61142445

Names of 61142445

• Cardinal: 61142445 can be written as Sixty-one million, one hundred forty-two thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 6.1142445 × 10⁷

Factors of 61142445

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 107

Divisors of 61142445

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 45 49 63 65 79 81 91 105 117 135 147 189 195 237 243 245 273 315 351 395 405 441 455 553 567 585 637 711 735 819 945 1027 1053 1185 1215 1323 1365 1659 1701 1755 1911 2133 2205 2457 2765 2835 3081 3159 3185 3555 3871 3969 4095 4977 5135 5265 5733 6399 6615 7189 7371 8295 8505 9243 9555 10665 11613 11907 12285 14931 15405 15795 17199 19197 19355 19845 21567 22113 24885 27729 28665 31995 34839 35945 36855 44793 46215 50323 51597 58065 59535 64701 74655 83187 85995 95985 104517 107835 110565 134379 138645 150969 154791 174195 194103 223965 249561 251615 257985 313551 323505 415935 452907 522585 582309 671895 754845 773955 940653 970515 1247805 1358721 1567755 1746927 2264535 2911545 4076163 4703265 6793605 8734635 12228489 20380815 61142445
• Sum of all divisors σ(n): 139426560
• Sum of proper divisors (its aliquot sum) s(n): 78284115
• 61142445 is an abundant number, because the sum of its proper divisors (78284115) is greater than itself. Its abundance is 17141670

Bases of 61142445

• Binary: 11101001001111010110101101₂
• Hexadecimal: 0x3A4F5AD
• Base-36: 10EHT9

Squares and roots of 61142445

• 61142445 squared (61142445²) is 3738398580578025
• 61142445 cubed (61142445³) is 228574829601069961771125
• The square root of 61142445 is 7819.3634651421
• The cube root of 61142445 is 393.9558923199

Scales and comparisons

• 61,142,445 seconds is equal to 1 year, 49 weeks, 16 hours, 45 seconds.
• To count from 1 to 61,142,445 would take you about two 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 61142445 cubic inches would be around 32.8 feet tall.

Recreational maths with 61142445

• 61142445 backwards is 54424116
• 61142445 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 61142445's digits is 27
• More coming soon!