514 20917062 21383817 21583107 21878766 21961758 24403239 25351586 25722333 26326647 26788518 27493479 28020174 28236546 28276769 29608362 29805243 30213534 31253271 32097954 32818149 32942637 33393906 35249123 36025938 38027379 38694526 40182777 40952562 41268798 42030261 42767634 43166214 45320301 48146931 48806478 50090859 51444666 52653294 54986958 56553538 58041789 59610486 61428843 62506542 64151451 64749321 65636298 65885274 69545567 70498246 73209717 76054758 80365554 84060522 84830307 88730551 89415729 90640602 93759813 96293862 98827911 100181718 105747369 114082137 116083578 122857686 126090783 128302902 129498642 135430841 135960903 139091134 144440793 146419434 169660614 174125367 177461102 178831458 184286529 187519626 192454353 197655822 197937383 208636701 211494738 228164274 252181566 254490921 266191653 268247187 270861682 271921806 281279439 288881586 317242107 342246411 348250734 367597997 368573058 384908706 395874766 406292523 417273402 508981842 522376101 532383306 536494374 562558878 593812149 625910103 634484214 684492822 735195994 763472763 798574959 812585046 951726321 1044752202 1102793991 1187624298 1218877569 1251820206 1526945526 1597149918 1781436447 1877730309 1903452642 2205587982 2395724877 2437755138 2573185979 3308381973 3562872894 3656632707 3755460618 4791449754 5146371958 5344309341 6616763946 7313265414 7719557937 9925145919 10688618682 15439115874 19850291838 23158673811 46317347622 69476021433 138952042866
• Sum of all divisors σ(n): 431977190400
• Sum of proper divisors (its aliquot sum) s(n): 293025147534
• 138952042866 is an abundant number, because the sum of its proper divisors (293025147534) is greater than itself. Its abundance is 154073104668

Bases of 138952042866

• Binary: 10000001011010001011111110100101110010₂
• Hexadecimal: 0x205A2FE972
• Base-36: 1RU0GIGI

Squares and roots of 138952042866

• 138952042866 squared (138952042866²) is 19307670216634701493956
• 138952042866 cubed (138952042866³) is 2682840219584416548251288351917896
• The square root of 138952042866 is 372762.7165718159
• The cube root of 138952042866 is 5179.5056606763

Scales and comparisons

• 138,952,042,866 seconds is equal to 4,418 years, 12 weeks, 5 days, 5 hours, 41 minutes, 6 seconds.
• To count from 1 to 138,952,042,866 would take you about eight thousand, eight hundred thirty-six 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 138952042866 cubic inches would be around 431.6 feet tall.

Recreational maths with 138952042866

• 138952042866 backwards is 668240259831
• 138952042866 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138952042866's digits is 54
• More coming soon!