138539901760

Names of 138539901760

• Cardinal: 138539901760 can be written as One hundred thirty-eight billion, five hundred thirty-nine million, nine hundred one thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.3853990176 × 10¹¹

Factors of 138539901760

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12482

Divisors of 138539901760

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 832 1040 2080 3881 4160 7762 8581 15524 17162 19405 31048 34324 38810 42905 50453 62096 68648 77620 85810 100906 111553 124192 137296 155240 171620 201812 223106 248384 252265 274592 310480 343240 403624 446212 504530 549184 557765 620960 686480 807248 892424 1009060 1115530 1241920 1372960 1614496 1784848 2018120 2231060 2745920 3228992 3569696 4036240 4462120 7139392 8072480 8924240 16144960 17848480 33302861 35696960 66605722 133211444 166514305 266422888 333028610 432937193 532845776 666057220 865874386 1065691552 1332114440 1731748772 2131383104 2164685965 2664228880 3463497544 4329371930 5328457760 6926995088 8658743860 10656915520 13853990176 17317487720 27707980352 34634975440 69269950880 138539901760
• Sum of all divisors σ(n): 355407876432
• Sum of proper divisors (its aliquot sum) s(n): 216867974672
• 138539901760 is an abundant number, because the sum of its proper divisors (216867974672) is greater than itself. Its abundance is 78328072912

Bases of 138539901760

• Binary: 10000001000001100111110010001101000000₂
• Hexadecimal: 0x20419F2340
• Base-36: 1RN72WCG

Squares and roots of 138539901760

• 138539901760 squared (138539901760²) is 19193304379670451097600
• 138539901760 cubed (138539901760³) is 2659038503209322036236388171776000
• The square root of 138539901760 is 372209.4863917361
• The cube root of 138539901760 is 5174.3796685855

Scales and comparisons

• 138,539,901,760 seconds is equal to 4,405 years, 7 weeks, 2 days, 2 hours, 2 minutes, 40 seconds.
• To count from 1 to 138,539,901,760 would take you about eight thousand, eight hundred ten 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 138539901760 cubic inches would be around 431.2 feet tall.

Recreational maths with 138539901760

• 138539901760 backwards is 067109935831
• 138539901760 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138539901760's digits is 52
• More coming soon!