90138188664

Names of 90138188664

• Cardinal: 90138188664 can be written as Ninety billion, one hundred thirty-eight million, one hundred eighty-eight thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 9.0138188664 × 10¹⁰

Factors of 90138188664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 816

Divisors of 90138188664

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 61 68 72 81 102 108 122 136 153 162 183 204 216 243 244 306 324 366 408 459 486 488 549 612 648 732 733 918 972 1037 1098 1224 1377 1464 1466 1647 1836 1944 2074 2196 2199 2754 2932 3111 3294 3672 3721 4131 4148 4392 4398 4941 5508 5864 6222 6588 6597 7442 8262 8296 8796 9333 9882 11016 11163 12444 12461 13176 13194 14823 14884 16524 17592 18666 19764 19791 22326 24888 24922 26388 27999 29646 29768 33048 33489 37332 37383 39528 39582 44652 44713 49844 52776 55998 59292 59373 63257 66978 74664 74766 79164 83997 89304 89426 99688 100467 111996 112149 118584 118746 126514 133956 134139 149532 158328 167994 178119 178852 189771 200934 223992 224298 237492 251991 253028 267912 268278 299064 301401 335988 336447 356238 357704 379542 401868 402417 448596 474984 503982 506056 536556 569313 602802 671976 672894 712476 759084 760121 803736 804834 897192 904203 1007964 1009341 1073112 1138626 1205604 1207251 1345788 1424952 1518168 1520242 1609668 1707939 1808406 2015928 2018682 2277252 2280363 2411208 2414502 2691576 2727493 3028023 3040484 3219336 3415878 3616812 3621753 4037364 4554504 4560726 4829004 5123817 5454986 6056046 6080968 6831756 6841089 7233624 7243506 8074728 8182479 9121452 9658008 10247634 10865259 10909972 12112092 13663512 13682178 14487012 15371451 16364958 18242904 20495268 20523267 21730518 21819944 24224184 24547437 27364356 28974024 30742902 32729916 40990536 41046534 43461036 46367381 49094874 54728712 61485804 61569801 65459832 73642311 82093068 86922072 92734762 98189748 122971608 123139602 139102143 147284622 164186136 184709403 185469524 196379496 220926933 246279204 278204286 294569244 369418806 370939048 417306429 441853866 492558408 556408572 589138488 662780799 738837612 834612858 883707732 1112817144 1251919287 1325561598 1477675224 1669225716 1767415464 2503838574 2651123196 3338451432 3755757861 5007677148 5302246392 7511515722 10015354296 11267273583 15023031444 22534547166 30046062888 45069094332 90138188664
• Sum of all divisors σ(n): 272896238160
• Sum of proper divisors (its aliquot sum) s(n): 182758049496
• 90138188664 is an abundant number, because the sum of its proper divisors (182758049496) is greater than itself. Its abundance is 92619860832

Bases of 90138188664

• Binary: 1010011111100101001111001101101111000₂
• Hexadecimal: 0x14FCA79B78
• Base-36: 15EPY7I0

Squares and roots of 90138188664

• 90138188664 squared (90138188664²) is 8124893055626858104896
• 90138188664 cubed (90138188664³) is 732363143122917182644673150098944
• The square root of 90138188664 is 300230.2260999049
• The cube root of 90138188664 is 4483.6972008223

Scales and comparisons

• 90,138,188,664 seconds is equal to 2,866 years, 6 weeks, 1 hour, 44 minutes, 24 seconds.
• To count from 1 to 90,138,188,664 would take you about five thousand, seven hundred thirty-two 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 90138188664 cubic inches would be around 373.6 feet tall.

Recreational maths with 90138188664

• 90138188664 backwards is 46688183109
• 90138188664 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90138188664's digits is 54
• More coming soon!