138064632680

Names of 138064632680

• Cardinal: 138064632680 can be written as One hundred thirty-eight billion, sixty-four million, six hundred thirty-two thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.3806463268 × 10¹¹

Factors of 138064632680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 23831

Divisors of 138064632680

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 59 65 104 118 130 191 236 260 295 382 472 520 590 764 767 955 1180 1528 1534 1910 2360 2483 3068 3820 3835 4966 6136 7640 7670 9932 11269 12415 15340 19864 22538 23561 24830 30680 45076 47122 49660 56345 90152 94244 99320 112690 117805 146497 188488 225380 235610 292994 306293 450760 471220 585988 612586 732485 942440 1171976 1225172 1390099 1464970 1531465 2450344 2780198 2929940 3062930 4500151 5560396 5859880 6125860 6950495 9000302 11120792 12251720 13900990 18000604 18071287 22500755 27801980 36001208 36142574 45001510 55603960 58501963 72285148 90003020 90356435 117003926 144570296 180006040 180712870 234007852 265508909 292509815 361425740 468015704 531017818 585019630 722851480 1062035636 1170039260 1327544545 2124071272 2340078520 2655089090 3451615817 5310178180 6903231634 10620356360 13806463268 17258079085 27612926536 34516158170 69032316340 138064632680
• Sum of all divisors σ(n): 342007142400
• Sum of proper divisors (its aliquot sum) s(n): 203942509720
• 138064632680 is an abundant number, because the sum of its proper divisors (203942509720) is greater than itself. Its abundance is 65877877040

Bases of 138064632680

• Binary: 10000000100101010010110001101101101000₂
• Hexadecimal: 0x20254B1B68
• Base-36: 1RFC48DK

Squares and roots of 138064632680

• 138064632680 squared (138064632680²) is 19061842797063323982400
• 138064632680 cubed (138064632680³) is 2631766323980451608329890784832000
• The square root of 138064632680 is 371570.4948996893
• The cube root of 138064632680 is 5168.4558873659

Scales and comparisons

• 138,064,632,680 seconds is equal to 4,390 years, 1 week, 3 days, 6 hours, 51 minutes, 20 seconds.
• To count from 1 to 138,064,632,680 would take you about eight thousand, seven hundred eighty 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 138064632680 cubic inches would be around 430.7 feet tall.

Recreational maths with 138064632680

• 138064632680 backwards is 086236460831
• The number of decimal digits it has is: 12
• The sum of 138064632680's digits is 47
• More coming soon!