155408361264

Names of 155408361264

• Cardinal: 155408361264 can be written as One hundred fifty-five billion, four hundred eight million, three hundred sixty-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.55408361264 × 10¹¹

Factors of 155408361264

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2195

Divisors of 155408361264

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 36 39 48 52 54 62 72 78 81 93 104 108 117 124 144 149 156 162 186 208 216 234 248 279 298 312 324 351 372 403 432 447 468 496 558 596 624 648 702 744 806 837 894 936 1053 1116 1192 1209 1296 1341 1404 1488 1612 1674 1788 1872 1937 1997 2106 2232 2384 2418 2511 2682 2808 3224 3348 3576 3627 3874 3994 4023 4212 4464 4619 4836 5022 5364 5616 5811 5991 6448 6696 7152 7254 7748 7988 8046 8424 9238 9672 10044 10728 10881 11622 11982 12069 13392 13857 14508 15496 15976 16092 16848 17433 17973 18476 19344 20088 21456 21762 23244 23964 24138 25961 27714 29016 30992 31952 32184 32643 34866 35946 36952 40176 41571 43524 46488 47928 48276 51922 52299 53919 55428 58032 60047 61907 64368 65286 69732 71892 73904 77883 83142 87048 92976 95856 96552 103844 104598 107838 110856 120094 123814 124713 130572 139464 143784 155766 156897 161757 166284 174096 180141 185721 193104 207688 209196 215676 221712 233649 240188 247628 249426 261144 278928 287568 297553 311532 313794 323514 332568 360282 371442 374139 415376 418392 431352 467298 480376 495256 498852 522288 540423 557163 595106 623064 627588 647028 665136 700947 720564 742884 748278 804791 836784 862704 892659 934596 960752 990512 997704 1080846 1114326 1190212 1246128 1255176 1294056 1401894 1441128 1485768 1496556 1609582 1621269 1671489 1785318 1869192 1995408 2102841 2161692 2228652 2380424 2414373 2510352 2588112 2677977 2803788 2882256 2971536 2993112 3219164 3242538 3342978 3570636 3738384 3868189 4205682 4323384 4457304 4760848 4828746 4863807 5014467 5355954 5607576 5986224 6438328 6485076 6685956 7141272 7243119 7736378 8033931 8411364 8646768 8914608 9224143 9657492 9727614 10028934 10711908 11215152 11604567 12876656 12970152 13371912 14282544 14486238 15472756 16067862 16822728 18448286 19314984 19455228 20057868 21423816 21729357 23209134 24101793 25940304 26743824 27672429 28972476 30945512 32135724 33645456 34813701 36896572 38629968 38910456 40115736 42847632 43458714 46418268 48203586 55344858 57944952 61891024 64271448 65188071 69627402 73793144 77820912 80231472 83017287 86917428 92836536 96407172 104441103 110689716 115889904 119913859 128542896 130376142 139254804 147586288 166034574 173834856 185673072 192814344 208882206 221379432 239827718 249051861 260752284 278509608 313323309 332069148 347669712 359741577 385628688 417764412 442758864 479655436 498103722 521504568 557019216 626646618 664138296 719483154 747155583 835528824 959310872 996207444 1043009136 1079224731 1253293236 1328276592 1438966308 1494311166 1671057648 1918621744 1992414888 2158449462 2506586472 2877932616 2988622332 3237674193 3984829776 4316898924 5013172944 5755865232 5977244664 6475348386 8633797848 9713022579 11954489328 12950696772 17267595696 19426045158 25901393544 38852090316 51802787088 77704180632 155408361264
• Sum of all divisors σ(n): 503630265600
• Sum of proper divisors (its aliquot sum) s(n): 348221904336
• 155408361264 is an abundant number, because the sum of its proper divisors (348221904336) is greater than itself. Its abundance is 192813543072

Bases of 155408361264

• Binary: 10010000101111000011110110011100110000₂
• Hexadecimal: 0x242F0F6730
• Base-36: 1ZE64J00

Squares and roots of 155408361264

• 155408361264 squared (155408361264²) is 24151758750761935677696
• 155408361264 cubed (155408361264³) is 3753385249099384235059310635167744
• The square root of 155408361264 is 394218.6718865559
• The cube root of 155408361264 is 5376.3986122245

Scales and comparisons

• 155,408,361,264 seconds is equal to 4,941 years, 26 weeks, 1 day, 21 hours, 14 minutes, 24 seconds.
• To count from 1 to 155,408,361,264 would take you about nine thousand, eight hundred eighty-three 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 155408361264 cubic inches would be around 448 feet tall.

Recreational maths with 155408361264

• 155408361264 backwards is 462163804551
• The number of decimal digits it has is: 12
• The sum of 155408361264's digits is 45
• More coming soon!