20748900090078

Names of 20748900090078

• Cardinal: 20748900090078 can be written as Twenty trillion, seven hundred forty-eight billion, nine hundred million, ninety thousand and seventy-eight.

Scientific notation

• Scientific notation: 2.0748900090078 × 10¹³

Factors of 20748900090078

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2445720

Divisors of 20748900090078

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 8297 16594 24891 49782 74673 149346 157643 224019 315286 448038 472929 945858 1418787 2437399 2837574 4256361 4874798 7312197 8512722 14624394 21936591 43873182 46310581 65809773 92621162 131619546 138931743 277863486 416795229 833590458 1250385687 2500771374 20223099503 40446199006 60669298509 121338597018 182007895527 364015791054 384238890557 546023686581 768477781114 1092047373162 1152716671671 2305433343342 3458150015013 6916300030026 10374450045039 20748900090078
• Sum of all divisors σ(n): 48541308480000
• Sum of proper divisors (its aliquot sum) s(n): 27792408389922
• 20748900090078 is an abundant number, because the sum of its proper divisors (27792408389922) is greater than itself. Its abundance is 7043508299844

Bases of 20748900090078

• Binary: 100101101111011111010110100011100000011011110₂
• Hexadecimal: 0x12DEFAD1C0DE
• Base-36: 7CRWVE57I

Squares and roots of 20748900090078

• 20748900090078 squared (20748900090078²) is 430516854948038836514046084
• 20748900090078 cubed (20748900090078³) is 8932751210411460274955733107819843154552
• The square root of 20748900090078 is 4555096.0571735477
• The cube root of 20748900090078 is 27478.8377532555

Scales and comparisons

• 20,748,900,090,078 seconds is equal to 659,750 years, 43 weeks, 5 days, 14 hours, 21 minutes, 18 seconds.
• To count from 1 to 20,748,900,090,078 would take you about one million, six hundred forty-nine thousand, three hundred seventy-seven 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 20748900090078 cubic inches would be around 2289.9 feet tall.

Recreational maths with 20748900090078

• 20748900090078 backwards is 87009000984702
• 20748900090078 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20748900090078's digits is 54
• More coming soon!