155290811472

Names of 155290811472

• Cardinal: 155290811472 can be written as One hundred fifty-five billion, two hundred ninety million, eight hundred eleven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.55290811472 × 10¹¹

Factors of 155290811472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 51

Divisors of 155290811472

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 29 34 36 48 51 54 58 68 72 81 87 102 108 116 136 144 153 162 174 204 216 232 261 272 289 306 324 348 408 432 459 464 493 522 578 612 648 696 783 816 841 867 918 986 1044 1156 1224 1296 1377 1392 1479 1566 1682 1734 1836 1972 2088 2312 2349 2448 2523 2601 2754 2958 3132 3364 3468 3672 3944 4176 4437 4624 4698 4913 5046 5202 5508 5916 6264 6728 6936 7344 7569 7803 7888 8381 8874 9396 9826 10092 10404 11016 11832 12528 13311 13456 13872 14297 14739 15138 15606 16762 17748 18792 19652 20184 20808 22032 22707 23409 23664 24389 25143 26622 28594 29478 30276 31212 33524 35496 37584 39304 39933 40368 41616 42891 44217 45414 46818 48778 50286 53244 57188 58956 60552 62424 67048 68121 70992 73167 75429 78608 79866 85782 88434 90828 93636 97556 100572 106488 114376 117912 121104 124848 128673 132651 134096 136242 142477 146334 150858 159732 171564 176868 181656 187272 195112 201144 212976 219501 226287 228752 235824 243049 257346 265302 272484 284954 292668 301716 319464 343128 353736 363312 374544 386019 390224 397953 402288 414613 427431 439002 452574 486098 514692 530604 544968 569908 585336 603432 638928 658503 678861 686256 707472 729147 772038 795906 829226 854862 878004 905148 972196 1029384 1061208 1089936 1139816 1158057 1170672 1206864 1243839 1282293 1317006 1357722 1458294 1544076 1591812 1658452 1709724 1756008 1810296 1944392 1975509 2058768 2122416 2187441 2279632 2316114 2487678 2564586 2634012 2715444 2916588 3088152 3183624 3316904 3419448 3512016 3620592 3731517 3846879 3888784 3951018 4131833 4374882 4632228 4975356 5129172 5268024 5430888 5833176 6176304 6367248 6562323 6633808 6838896 7048421 7463034 7693758 7902036 8263666 8749764 9264456 9950712 10258344 10536048 10861776 11194551 11540637 11666352 12395499 13124646 14096842 14926068 15387516 15804072 16527332 17499528 18528912 19686969 19901424 20516688 21145263 22389102 23081274 24790998 26249292 28193684 29852136 30775032 31608144 33054664 33583653 34999056 37186497 39373938 42290526 44778204 46162548 49581996 52498584 56387368 59704272 61550064 63435789 66109328 67167306 74372994 78747876 84581052 89556408 92325096 99163992 104997168 111559491 112774736 119823157 126871578 134334612 148745988 157495752 169162104 179112816 184650192 190307367 198327984 223118982 239646314 253743156 268669224 297491976 314991504 334678473 338324208 359469471 380614734 446237964 479292628 507486312 537338448 570922101 594983952 669356946 718938942 761229468 892475928 958585256 1014972624 1078408413 1141844202 1338713892 1437877884 1522458936 1784951856 1917170512 2156816826 2283688404 2677427784 2875755768 3044917872 3235225239 4313633652 4567376808 5354855568 5751511536 6470450478 8627267304 9134753616 9705675717 12940900956 17254534608 19411351434 25881801912 38822702868 51763603824 77645405736 155290811472
• Sum of all divisors σ(n): 494596357200
• Sum of proper divisors (its aliquot sum) s(n): 339305545728
• 155290811472 is an abundant number, because the sum of its proper divisors (339305545728) is greater than itself. Its abundance is 184014734256

Bases of 155290811472

• Binary: 10010000101000000011011011110001010000₂
• Hexadecimal: 0x24280DBC50
• Base-36: 1ZC85100

Squares and roots of 155290811472

• 155290811472 squared (155290811472²) is 24115236127632246806784
• 155290811472 cubed (155290811472³) is 3744874587098902568620068154626048
• The square root of 155290811472 is 394069.5515667253
• The cube root of 155290811472 is 5375.0427135975

Scales and comparisons

• 155,290,811,472 seconds is equal to 4,937 years, 39 weeks, 6 days, 8 hours, 31 minutes, 12 seconds.
• To count from 1 to 155,290,811,472 would take you about nine thousand, eight hundred seventy-five 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 155290811472 cubic inches would be around 447.9 feet tall.

Recreational maths with 155290811472

• 155290811472 backwards is 274118092551
• The number of decimal digits it has is: 12
• The sum of 155290811472's digits is 45
• More coming soon!