140978535138

Names of 140978535138

• Cardinal: 140978535138 can be written as One hundred forty billion, nine hundred seventy-eight million, five hundred thirty-five thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.40978535138 × 10¹¹

Factors of 140978535138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 442800

Divisors of 140978535138

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 38 42 49 57 63 98 114 126 133 147 171 266 294 342 361 399 441 722 798 882 931 1083 1197 1862 2166 2394 2527 2793 3249 5054 5586 6498 7581 8379 15162 16758 17689 22743 35378 45486 53067 106134 159201 318402 442769 885538 1328307 2656614 3099383 3984921 6198766 7969842 8412611 9298149 16825222 18596298 21695681 25237833 27894447 43391362 50475666 55788894 58888277 65087043 75713499 117776554 130174086 151426998 159839609 176664831 195261129 319679218 353329662 390522258 412217939 479518827 529994493 824435878 959037654 1059988986 1118877263 1236653817 1438556481 2237754526 2473307634 2877112962 3356631789 3709961451 6713263578 7419922902 7832140841 10069895367 15664281682 20139790734 23496422523 46992845046 70489267569 140978535138
• Sum of all divisors σ(n): 375009807510
• Sum of proper divisors (its aliquot sum) s(n): 234031272372
• 140978535138 is an abundant number, because the sum of its proper divisors (234031272372) is greater than itself. Its abundance is 93052737234

Bases of 140978535138

• Binary: 10000011010010111110011011101011100010₂
• Hexadecimal: 0x20D2F9BAE2
• Base-36: 1SRIZ9WI

Squares and roots of 140978535138

• 140978535138 squared (140978535138²) is 19874947369656300679044
• 140978535138 cubed (140978535138³) is 2801940966118991460263697814248072
• The square root of 140978535138 is 375471.0842901221
• The cube root of 140978535138 is 5204.5637343599

Scales and comparisons

• 140,978,535,138 seconds is equal to 4,482 years, 35 weeks, 3 days, 12 minutes, 18 seconds.
• To count from 1 to 140,978,535,138 would take you about eight thousand, nine hundred sixty-five 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 140978535138 cubic inches would be around 433.7 feet tall.

Recreational maths with 140978535138

• 140978535138 backwards is 831535879041
• The number of decimal digits it has is: 12
• The sum of 140978535138's digits is 54
• More coming soon!