155681091072

Names of 155681091072

• Cardinal: 155681091072 can be written as One hundred fifty-five billion, six hundred eighty-one million, ninety-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.55681091072 × 10¹¹

Factors of 155681091072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1856

Divisors of 155681091072

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 37 39 48 52 54 64 72 74 78 96 104 108 111 117 128 144 148 156 169 192 208 216 222 234 256 288 296 312 333 338 351 384 416 432 444 468 481 507 512 576 592 624 666 676 702 768 832 864 888 936 962 999 1014 1152 1184 1248 1332 1352 1404 1443 1521 1536 1664 1728 1776 1801 1872 1924 1998 2028 2304 2368 2496 2664 2704 2808 2886 3042 3328 3456 3552 3602 3744 3848 3996 4056 4329 4563 4608 4736 4992 5328 5403 5408 5616 5772 6084 6253 6656 6912 7104 7204 7488 7696 7992 8112 8658 9126 9472 9984 10656 10806 10816 11232 11544 12168 12506 12987 13824 14208 14408 14976 15392 15984 16209 16224 17316 18252 18759 18944 19968 21312 21612 21632 22464 23088 23413 24336 25012 25974 28416 28816 29952 30784 31968 32418 32448 34632 36504 37518 42624 43224 43264 44928 46176 46826 48627 48672 50024 51948 56277 56832 57632 59904 61568 63936 64836 64896 66637 69264 70239 73008 75036 85248 86448 86528 89856 92352 93652 97254 97344 100048 103896 112554 115264 123136 127872 129672 129792 133274 138528 140478 146016 150072 168831 170496 172896 179712 184704 187304 194508 194688 199911 200096 207792 210717 225108 230528 246272 255744 259344 259584 266548 277056 280956 292032 300144 304369 337662 345792 369408 374608 389016 389376 399822 400192 415584 421434 450216 461056 511488 518688 533096 554112 561912 584064 599733 600288 608738 632151 675324 691584 738816 749216 778032 778752 799644 800384 831168 842868 866281 900432 913107 922112 1037376 1066192 1108224 1123824 1168128 1199466 1200576 1217476 1264302 1350648 1383168 1498432 1556064 1599288 1600768 1662336 1685736 1732562 1799199 1800864 1826214 2074752 2132384 2216448 2247648 2336256 2398932 2401152 2434952 2528604 2598843 2701296 2739321 2766336 2996864 3112128 3198576 3201536 3324672 3371472 3465124 3598398 3601728 3652428 4149504 4264768 4495296 4797864 4802304 4869904 5057208 5197686 5402592 5478642 5993728 6224256 6397152 6649344 6742944 6930248 7196796 7203456 7304856 7796529 8217963 8299008 8529536 8990592 9595728 9604608 9739808 10114416 10395372 10805184 10957284 11261653 11987456 12448512 12794304 13485888 13860496 14393592 14406912 14609712 15593058 16435926 17059072 17981184 19191456 19479616 20228832 20790744 21610368 21914568 22523306 23389587 24897024 25588608 26971776 27720992 28787184 28813824 29219424 31186116 32871852 33784959 34118144 35962368 38382912 38959232 40457664 41581488 43220736 43829136 45046612 46779174 51177216 53943552 55441984 57574368 58438848 62372232 65743704 67569918 76765824 77918464 80915328 83162976 86441472 87658272 90093224 93558348 101354877 102354432 107887104 110883968 115148736 116877696 124744464 131487408 135139836 153531648 155836928 161830656 166325952 175316544 180186448 187116696 202709754 221767936 230297472 233755392 249488928 262974816 270279672 304064631 307063296 323661312 332651904 350633088 360372896 374233392 405419508 443535872 460594944 467510784 498977856 525949632 540559344 608129262 665303808 701266176 720745792 748466784 810839016 921189888 997955712 1051899264 1081118688 1216258524 1330607616 1402532352 1441491584 1496933568 1621678032 1995911424 2103798528 2162237376 2432517048 2882983168 2993867136 3243356064 3991822848 4207597056 4324474752 4865034096 5765966336 5987734272 6486712128 8648949504 9730068192 11975468544 12973424256 17297899008 19460136384 25946848512 38920272768 51893697024 77840545536 155681091072
• Sum of all divisors σ(n): 512772939360
• Sum of proper divisors (its aliquot sum) s(n): 357091848288
• 155681091072 is an abundant number, because the sum of its proper divisors (357091848288) is greater than itself. Its abundance is 201410757216

Bases of 155681091072

• Binary: 10010000111111010100001110111000000000₂
• Hexadecimal: 0x243F50EE00
• Base-36: 1ZIOI2O0

Squares and roots of 155681091072

• 155681091072 squared (155681091072²) is 24236602117368358109184
• 155681091072 cubed (155681091072³) is 3773180661509851391766984023605248
• The square root of 155681091072 is 394564.4320918953
• The cube root of 155681091072 is 5379.5418305901

Scales and comparisons

• 155,681,091,072 seconds is equal to 4,950 years, 9 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 155,681,091,072 would take you about nine thousand, nine hundred 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 155681091072 cubic inches would be around 448.3 feet tall.

Recreational maths with 155681091072

• 155681091072 backwards is 270190186551
• The number of decimal digits it has is: 12
• The sum of 155681091072's digits is 45
• More coming soon!