8421869322490

Names of 8421869322490

• Cardinal: 8421869322490 can be written as Eight trillion, four hundred twenty-one billion, eight hundred sixty-nine million, three hundred twenty-two thousand, four hundred ninety.

Scientific notation

• Scientific notation: 8.42186932249 × 10¹²

Factors of 8421869322490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 711

Divisors of 8421869322490

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 13 26 41 65 82 130 205 277 373 410 533 554 746 1066 1385 1681 1865 2665 2770 3362 3601 3730 4849 5330 7202 8405 9698 11357 15293 16810 18005 21853 22714 24245 30586 36010 43706 48490 56785 76465 103321 109265 113570 139129 147641 152930 198809 206642 218530 278258 295282 397618 465637 516605 627013 695645 738205 931274 994045 1033210 1254026 1343173 1391290 1476410 1808677 1988090 2328185 2686346 3135065 3617354 4236161 4656370 5704289 6053281 6270130 6715865 8151169 8472322 9043385 11408578 12106562 13431730 16302338 18086770 21180805 28521445 30266405 38538733 40755845 42361610 55070093 57042890 60532810 74155757 77077466 81511690 110140186 148311514 173682601 192693665 233875849 275350465 347365202 370778785 385387330 467751698 501003529 550700930 741557570 868413005 1002007058 1169379245 1580088053 1736826010 2257873813 2338758490 2505017645 3040386037 3160176106 4515747626 5010035290 6080772074 7900440265 11289369065 15201930185 15800880530 20541144689 22578738130 30403860370 41082289378 64783610173 102705723445 129567220346 205411446890 323918050865 647836101730 842186932249 1684373864498 4210934661245 8421869322490
• Sum of all divisors σ(n): 16838917195464
• Sum of proper divisors (its aliquot sum) s(n): 8417047872974
• 8421869322490 is a deficient number, because the sum of its proper divisors (8417047872974) is less than itself. Its deficiency is 4821449516

Bases of 8421869322490

• Binary: 1111010100011011110100001111000000011111010₂
• Hexadecimal: 0x7A8DE8780FA
• Base-36: 2ZGYBJQPM

Squares and roots of 8421869322490

• 8421869322490 squared (8421869322490²) is 70927882885098171619800100
• 8421869322490 cubed (8421869322490³) is 597345360979171805136783614056234249000
• The square root of 8421869322490 is 2902045.7133701391
• The cube root of 8421869322490 is 20345.5530390855

Scales and comparisons

• 8,421,869,322,490 seconds is equal to 267,789 years, 20 weeks, 3 days, 9 hours, 8 minutes, 10 seconds.
• To count from 1 to 8,421,869,322,490 would take you about six hundred sixty-nine thousand, four hundred seventy-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 8421869322490 cubic inches would be around 1695.5 feet tall.

Recreational maths with 8421869322490

• 8421869322490 backwards is 0942239681248
• The number of decimal digits it has is: 13
• The sum of 8421869322490's digits is 58
• More coming soon!