138915881496

Names of 138915881496

• Cardinal: 138915881496 can be written as One hundred thirty-eight billion, nine hundred fifteen million, eight hundred eighty-one thousand, four hundred ninety-six.

Scientific notation

• Scientific notation: 1.38915881496 × 10¹¹

Factors of 138915881496

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1167

Divisors of 138915881496

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 27 28 36 38 42 54 56 57 63 72 76 84 108 114 126 133 152 168 171 189 216 228 252 266 307 342 361 378 399 456 504 513 532 614 684 722 756 798 829 921 1026 1064 1083 1197 1228 1368 1444 1512 1596 1658 1842 2052 2149 2166 2394 2456 2487 2527 2763 2888 3192 3249 3316 3591 3684 4104 4298 4332 4788 4974 5054 5526 5803 5833 6447 6498 6632 7182 7368 7461 7581 8289 8596 8664 9576 9747 9948 10108 11052 11606 11666 12894 12996 14364 14922 15162 15751 16578 17192 17409 17499 19341 19494 19896 20216 22104 22383 22743 23212 23332 25788 25992 28728 29844 30324 31502 33156 34818 34998 38682 38988 40831 44766 45486 46424 46664 47253 51576 52227 52497 58023 59688 60648 63004 66312 68229 69636 69996 77364 77976 81662 89532 90972 94506 104454 104994 110257 110827 116046 122493 126008 136458 139272 139992 141759 154728 156681 157491 163324 179064 181944 189012 208908 209988 220514 221654 232092 244986 254503 272916 283518 299269 313362 314982 326648 330771 332481 367479 378024 417816 419976 425277 441028 443308 464184 489972 509006 545832 567036 598538 626724 629964 661542 664962 734958 763509 775789 850554 882056 886616 897807 979944 992313 997443 1018012 1102437 1134072 1197076 1253448 1259928 1323084 1329924 1469916 1527018 1551578 1701108 1781521 1795614 1984626 1994886 2036024 2094883 2204874 2290527 2327367 2394152 2646168 2659848 2693421 2939832 2976939 2992329 3054036 3103156 3402216 3563042 3591228 3969252 3989772 4189766 4409748 4581054 4654734 4835557 5344563 5386842 5953878 5984658 6108072 6206312 6284649 6871581 6982101 7126084 7182456 7938504 7979544 8080263 8379532 8819496 9162108 9309468 9671114 10689126 10773684 11907756 11969316 12569298 13743162 13964202 14252168 14506671 16033689 16160526 16759064 18324216 18618936 18853947 19342228 20946303 21378252 21547368 23815512 23938632 25138596 27486324 27928404 29013342 32067378 32321052 33848899 37707894 38684456 41892606 42756504 43520013 48101067 50277192 54972648 55856808 56561841 58026684 64134756 64642104 67697798 75415788 83785212 87040026 91875583 96202134 101546697 113123682 116053368 128269512 130560039 135395596 150831576 167570424 174080052 183751166 192404268 203093394 226247364 261120078 270791192 275626749 304640091 348160104 367502332 384808536 406186788 452494728 522240156 551253498 609280182 643129081 735004664 812373576 826880247 913920273 1044480312 1102506996 1218560364 1286258162 1653760494 1827840546 1929387243 2205013992 2437120728 2480640741 2572516324 3307520988 3655681092 3858774486 4961281482 5145032648 5788161729 6615041976 7311362184 7717548972 9922562964 11576323458 15435097944 17364485187 19845125928 23152646916 34728970374 46305293832 69457940748 138915881496
• Sum of all divisors σ(n): 467514432000
• Sum of proper divisors (its aliquot sum) s(n): 328598550504
• 138915881496 is an abundant number, because the sum of its proper divisors (328598550504) is greater than itself. Its abundance is 189682669008

Bases of 138915881496

• Binary: 10000001011000000010000010001000011000₂
• Hexadecimal: 0x2058082218
• Base-36: 1RTEXG60

Squares and roots of 138915881496

• 138915881496 squared (138915881496²) is 19297622131810715198016
• 138915881496 cubed (138915881496³) is 2680746189217204204350596830311936
• The square root of 138915881496 is 372714.2088732331
• The cube root of 138915881496 is 5179.0563107499

Scales and comparisons

• 138,915,881,496 seconds is equal to 4,417 years, 4 weeks, 6 days, 16 hours, 51 minutes, 36 seconds.
• To count from 1 to 138,915,881,496 would take you about eight thousand, eight hundred thirty-four 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 138915881496 cubic inches would be around 431.6 feet tall.

Recreational maths with 138915881496

• 138915881496 backwards is 694188519831
• 138915881496 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138915881496's digits is 63
• More coming soon!