138221779356

Names of 138221779356

• Cardinal: 138221779356 can be written as One hundred thirty-eight billion, two hundred twenty-one million, seven hundred seventy-nine thousand, three hundred fifty-six.

Scientific notation

• Scientific notation: 1.38221779356 × 10¹¹

Factors of 138221779356

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 395

Divisors of 138221779356

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 359 372 558 718 961 1077 1116 1436 1922 2154 2883 3231 3844 4308 5766 6462 8649 11129 11532 12924 17298 22258 29791 33387 34596 44516 59582 66774 89373 100161 119164 128881 133548 178746 200322 257762 268119 344999 357492 386643 400644 515524 536238 689998 773286 1034997 1072476 1159929 1379996 1546572 2069994 2319858 3104991 3995311 4139988 4639716 6209982 7990622 10694969 11985933 12419964 15981244 21389938 23971866 32084907 35957799 42779876 47943732 64169814 71915598 96254721 123854641 128339628 143831196 192509442 247709282 371563923 385018884 495418564 743127846 1114691769 1486255692 2229383538 3839493871 4458767076 7678987742 11518481613 15357975484 23036963226 34555444839 46073926452 69110889678 138221779356
• Sum of all divisors σ(n): 362048499904
• Sum of proper divisors (its aliquot sum) s(n): 223826720548
• 138221779356 is an abundant number, because the sum of its proper divisors (223826720548) is greater than itself. Its abundance is 85604941192

Bases of 138221779356

• Binary: 10000000101110101010001111100110011100₂
• Hexadecimal: 0x202EA8F99C
• Base-36: 1RHXOFJ0

Squares and roots of 138221779356

• 138221779356 squared (138221779356²) is 19105260288338747774736
• 138221779356 cubed (138221779356³) is 2640763072113707334704895383150016
• The square root of 138221779356 is 371781.8975636117
• The cube root of 138221779356 is 5170.4160748711

Scales and comparisons

• 138,221,779,356 seconds is equal to 4,395 years, 1 week, 2 days, 2 hours, 42 minutes, 36 seconds.
• To count from 1 to 138,221,779,356 would take you about eight thousand, seven hundred ninety 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 138221779356 cubic inches would be around 430.9 feet tall.

Recreational maths with 138221779356

• 138221779356 backwards is 653977122831
• The number of decimal digits it has is: 12
• The sum of 138221779356's digits is 54
• More coming soon!