21688002200

Names of 21688002200

• Cardinal: 21688002200 can be written as Twenty-one billion, six hundred eighty-eight million, two thousand, two hundred.

Scientific notation

• Scientific notation: 2.16880022 × 10¹⁰

Factors of 21688002200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4996

Divisors of 21688002200

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 475 760 950 1801 1900 3169 3602 3800 6338 7204 9005 12676 14408 15845 18010 25352 31690 34219 36020 45025 60211 63380 68438 72040 79225 90050 120422 126760 136876 158450 171095 180100 240844 273752 301055 316900 342190 360200 481688 602110 633800 684380 855475 1204220 1368760 1505275 1710950 2408440 3010550 3421900 5707369 6021100 6843800 11414738 12042200 22829476 28536845 45658952 57073690 108440011 114147380 142684225 216880022 228294760 285368450 433760044 542200055 570736900 867520088 1084400110 1141473800 2168800220 2711000275 4337600440 5422000550 10844001100 21688002200
• Sum of all divisors σ(n): 53124762000
• Sum of proper divisors (its aliquot sum) s(n): 31436759800
• 21688002200 is an abundant number, because the sum of its proper divisors (31436759800) is greater than itself. Its abundance is 9748757600

Bases of 21688002200

• Binary: 10100001100101101001010011010011000₂
• Hexadecimal: 0x50CB4A698
• Base-36: 9YOH5LK

Squares and roots of 21688002200

• 21688002200 squared (21688002200²) is 470369439427204840000
• 21688002200 cubed (21688002200³) is 10201373437109985309770648000000
• The square root of 21688002200 is 147268.4698093927
• The cube root of 21688002200 is 2788.7303053045

Scales and comparisons

• 21,688,002,200 seconds is equal to 689 years, 31 weeks, 5 days, 13 hours, 3 minutes, 20 seconds.
• To count from 1 to 21,688,002,200 would take you about one thousand, three hundred seventy-nine 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 21688002200 cubic inches would be around 232.4 feet tall.

Recreational maths with 21688002200

• 21688002200 backwards is 00220088612
• The number of decimal digits it has is: 11
• The sum of 21688002200's digits is 29
• More coming soon!