21018014700

Names of 21018014700

• Cardinal: 21018014700 can be written as Twenty-one billion, eighteen million, fourteen thousand, seven hundred.

Scientific notation

• Scientific notation: 2.10180147 × 10¹⁰

Factors of 21018014700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4169

Divisors of 21018014700

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 150 190 228 285 300 380 475 570 950 1140 1297 1425 1900 2594 2843 2850 3891 5188 5686 5700 6485 7782 8529 11372 12970 14215 15564 17058 19455 24643 25940 28430 32425 34116 38910 42645 49286 54017 56860 64850 71075 73929 77820 85290 97275 98572 108034 123215 129700 142150 147858 162051 170580 194550 213225 216068 246430 270085 284300 295716 324102 369645 389100 426450 492860 540170 616075 648204 739290 810255 852900 1080340 1232150 1350425 1478580 1620510 1848225 2464300 2700850 3241020 3687371 3696450 4051275 5401700 7374742 7392900 8102550 11062113 14749484 16205100 18436855 22124226 36873710 44248452 55310565 70060049 73747420 92184275 110621130 140120098 184368550 210180147 221242260 276552825 280240196 350300245 368737100 420360294 553105650 700600490 840720588 1050900735 1106211300 1401200980 1751501225 2101801470 3503002450 4203602940 5254503675 7006004900 10509007350 21018014700
• Sum of all divisors σ(n): 64084648320
• Sum of proper divisors (its aliquot sum) s(n): 43066633620
• 21018014700 is an abundant number, because the sum of its proper divisors (43066633620) is greater than itself. Its abundance is 22048618920

Bases of 21018014700

• Binary: 10011100100110001010111001111101100₂
• Hexadecimal: 0x4E4C573EC
• Base-36: 9NLKZXO

Squares and roots of 21018014700

• 21018014700 squared (21018014700²) is 441756941929416090000
• 21018014700 cubed (21018014700³) is 9284853899299513742036523000000
• The square root of 21018014700 is 144975.9107576151
• The cube root of 21018014700 is 2759.7128587017

Scales and comparisons

• 21,018,014,700 seconds is equal to 668 years, 16 weeks, 1 hour, 25 minutes.
• To count from 1 to 21,018,014,700 would take you about one thousand, three hundred thirty-six 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 21018014700 cubic inches would be around 230 feet tall.

Recreational maths with 21018014700

• 21018014700 backwards is 00741081012
• The number of decimal digits it has is: 11
• The sum of 21018014700's digits is 24
• More coming soon!