90081428752

Names of 90081428752

• Cardinal: 90081428752 can be written as Ninety billion, eighty-one million, four hundred twenty-eight thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 9.0081428752 × 10¹⁰

Factors of 90081428752

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1769

Divisors of 90081428752

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 631 1129 1262 2258 2524 4417 4516 5048 7903 8834 9032 10096 15806 17668 18064 31612 35336 63224 70672 126448 712399 1274641 1424798 2549282 2849596 4986793 5098564 5699192 8922487 9973586 10197128 11398384 17844974 19947172 20394256 35689948 39894344 71379896 79788688 142759792 804298471 1608596942 3217193884 5630089297 6434387768 11260178594 12868775536 22520357188 45040714376 90081428752
• Sum of all divisors σ(n): 199959243456
• Sum of proper divisors (its aliquot sum) s(n): 109877814704
• 90081428752 is an abundant number, because the sum of its proper divisors (109877814704) is greater than itself. Its abundance is 19796385952

Bases of 90081428752

• Binary: 1010011111001010001011000010100010000₂
• Hexadecimal: 0x14F9458510
• Base-36: 15DS5N9S

Squares and roots of 90081428752

• 90081428752 squared (90081428752²) is 8114663806001652277504
• 90081428752 cubed (90081428752³) is 730980509486770989630255108395008
• The square root of 90081428752 is 300135.6839031307
• The cube root of 90081428752 is 4482.7558769163

Scales and comparisons

• 90,081,428,752 seconds is equal to 2,864 years, 16 weeks, 1 day, 3 hours, 5 minutes, 52 seconds.
• To count from 1 to 90,081,428,752 would take you about five thousand, seven hundred twenty-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 90081428752 cubic inches would be around 373.6 feet tall.

Recreational maths with 90081428752

• 90081428752 backwards is 25782418009
• The number of decimal digits it has is: 11
• The sum of 90081428752's digits is 46
• More coming soon!