61138513788

Names of 61138513788

• Cardinal: 61138513788 can be written as Sixty-one billion, one hundred thirty-eight million, five hundred thirteen thousand, seven hundred eighty-eight.

Scientific notation

• Scientific notation: 6.1138513788 × 10¹⁰

Factors of 61138513788

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3042

Divisors of 61138513788

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 71 102 132 137 142 187 204 213 274 284 374 411 426 548 561 748 781 822 852 1122 1207 1507 1562 1644 2244 2329 2343 2414 2801 3014 3124 3621 4521 4658 4686 4828 5602 6028 6987 7242 8403 9042 9316 9372 9727 11204 13277 13974 14484 16806 18084 19454 25619 26554 27948 29181 30811 33612 38908 39831 47617 51238 53108 58362 61622 76857 79662 92433 95234 102476 106997 116724 123244 142851 153714 159324 165359 184866 190468 198871 213994 285702 307428 320991 330718 369732 383737 397742 427988 496077 523787 571404 596613 641982 661436 767474 795484 992154 1047574 1151211 1193226 1283964 1534948 1571361 1818949 1984308 2095148 2187581 2302422 2386452 3142722 3380807 3637898 4221107 4375162 4604844 5456847 6285444 6523529 6562743 6761614 7275796 8442214 8750324 10142421 10913694 12663321 13047058 13125486 13523228 16884428 19570587 20284842 21827388 25326642 26094116 26250972 27245327 37188877 39141174 40569684 50653284 54490654 71758819 74377754 78282348 81735981 108981308 111566631 143517638 148755508 163471962 215276457 223133262 287035276 299698597 326943924 430552914 446266524 463170559 599397194 861105828 899095791 926341118 1198794388 1389511677 1798191582 1852682236 2779023354 3596383164 5094876149 5558046708 10189752298 15284628447 20379504596 30569256894 61138513788
• Sum of all divisors σ(n): 168380384256
• Sum of proper divisors (its aliquot sum) s(n): 107241870468
• 61138513788 is an abundant number, because the sum of its proper divisors (107241870468) is greater than itself. Its abundance is 46103356680

Bases of 61138513788

• Binary: 111000111100001000111010111101111100₂
• Hexadecimal: 0xE3C23AF7C
• Base-36: S34AJ5O

Squares and roots of 61138513788

• 61138513788 squared (61138513788²) is 3737917868205466108944
• 61138513788 cubed (61138513788³) is 228530743123691456518639454119872
• The square root of 61138513788 is 247262.0346676781
• The cube root of 61138513788 is 3939.4744888195

Scales and comparisons

• 61,138,513,788 seconds is equal to 1,944 years, 5 days, 16 hours, 29 minutes, 48 seconds.
• To count from 1 to 61,138,513,788 would take you about three thousand, eight hundred eighty-eight 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 61138513788 cubic inches would be around 328.3 feet tall.

Recreational maths with 61138513788

• 61138513788 backwards is 88731583116
• 61138513788 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61138513788's digits is 51
• More coming soon!