138991545216

Names of 138991545216

• Cardinal: 138991545216 can be written as One hundred thirty-eight billion, nine hundred ninety-one million, five hundred forty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.38991545216 × 10¹¹

Factors of 138991545216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 148

Divisors of 138991545216

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 29 32 34 36 48 51 54 58 64 68 72 87 96 97 102 108 116 128 136 144 153 174 192 194 204 216 232 261 272 288 291 306 348 384 388 408 432 459 464 493 522 544 576 582 612 696 776 783 816 841 864 873 918 928 986 1044 1088 1152 1164 1224 1392 1479 1552 1566 1632 1649 1682 1728 1746 1836 1856 1972 2088 2176 2328 2448 2523 2619 2784 2813 2958 3104 3132 3264 3298 3364 3456 3492 3672 3712 3944 4176 4437 4656 4896 4947 5046 5238 5568 5626 5916 6208 6264 6528 6596 6728 6984 7344 7569 7888 8352 8439 8874 9312 9792 9894 10092 10476 11136 11252 11832 12416 12528 13192 13311 13456 13968 14297 14688 14841 15138 15776 16704 16878 17748 18624 19584 19788 20184 20952 22504 22707 23664 24389 25056 25317 26384 26622 26912 27936 28594 29376 29682 30276 31552 33408 33756 35496 37248 39576 40368 41904 42891 44523 45008 45414 47328 47821 48778 50112 50634 52768 53244 53824 55872 57188 58752 59364 60552 63104 67512 70992 73167 75951 79152 80736 81577 83808 85782 89046 90016 90828 94656 95642 97556 100224 101268 105536 106488 107648 111744 114376 118728 121104 128673 135024 141984 143463 146334 151902 158304 161472 163154 167616 171564 178092 180032 181656 189312 191284 195112 202536 211072 212976 219501 228752 237456 242208 244731 257346 270048 283968 286926 292668 303804 316608 322944 326308 335232 343128 356184 360064 363312 382568 386019 390224 405072 414613 425952 430389 439002 457504 474912 484416 489462 514692 540096 567936 573852 585336 607608 633216 652616 658503 686256 712368 726624 734193 765136 772038 780448 810144 829226 851904 860778 878004 915008 949824 968832 978924 1029384 1080192 1147704 1170672 1215216 1243839 1291167 1305232 1317006 1372512 1386809 1424736 1453248 1468386 1530272 1544076 1560896 1620288 1658452 1703808 1721556 1756008 1830016 1899648 1957848 2058768 2202579 2295408 2341344 2365733 2430432 2487678 2582334 2610464 2634012 2745024 2773618 2849472 2906496 2936772 3060544 3088152 3121792 3240576 3316904 3443112 3512016 3731517 3915696 4117536 4160427 4405158 4590816 4682688 4731466 4860864 4975356 5164668 5220928 5268024 5490048 5547236 5698944 5873544 6121088 6176304 6633808 6886224 7024032 7097199 7463034 7831392 8235072 8320854 8810316 9181632 9365376 9462932 9721728 9950712 10329336 10441856 10536048 11094472 11194551 11747088 12352608 12481281 13267616 13772448 14048064 14194398 14926068 15662784 16470144 16641708 17620632 18363264 18925864 19901424 20658672 21072096 21291597 22188944 22389102 23494176 24705216 24962562 26535232 27544896 28096128 28388796 29852136 31325568 33283416 35241264 37443843 37851728 39802848 40217461 41317344 42144192 42583194 44377888 44778204 46988352 49410432 49925124 53070464 55089792 56777592 59704272 63874791 66566832 70482528 74887686 75703456 79605696 80434922 82634688 84288384 85166388 88755776 89556408 93976704 99850248 113555184 119408544 120652383 127749582 133133664 140965056 149775372 151406912 159211392 160869844 165269376 170332776 177511552 179112816 199700496 227110368 238817088 241304766 255499164 266267328 281930112 299550744 302813824 321739688 340665552 358225632 361957149 399400992 454220736 477634176 482609532 510998328 532534656 599101488 643479376 681331104 716451264 723914298 798801984 908441472 965219064 1021996656 1085871447 1198202976 1286958752 1362662208 1432902528 1447828596 1597603968 1930438128 2043993312 2171742894 2396405952 2573917504 2725324416 2895657192 3860876256 4087986624 4343485788 4792811904 5147835008 5791314384 7721752512 8175973248 8686971576 11582628768 15443505024 17373943152 23165257536 34747886304 46330515072 69495772608 138991545216
• Sum of all divisors σ(n): 454498128000
• Sum of proper divisors (its aliquot sum) s(n): 315506582784
• 138991545216 is an abundant number, because the sum of its proper divisors (315506582784) is greater than itself. Its abundance is 176515037568

Bases of 138991545216

• Binary: 10000001011100100010101010101110000000₂
• Hexadecimal: 0x205C8AAB80
• Base-36: 1RUNZ6O0

Squares and roots of 138991545216

• 138991545216 squared (138991545216²) is 19318649641531372486656
• 138991545216 cubed (138991545216³) is 2685128965162969950461585780637696
• The square root of 138991545216 is 372815.6987252547
• The cube root of 138991545216 is 5179.9964373395

Scales and comparisons

• 138,991,545,216 seconds is equal to 4,419 years, 26 weeks, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 138,991,545,216 would take you about eight thousand, eight hundred thirty-nine 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 138991545216 cubic inches would be around 431.7 feet tall.

Recreational maths with 138991545216

• 138991545216 backwards is 612545199831
• 138991545216 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138991545216's digits is 54
• More coming soon!