138455223912

Names of 138455223912

• Cardinal: 138455223912 can be written as One hundred thirty-eight billion, four hundred fifty-five million, two hundred twenty-three thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.38455223912 × 10¹¹

Factors of 138455223912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9651

Divisors of 138455223912

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 19 23 24 27 34 36 38 46 51 54 57 68 69 72 76 81 92 102 108 114 136 138 152 153 162 171 184 204 207 216 228 243 276 306 323 324 342 391 408 414 437 456 459 486 513 552 612 621 646 648 684 782 828 874 918 969 972 1026 1173 1224 1242 1292 1311 1368 1377 1539 1564 1656 1748 1836 1863 1938 1944 2052 2346 2484 2584 2622 2754 2907 3078 3128 3496 3519 3672 3726 3876 3933 4104 4131 4617 4692 4968 5244 5508 5589 5814 6156 7038 7429 7452 7752 7866 8262 8721 9234 9384 9587 10488 10557 11016 11178 11628 11799 12312 14076 14858 14904 15732 16524 17442 18468 19174 21114 22287 22356 23256 23598 26163 28152 28761 29716 31464 31671 33048 34884 35397 36936 38348 42228 44574 44712 47196 52326 57522 59432 63342 66861 69768 70794 76696 78489 84456 86283 89148 94392 95013 104652 106191 115044 126684 133722 141588 156978 162979 172566 178296 182153 190026 200583 209304 212382 220501 230088 253368 258849 267444 283176 313956 325958 345132 364306 380052 401166 424764 441002 488937 517698 534888 546459 601749 627912 651916 661503 690264 728612 760104 776547 802332 849528 882004 977874 1035396 1092918 1203498 1303832 1323006 1457224 1466811 1553094 1604664 1639377 1764008 1805247 1955748 1984509 2070792 2185836 2329641 2406996 2646012 2933622 3096601 3106188 3278754 3610494 3748517 3911496 3969018 4189519 4371672 4400433 4659282 4813992 4918131 5292024 5867244 5953527 6193202 6212376 6557508 7220988 7497034 7938036 8379038 8800866 9289803 9318564 9836262 11245551 11734488 11907054 12386404 12568557 13115016 13201299 14441976 14754393 14994068 15876072 16758076 17601732 17860581 18579606 18637128 19672524 22491102 23814108 24772808 25137114 26402598 27869409 29508786 29988136 33516152 33736653 35203464 35721162 37159212 37705671 39345048 39603897 44263179 44982204 47628216 50274228 52805196 53581743 55738818 59017572 67473306 71221823 71442324 74318424 75411342 79207794 83608227 88526358 89964408 100548456 101209959 105610392 107163486 111477636 113117013 118035144 134946612 142443646 142884648 150822684 158415588 167216454 177052716 202419918 213665469 214326972 222955272 226234026 250824681 269893224 284887292 301645368 303629877 316831176 334432908 339351039 354105432 404839836 427330938 428653944 452468052 501649362 569774584 607259754 640996407 668865816 678702078 752474043 809679672 854661876 904936104 910889631 1003298724 1018053117 1214519508 1281992814 1357404156 1504948086 1709323752 1821779262 1922989221 2006597448 2036106234 2429039016 2563985628 2714808312 3009896172 3643558524 3845978442 4072212468 5127971256 5768967663 6019792344 7287117048 7691956884 8144424936 11537935326 15383913768 17306902989 23075870652 34613805978 46151741304 69227611956 138455223912
• Sum of all divisors σ(n): 452308147200
• Sum of proper divisors (its aliquot sum) s(n): 313852923288
• 138455223912 is an abundant number, because the sum of its proper divisors (313852923288) is greater than itself. Its abundance is 175397699376

Bases of 138455223912

• Binary: 10000000111100100100110000111001101000₂
• Hexadecimal: 0x203C930E68
• Base-36: 1RLSNYI0

Squares and roots of 138455223912

• 138455223912 squared (138455223912²) is 19169849028522056583744
• 138455223912 cubed (138455223912³) is 2654165739603257018733009299286528
• The square root of 138455223912 is 372095.7187498937
• The cube root of 138455223912 is 5173.3252319719

Scales and comparisons

• 138,455,223,912 seconds is equal to 4,402 years, 23 weeks, 2 days, 25 minutes, 12 seconds.
• To count from 1 to 138,455,223,912 would take you about eight thousand, eight hundred four 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 138455223912 cubic inches would be around 431.1 feet tall.

Recreational maths with 138455223912

• 138455223912 backwards is 219322554831
• The number of decimal digits it has is: 12
• The sum of 138455223912's digits is 45
• More coming soon!