21090332025

Names of 21090332025

• Cardinal: 21090332025 can be written as Twenty-one billion, ninety million, three hundred thirty-two thousand and twenty-five.

Scientific notation

• Scientific notation: 2.1090332025 × 10¹⁰

Factors of 21090332025

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 258

Divisors of 21090332025

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 15 19 21 25 35 45 57 63 67 75 95 105 133 157 171 175 201 225 285 315 335 399 469 471 475 525 603 665 785 855 1005 1099 1197 1273 1407 1413 1425 1575 1675 1995 2345 2355 2983 3015 3297 3325 3819 3925 4221 4275 4489 5025 5495 5985 6365 7035 7065 8911 8949 9891 9975 10519 11457 11725 11775 13467 14915 15075 16485 19095 20881 21105 22445 26733 26847 27475 29925 31423 31557 31825 35175 35325 40401 44555 44745 49455 52595 57285 62643 67335 73633 74575 80199 82425 85291 94269 94671 95475 104405 105525 112225 133665 134235 157115 157785 187929 199861 202005 220899 222775 223725 247275 255873 262975 282807 286425 313215 336675 368165 400995 426455 471345 473355 522025 597037 599583 662697 668325 671175 704773 767619 785575 788925 939645 999305 1010025 1104495 1279365 1399027 1414035 1566075 1791111 1798749 1840825 2004975 2114319 2132275 2356725 2366775 2985185 2997915 3313485 3523865 3838095 4197081 4698225 4933411 4996525 5373333 5522475 6342957 6396825 6995135 7070175 8955555 8993745 10571595 12591243 13390687 14800233 14925925 14989575 16567425 17619325 19190475 20985405 24667055 26866665 31714785 34975675 40172061 44400699 44777775 44968725 52857975 62956215 66953435 74001165 93734809 104927025 120516183 123335275 134333325 158573925 200860305 222003495 281204427 314781075 334767175 370005825 468674045 602580915 843613281 1004301525 1110017475 1406022135 2343370225 3012904575 4218066405 7030110675 21090332025
• Sum of all divisors σ(n): 46425986880
• Sum of proper divisors (its aliquot sum) s(n): 25335654855
• 21090332025 is an abundant number, because the sum of its proper divisors (25335654855) is greater than itself. Its abundance is 4245322830

Bases of 21090332025

• Binary: 10011101001000101001110110101111001₂
• Hexadecimal: 0x4E914ED79
• Base-36: 9OSN0C9

Squares and roots of 21090332025

• 21090332025 squared (21090332025²) is 444802104924740600625
• 21090332025 cubed (21090332025³) is 9381024078281666904179172515625
• The square root of 21090332025 is 145225.1081080679
• The cube root of 21090332025 is 2762.8743782589

Scales and comparisons

• 21,090,332,025 seconds is equal to 670 years, 31 weeks, 4 days, 1 hour, 33 minutes, 45 seconds.
• To count from 1 to 21,090,332,025 would take you about one thousand, three hundred forty-one 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 21090332025 cubic inches would be around 230.2 feet tall.

Recreational maths with 21090332025

• 21090332025 backwards is 52023309012
• The number of decimal digits it has is: 11
• The sum of 21090332025's digits is 27
• More coming soon!