20820299040

Names of 20820299040

• Cardinal: 20820299040 can be written as Twenty billion, eight hundred twenty million, two hundred ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 2.082029904 × 10¹⁰

Factors of 20820299040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14458551

Divisors of 20820299040

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 14458541 28917082 43375623 57834164 72292705 86751246 115668328 130126869 144585410 173502492 216878115 231336656 260253738 289170820 347004984 433756230 462673312 520507476 578341640 650634345 694009968 867512460 1041014952 1156683280 1301268690 1388019936 1735024920 2082029904 2313366560 2602537380 3470049840 4164059808 5205074760 6940099680 10410149520 20820299040
• Sum of all divisors σ(n): 71049275388
• Sum of proper divisors (its aliquot sum) s(n): 50228976348
• 20820299040 is an abundant number, because the sum of its proper divisors (50228976348) is greater than itself. Its abundance is 29408677308

Bases of 20820299040

• Binary: 10011011000111111001000110100100000₂
• Hexadecimal: 0x4D8FC8D20
• Base-36: 9KBV9K0

Squares and roots of 20820299040

• 20820299040 squared (20820299040²) is 433484852115024921600
• 20820299040 cubed (20820299040³) is 9025284250344995344764555264000
• The square root of 20820299040 is 144292.4081162969
• The cube root of 20820299040 is 2751.0320771851

Scales and comparisons

• 20,820,299,040 seconds is equal to 662 years, 1 week, 16 hours, 24 minutes.
• To count from 1 to 20,820,299,040 would take you about one thousand, three hundred twenty-four 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 20820299040 cubic inches would be around 229.3 feet tall.

Recreational maths with 20820299040

• 20820299040 backwards is 04099202802
• 20820299040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20820299040's digits is 36
• More coming soon!