138640261848

Names of 138640261848

• Cardinal: 138640261848 can be written as One hundred thirty-eight billion, six hundred forty million, two hundred sixty-one thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 1.38640261848 × 10¹¹

Factors of 138640261848

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 907

Divisors of 138640261848

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 37 43 44 66 74 86 88 111 121 129 132 148 172 222 242 258 264 296 344 363 407 444 473 484 516 726 811 814 888 946 968 1032 1221 1369 1419 1452 1591 1622 1628 1892 2433 2442 2738 2838 2904 3182 3244 3256 3784 4107 4477 4773 4866 4884 5203 5476 5676 6364 6488 8214 8921 8954 9546 9732 9768 10406 10952 11352 12728 13431 15059 15609 16428 17501 17842 17908 19092 19464 20812 26763 26862 30007 30118 31218 32856 34873 35002 35684 35816 38184 41624 45177 52503 53526 53724 58867 60014 60236 62436 69746 70004 71368 90021 90354 98131 104619 105006 107052 107448 117734 120028 120472 124872 139492 140008 165649 176601 180042 180708 192511 196262 209238 210012 214104 235468 240056 278984 294393 330077 331298 353202 360084 361416 383603 385022 392524 418476 420024 470936 496947 577533 588786 647537 660154 662596 706404 720168 767206 770044 785048 836952 990231 993894 1110259 1150809 1155066 1177572 1290301 1295074 1320308 1325192 1412808 1534412 1540088 1942611 1980462 1987788 2220518 2301618 2310132 2355144 2580602 2590148 2640616 3068824 3330777 3630847 3870903 3885222 3960924 3975576 4219633 4441036 4603236 4620264 5161204 5180296 6661554 7122907 7261694 7741806 7770444 7921848 8439266 8882072 9206472 10322408 10892541 12212849 12658899 13323108 14193311 14245814 14523388 15483612 15540888 16878532 21368721 21785082 24425698 25317798 26646216 28386622 28491628 29046776 30967224 33757064 36638547 42579933 42737442 43570164 47741137 48851396 50635596 56773244 56983256 73277094 85159866 85474884 87140328 95482274 97702792 101271192 113546488 134341339 143223411 146554188 156126421 170319732 170949768 190964548 268682678 286446822 293108376 312252842 340639464 381929096 403024017 468379263 525152507 537365356 572893644 624505684 806048034 936758526 1050305014 1074730712 1145787288 1249011368 1575457521 1612096068 1873517052 2100610028 3150915042 3224192136 3747034104 4201220056 5776677577 6301830084 11553355154 12603660168 17330032731 23106710308 34660065462 46213420616 69320130924 138640261848
• Sum of all divisors σ(n): 401148982080
• Sum of proper divisors (its aliquot sum) s(n): 262508720232
• 138640261848 is an abundant number, because the sum of its proper divisors (262508720232) is greater than itself. Its abundance is 123868458384

Bases of 138640261848

• Binary: 10000001000111100110101000001011011000₂
• Hexadecimal: 0x20479A82D8
• Base-36: 1ROUTYOO

Squares and roots of 138640261848

• 138640261848 squared (138640261848²) is 19221122205282004375104
• 138640261848 cubed (138640261848³) is 2664821415552704295246700172232192
• The square root of 138640261848 is 372344.2786561921
• The cube root of 138640261848 is 5175.6288294087

Scales and comparisons

• 138,640,261,848 seconds is equal to 4,408 years, 17 weeks, 1 day, 15 hours, 50 minutes, 48 seconds.
• To count from 1 to 138,640,261,848 would take you about eight thousand, eight hundred sixteen 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 138640261848 cubic inches would be around 431.3 feet tall.

Recreational maths with 138640261848

• 138640261848 backwards is 848162046831
• The number of decimal digits it has is: 12
• The sum of 138640261848's digits is 51
• More coming soon!