138764840472

Names of 138764840472

• Cardinal: 138764840472 can be written as One hundred thirty-eight billion, seven hundred sixty-four million, eight hundred forty thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.38764840472 × 10¹¹

Factors of 138764840472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1387

Divisors of 138764840472

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 79 108 158 216 237 316 474 632 711 948 1303 1422 1896 2133 2606 2844 3909 4266 5212 5688 6241 7818 8532 10424 11727 12482 15636 17064 18723 23454 24964 31272 35181 37446 46908 49928 56169 70362 74892 93816 102937 112338 140724 149784 168507 205874 224676 281448 308811 337014 411748 449352 493039 617622 674028 823496 926433 986078 1235244 1348056 1479117 1852866 1972156 2470488 2779299 2958234 3705732 3944312 4437351 5558598 5916468 7411464 8132023 8874702 11117196 11832936 13312053 16264046 17749404 22234392 24396069 26624106 32528092 35498808 48792138 53248212 65056184 73188207 97584276 106496424 146376414 195168552 219564621 292752828 439129242 585505656 642429817 878258484 1284859634 1756516968 1927289451 2569719268 3854578902 5139438536 5781868353 7709157804 11563736706 15418315608 17345605059 23127473412 34691210118 46254946824 69382420236 138764840472
• Sum of all divisors σ(n): 390699264000
• Sum of proper divisors (its aliquot sum) s(n): 251934423528
• 138764840472 is an abundant number, because the sum of its proper divisors (251934423528) is greater than itself. Its abundance is 113169583056

Bases of 138764840472

• Binary: 10000001001111000001110110111000011000₂
• Hexadecimal: 0x204F076E18
• Base-36: 1RQX0460

Squares and roots of 138764840472

• 138764840472 squared (138764840472²) is 19255680951219609182784
• 138764840472 cubed (138764840472³) is 2672011495375718282087208048834048
• The square root of 138764840472 is 372511.5306564351
• The cube root of 138764840472 is 5177.1785949199

Scales and comparisons

• 138,764,840,472 seconds is equal to 4,412 years, 15 weeks, 1 day, 13 hours, 1 minute, 12 seconds.
• To count from 1 to 138,764,840,472 would take you about eight thousand, eight hundred twenty-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 138764840472 cubic inches would be around 431.4 feet tall.

Recreational maths with 138764840472

• 138764840472 backwards is 274048467831
• 138764840472 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138764840472's digits is 54
• More coming soon!