21436287201

Names of 21436287201

• Cardinal: 21436287201 can be written as Twenty-one billion, four hundred thirty-six million, two hundred eighty-seven thousand, two hundred one.

Scientific notation

• Scientific notation: 2.1436287201 × 10¹⁰

Factors of 21436287201

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 203

Divisors of 21436287201

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 21 23 27 43 49 63 69 81 127 129 147 161 189 207 301 381 387 441 483 567 621 889 903 989 1127 1143 1161 1323 1449 1849 1863 2107 2667 2709 2921 2967 3381 3429 3483 3969 4347 5461 5547 6223 6321 6923 8001 8127 8763 8901 10143 10287 12943 13041 16383 16641 18669 18963 20447 20769 24003 24381 26289 26703 30429 38227 38829 42527 48461 49149 49923 56007 56889 61341 62307 72009 78867 80109 90601 91287 114681 116487 125603 127581 143129 145383 147447 149769 168021 170667 184023 186921 234823 236601 267589 271803 297689 344043 349461 376809 382743 429387 436149 442341 504063 552069 560763 704469 802767 815409 879221 893067 1032129 1048383 1130427 1148229 1288161 1308447 1643761 1656207 2083823 2113407 2408301 2446227 2637663 2679201 3096387 3391281 3444687 3864483 3925341 4931283 5400929 6154547 6251469 6340221 7224903 7338681 7912989 8037603 10173843 11506327 11593449 14793849 16202787 18463641 18754407 19020663 21674709 23738967 24112809 34518981 37806503 44381547 48608361 55390923 56263221 71216901 103556943 113419509 133144641 145825083 166172769 168789663 264645521 310670829 340258527 437475249 498518307 793936563 932012487 1020775581 2381809689 3062326743 7145429067 21436287201
• Sum of all divisors σ(n): 40108096512
• Sum of proper divisors (its aliquot sum) s(n): 18671809311
• 21436287201 is a deficient number, because the sum of its proper divisors (18671809311) is less than itself. Its deficiency is 2764477890

Bases of 21436287201

• Binary: 10011111101101100111100100011100001₂
• Hexadecimal: 0x4FDB3C8E1
• Base-36: 9UIM129

Squares and roots of 21436287201

• 21436287201 squared (21436287201²) is 459514408963756414401
• 21436287201 cubed (21436287201³) is 9850282843544851298905808381601
• The square root of 21436287201 is 146411.3629504213
• The cube root of 21436287201 is 2777.8994536051

Scales and comparisons

• 21,436,287,201 seconds is equal to 681 years, 31 weeks, 4 days, 4 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,436,287,201 would take you about one thousand, three hundred sixty-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 21436287201 cubic inches would be around 231.5 feet tall.

Recreational maths with 21436287201

• 21436287201 backwards is 10278263412
• The number of decimal digits it has is: 11
• The sum of 21436287201's digits is 36
• More coming soon!