21024200925

Names of 21024200925

• Cardinal: 21024200925 can be written as Twenty-one billion, twenty-four million, two hundred thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 2.1024200925 × 10¹⁰

Factors of 21024200925

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 411

Divisors of 21024200925

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 35 39 45 49 63 65 75 91 105 117 147 175 195 225 245 273 315 325 383 441 455 525 585 637 735 819 975 1149 1225 1365 1575 1911 1915 2205 2275 2681 2925 3185 3447 3675 4095 4979 5733 5745 6825 8043 9555 9575 11025 13405 14937 15925 17235 18767 20475 24129 24895 28665 28725 34853 40215 44811 47775 56301 67025 74685 86175 93835 104559 120645 124475 143325 146689 168903 174265 201075 224055 243971 281505 313677 373425 440067 469175 522795 603225 731913 733445 844515 871325 1026823 1120275 1219855 1320201 1407525 1568385 1906957 2195739 2200335 2613975 3080469 3659565 3667225 4222575 5134115 5720871 6099275 6601005 7187761 7841925 9241407 9534785 10978695 11001675 13348699 15402345 17162613 18297825 21563283 25670575 28604355 33005025 35938805 40046097 46207035 47673925 54893475 64689849 66743495 77011725 85813065 93440893 107816415 120138291 143021775 179694025 200230485 231035175 280322679 323449245 333717475 429065325 467204465 539082075 600691455 840968037 1001152425 1401613395 1617246225 2336022325 3003457275 4204840185 7008066975 21024200925
• Sum of all divisors σ(n): 47297794362
• Sum of proper divisors (its aliquot sum) s(n): 26273593437
• 21024200925 is an abundant number, because the sum of its proper divisors (26273593437) is greater than itself. Its abundance is 5249392512

Bases of 21024200925

• Binary: 10011100101001000111101100011011101₂
• Hexadecimal: 0x4E523D8DD
• Base-36: 9NP9L99

Squares and roots of 21024200925

• 21024200925 squared (21024200925²) is 442017024534770855625
• 21024200925 cubed (21024200925³) is 9293054736089677117494166453125
• The square root of 21024200925 is 144997.2445427843
• The cube root of 21024200925 is 2759.9835872527

Scales and comparisons

• 21,024,200,925 seconds is equal to 668 years, 26 weeks, 1 day, 15 hours, 48 minutes, 45 seconds.
• To count from 1 to 21,024,200,925 would take you about one thousand, three hundred thirty-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 21024200925 cubic inches would be around 230 feet tall.

Recreational maths with 21024200925

• 21024200925 backwards is 52900242012
• The number of decimal digits it has is: 11
• The sum of 21024200925's digits is 27
• More coming soon!