161338697136

Names of 161338697136

• Cardinal: 161338697136 can be written as One hundred sixty-one billion, three hundred thirty-eight million, six hundred ninety-seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.61338697136 × 10¹¹

Factors of 161338697136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6120

Divisors of 161338697136

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 37 48 71 72 74 111 142 144 148 213 222 284 296 333 426 444 568 592 639 666 852 888 1136 1278 1332 1704 1776 2556 2627 2664 3408 5041 5112 5254 5328 6007 7881 10082 10224 10508 12014 15123 15762 18021 20164 21016 23643 24028 30246 31524 36042 40328 42032 45369 47286 48056 54063 60492 63048 72084 80656 90738 94572 96112 108126 120984 126096 144168 181476 186517 189144 216252 222259 241968 288336 362952 373034 378288 426497 432504 444518 559551 666777 725904 746068 852994 865008 889036 1119102 1279491 1333554 1492136 1678653 1705988 1778072 2000331 2238204 2558982 2667108 2984272 3357306 3411976 3556144 3838473 4000662 4476408 5117964 5334216 6714612 6823952 7676946 8001324 8952816 10235928 10668432 13429224 15353892 15780389 16002648 20471856 26858448 30281287 30707784 31560778 32005296 47341167 60562574 61415568 63121556 90843861 94682334 121125148 126243112 142023501 181687722 189364668 242250296 252486224 272531583 284047002 363375444 378729336 484500592 545063166 568094004 726750888 757458672 1090126332 1120407619 1136188008 1453501776 2180252664 2240815238 2272376016 3361222857 4360505328 4481630476 6722445714 8963260952 10083668571 13444891428 17926521904 20167337142 26889782856 40334674284 53779565712 80669348568 161338697136
• Sum of all divisors σ(n): 470429295856
• Sum of proper divisors (its aliquot sum) s(n): 309090598720
• 161338697136 is an abundant number, because the sum of its proper divisors (309090598720) is greater than itself. Its abundance is 147751901584

Bases of 161338697136

• Binary: 10010110010000100010010010010110110000₂
• Hexadecimal: 0x25908925B0
• Base-36: 2248W7G0

Squares and roots of 161338697136

• 161338697136 squared (161338697136²) is 26030175193541934602496
• 161338697136 cubed (161338697136³) is 4199674551947882369947620693651456
• The square root of 161338697136 is 401669.8857718861
• The cube root of 161338697136 is 5443.9339643883

Scales and comparisons

• 161,338,697,136 seconds is equal to 5,130 years, 3 weeks, 5 days, 45 minutes, 36 seconds.
• To count from 1 to 161,338,697,136 would take you about ten thousand, two hundred sixty 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 161338697136 cubic inches would be around 453.7 feet tall.

Recreational maths with 161338697136

• 161338697136 backwards is 631796833161
• The number of decimal digits it has is: 12
• The sum of 161338697136's digits is 54
• More coming soon!