61388740125

Names of 61388740125

• Cardinal: 61388740125 can be written as Sixty-one billion, three hundred eighty-eight million, seven hundred forty thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 6.1388740125 × 10¹⁰

Factors of 61388740125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 180

Divisors of 61388740125

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 5 9 15 25 45 75 83 89 125 225 249 267 375 415 445 747 801 1125 1245 1335 2075 2225 3735 4005 6225 6675 6889 7387 7921 10375 11125 18675 20025 20667 22161 23763 31125 33375 34445 36935 39605 62001 66483 71289 93375 100125 103335 110805 118815 172225 184675 198025 310005 332415 356445 516675 554025 594075 613121 657443 861125 923375 990125 1550025 1662075 1782225 1839363 1972329 2583375 2770125 2970375 3065605 3287215 5518089 5916987 7750125 8310375 8911125 9196815 9861645 15328025 16436075 27590445 29584935 45984075 49308225 54567769 76640125 82180375 137952225 147924675 163703307 229920375 246541125 272838845 491109921 689761125 739623375 818516535 1364194225 2455549605 4092582675 6820971125 12277748025 20462913375 61388740125
• Sum of all divisors σ(n): 113285505684
• Sum of proper divisors (its aliquot sum) s(n): 51896765559
• 61388740125 is a deficient number, because the sum of its proper divisors (51896765559) is less than itself. Its deficiency is 9491974566

Bases of 61388740125

• Binary: 111001001011000011011101011000011101₂
• Hexadecimal: 0xE4B0DD61D
• Base-36: S799R19

Squares and roots of 61388740125

• 61388740125 squared (61388740125²) is 3768577414134785015625
• 61388740125 cubed (61388740125³) is 231348219517264819046947189453125
• The square root of 61388740125 is 247767.5122468643
• The cube root of 61388740125 is 3944.8416375393

Scales and comparisons

• 61,388,740,125 seconds is equal to 1,951 years, 50 weeks, 3 days, 19 hours, 48 minutes, 45 seconds.
• To count from 1 to 61,388,740,125 would take you about three thousand, nine hundred three 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 61388740125 cubic inches would be around 328.7 feet tall.

Recreational maths with 61388740125

• 61388740125 backwards is 52104788316
• 61388740125 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61388740125's digits is 45
• More coming soon!