20721890468000

Names of 20721890468000

• Cardinal: 20721890468000 can be written as Twenty trillion, seven hundred twenty-one billion, eight hundred ninety million, four hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 2.0721890468 × 10¹³

Factors of 20721890468000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 84146

Divisors of 20721890468000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 241 250 257 400 482 500 514 800 964 1000 1028 1205 1285 1928 2000 2056 2410 2570 3856 4000 4112 4820 5140 6025 6425 7712 8224 9640 10280 12050 12850 19280 20560 24100 25700 30125 32125 38560 41120 48200 51400 60250 61937 64250 83641 96400 102800 120500 123874 128500 167282 192800 205600 241000 247748 257000 309685 334564 418205 482000 495496 514000 619370 669128 836410 964000 990992 1028000 1238740 1338256 1548425 1672820 1981984 2091025 2477480 2676512 3096850 3345640 4182050 4954960 6193700 6691280 7742125 8364100 9909920 10455125 12387400 13382560 15484250 16728200 20157481 20910250 21495737 24774800 30968500 33456400 40314962 41820500 42991474 49549600 61937000 66912800 80629924 83641000 85982948 100787405 107478685 123874000 161259848 167282000 171965896 201574810 214957370 247748000 322519696 334564000 343931792 403149620 429914740 503937025 537393425 645039392 687863584 806299240 859829480 1007874050 1074786850 1612598480 1719658960 2015748100 2149573700 2519685125 2686967125 3225196960 3439317920 4031496200 4299147400 5039370250 5180472617 5373934250 8062992400 8598294800 10078740500 10360945234 10747868500 16125984800 17196589600 20157481000 20721890468 21495737000 25902363085 40314962000 41443780936 42991474000 51804726170 80629924000 82887561872 85982948000 103609452340 129511815425 165775123744 207218904680 259023630850 414437809360 518047261700 647559077125 828875618720 1036094523400 1295118154250 2072189046800 2590236308500 4144378093600 5180472617000 10360945234000 20721890468000
• Sum of all divisors σ(n): 51324488351136
• Sum of proper divisors (its aliquot sum) s(n): 30602597883136
• 20721890468000 is an abundant number, because the sum of its proper divisors (30602597883136) is greater than itself. Its abundance is 9880707415136

Bases of 20721890468000

• Binary: 100101101100010110000111010111010000010100000₂
• Hexadecimal: 0x12D8B0EBA0A0
• Base-36: 7CFI6K7FK

Squares and roots of 20721890468000

• 20721890468000 squared (20721890468000²) is 429396744567789259024000000
• 20721890468000 cubed (20721890468000³) is 8897912308249503026402208583232000000000
• The square root of 20721890468000 is 4552130.3219481755
• The cube root of 20721890468000 is 27466.9091642769

Scales and comparisons

• 20,721,890,468,000 seconds is equal to 658,892 years, 1 week, 5 hours, 33 minutes, 20 seconds.
• To count from 1 to 20,721,890,468,000 would take you about one million, six hundred forty-seven thousand, two hundred thirty 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 20721890468000 cubic inches would be around 2288.9 feet tall.

Recreational maths with 20721890468000

• 20721890468000 backwards is 00086409812702
• The number of decimal digits it has is: 14
• The sum of 20721890468000's digits is 47
• More coming soon!