20976849920

Names of 20976849920

• Cardinal: 20976849920 can be written as Twenty billion, nine hundred seventy-six million, eight hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.097684992 × 10¹⁰

Factors of 20976849920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2922

Divisors of 20976849920

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 113 128 130 160 208 226 256 260 320 416 452 512 520 565 640 832 904 1024 1040 1130 1280 1469 1664 1808 2080 2260 2560 2789 2938 3328 3616 4160 4520 5120 5578 5876 6656 7232 7345 8320 9040 11156 11752 13312 13945 14464 14690 16640 18080 22312 23504 27890 28928 29380 33280 36160 36257 44624 47008 55780 57856 58760 66560 72320 72514 89248 94016 111560 115712 117520 144640 145028 178496 181285 188032 223120 235040 289280 290056 315157 356992 362570 376064 446240 470080 578560 580112 630314 713984 725140 752128 892480 940160 1160224 1260628 1427968 1450280 1504256 1575785 1784960 1880320 2320448 2521256 2855936 2900560 3151570 3569920 3760640 4097041 4640896 5042512 5801120 6303140 7139840 7521280 8194082 9281792 10085024 11602240 12606280 14279680 16388164 18563584 20170048 20485205 23204480 25212560 32776328 37127168 40340096 40970410 46408960 50425120 65552656 80680192 81940820 92817920 100850240 131105312 161360384 163881640 185635840 201700480 262210624 322720768 327763280 403400960 524421248 655526560 806801920 1048842496 1311053120 1613603840 2097684992 2622106240 4195369984 5244212480 10488424960 20976849920
• Sum of all divisors σ(n): 54689780880
• Sum of proper divisors (its aliquot sum) s(n): 33712930960
• 20976849920 is an abundant number, because the sum of its proper divisors (33712930960) is greater than itself. Its abundance is 12736081040

Bases of 20976849920

• Binary: 10011100010010100010101010000000000₂
• Hexadecimal: 0x4E2515400
• Base-36: 9MX2OZK

Squares and roots of 20976849920

• 20976849920 squared (20976849920²) is 440028232566204006400
• 20976849920 cubed (20976849920³) is 9230406195104117906355519488000
• The square root of 20976849920 is 144833.8700718863
• The cube root of 20976849920 is 2757.9100049637

Scales and comparisons

• 20,976,849,920 seconds is equal to 666 years, 51 weeks, 6 days, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 20,976,849,920 would take you about one thousand, three hundred thirty-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 20976849920 cubic inches would be around 229.8 feet tall.

Recreational maths with 20976849920

• 20976849920 backwards is 02994867902
• The number of decimal digits it has is: 11
• The sum of 20976849920's digits is 56
• More coming soon!