161638090704

Names of 161638090704

• Cardinal: 161638090704 can be written as One hundred sixty-one billion, six hundred thirty-eight million, ninety thousand, seven hundred four.

Scientific notation

• Scientific notation: 1.61638090704 × 10¹¹

Factors of 161638090704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1391

Divisors of 161638090704

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 59 72 81 108 118 144 162 177 216 236 243 324 354 432 472 486 531 648 708 729 944 972 1062 1296 1327 1416 1458 1593 1944 2124 2187 2654 2832 2916 3186 3481 3888 3981 4248 4374 4779 5308 5832 6372 6962 7962 8496 8748 9558 10443 10616 11664 11943 12744 13924 14337 15924 17496 19116 20886 21232 23886 25488 27848 28674 31329 31848 34992 35829 38232 41772 43011 47772 55696 57348 62658 63696 71658 76464 78293 83544 86022 93987 95544 107487 114696 125316 129033 143316 156586 167088 172044 187974 191088 214974 229392 234879 250632 258066 281961 286632 313172 322461 344088 375948 429948 469758 501264 516132 563922 573264 626344 644922 688176 704637 751896 845883 859896 939516 967383 1032264 1127844 1252688 1289844 1409274 1503792 1691766 1719792 1879032 1934766 2064528 2113911 2255688 2537649 2579688 2818548 2902149 3383532 3758064 3869532 4227822 4511376 4619287 5075298 5159376 5637096 5804298 6341733 6767064 7612947 7739064 8455644 9238574 10150596 11274192 11608596 12683466 13534128 13857861 15225894 15478128 16911288 18477148 19025199 20301192 23217192 25366932 27715722 30451788 33822576 36954296 38050398 40602384 41573583 46434384 50733864 55431444 57075597 60903576 73908592 76100796 83147166 101467728 110862888 114151194 121807152 124720749 152201592 166294332 171226791 221725776 228302388 249441498 304403184 332588664 342453582 374162247 456604776 498882996 665177328 684907164 748324494 913209552 997765992 1122486741 1369814328 1496648988 1995531984 2244973482 2739628656 2993297976 3367460223 4489946964 5986595952 6734920446 8979893928 10102380669 13469840892 17959787856 20204761338 26939681784 40409522676 53879363568 80819045352 161638090704
• Sum of all divisors σ(n): 478144912640
• Sum of proper divisors (its aliquot sum) s(n): 316506821936
• 161638090704 is an abundant number, because the sum of its proper divisors (316506821936) is greater than itself. Its abundance is 154868731232

Bases of 161638090704

• Binary: 10010110100010011000011000011111010000₂
• Hexadecimal: 0x25A26187D0
• Base-36: 22975900

Squares and roots of 161638090704

• 161638090704 squared (161638090704²) is 26126872366434531215616
• 161638090704 cubed (161638090704³) is 4223097765377575881707458389233664
• The square root of 161638090704 is 402042.3991372055
• The cube root of 161638090704 is 5447.2992898409

Scales and comparisons

• 161,638,090,704 seconds is equal to 5,139 years, 30 weeks, 5 days, 5 hours, 38 minutes, 24 seconds.
• To count from 1 to 161,638,090,704 would take you about ten thousand, two hundred seventy-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 161638090704 cubic inches would be around 453.9 feet tall.

Recreational maths with 161638090704

• 161638090704 backwards is 407090836161
• The number of decimal digits it has is: 12
• The sum of 161638090704's digits is 45
• More coming soon!