138541978512

Names of 138541978512

• Cardinal: 138541978512 can be written as One hundred thirty-eight billion, five hundred forty-one million, nine hundred seventy-eight thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.38541978512 × 10¹¹

Factors of 138541978512

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 447

Divisors of 138541978512

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 71 72 83 84 112 126 142 144 166 168 213 249 252 281 284 332 336 426 497 498 504 562 568 581 639 664 747 843 852 994 996 1008 1124 1136 1162 1278 1328 1491 1494 1686 1704 1743 1967 1988 1992 2248 2324 2529 2556 2982 2988 3372 3408 3486 3934 3976 3984 4473 4496 4648 5058 5112 5229 5893 5901 5964 5976 6744 6889 6972 7868 7952 8946 9296 10116 10224 10458 11786 11802 11928 11952 13488 13778 13944 15736 17679 17703 17892 19951 20232 20667 20916 23323 23572 23604 23856 27556 27888 31472 35358 35406 35784 39902 40464 41251 41334 41832 46646 47144 47208 48223 53037 55112 59853 62001 69969 70716 70812 71568 79804 82502 82668 83664 93292 94288 94416 96446 106074 110224 119706 123753 124002 139657 139938 141432 141624 144669 159608 163261 165004 165336 179559 186584 192892 209907 212148 239412 247506 248004 279314 279876 282864 283248 289338 319216 326522 330008 330672 359118 371259 373168 385784 418971 419814 424296 434007 478824 489119 489783 495012 496008 558628 559752 578676 653044 660016 718236 742518 771568 837942 839628 848592 868014 957648 978238 979566 990024 992016 1117256 1119504 1157352 1256913 1306088 1436472 1467357 1469349 1485036 1655933 1675884 1679256 1736028 1935809 1956476 1959132 1980048 2234512 2314704 2513826 2612176 2872944 2934714 2938698 2970072 3311866 3351768 3358512 3423833 3472056 3871618 3912952 3918264 4402071 4967799 5027652 5807427 5869428 5877396 5940144 6623732 6703536 6847666 6944112 7743236 7825904 7836528 8804142 9935598 10055304 10271499 11591531 11614854 11738856 11754792 13247464 13550663 13695332 14903397 15486472 17422281 17608284 19871196 20110608 20542998 23183062 23229708 23477712 23509584 26494928 27101326 27390664 29806794 30814497 30972944 34774593 34844562 35216568 39742392 40651989 41085996 46366124 46459416 54202652 54781328 59613588 61628994 69549186 69689124 70433136 79484784 81303978 82171992 92732248 92918832 104323779 108405304 119227176 121955967 123257988 137442439 139098372 139378248 162607956 164343984 185464496 208647558 216810608 238454352 243911934 246515976 274884878 278196744 278756496 325215912 412327317 417295116 487823868 493031952 549769756 556393488 650431824 824654634 834590232 962097073 975647736 1099539512 1236981951 1649309268 1669180464 1924194146 1951295472 2199079024 2473963902 2886291219 3298618536 3848388292 4947927804 5772582438 6597237072 7696776584 8658873657 9895855608 11545164876 15393553168 17317747314 19791711216 23090329752 34635494628 46180659504 69270989256 138541978512
• Sum of all divisors σ(n): 456453249408
• Sum of proper divisors (its aliquot sum) s(n): 317911270896
• 138541978512 is an abundant number, because the sum of its proper divisors (317911270896) is greater than itself. Its abundance is 179369292384

Bases of 138541978512

• Binary: 10000001000001101111101101001110010000₂
• Hexadecimal: 0x2041BED390
• Base-36: 1RN8BES0

Squares and roots of 138541978512

• 138541978512 squared (138541978512²) is 19193879810019469734144
• 138541978512 cubed (138541978512³) is 2659158084201628018209412400713728
• The square root of 138541978512 is 372212.2761436007
• The cube root of 138541978512 is 5174.4055235907

Scales and comparisons

• 138,541,978,512 seconds is equal to 4,405 years, 10 weeks, 5 days, 2 hours, 55 minutes, 12 seconds.
• To count from 1 to 138,541,978,512 would take you about eight thousand, eight hundred ten 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 138541978512 cubic inches would be around 431.2 feet tall.

Recreational maths with 138541978512

• 138541978512 backwards is 215879145831
• The number of decimal digits it has is: 12
• The sum of 138541978512's digits is 54
• More coming soon!