21436006620

Names of 21436006620

• Cardinal: 21436006620 can be written as Twenty-one billion, four hundred thirty-six million, six thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.143600662 × 10¹⁰

Factors of 21436006620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 615017

Divisors of 21436006620

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 83 84 105 140 166 210 249 332 415 420 498 581 830 996 1162 1245 1660 1743 2324 2490 2905 3486 4980 5810 6972 8715 11620 17430 34860 614917 1229834 1844751 2459668 3074585 3689502 4304419 6149170 7379004 8608838 9223755 12298340 12913257 17217676 18447510 21522095 25826514 36895020 43044190 51038111 51653028 64566285 86088380 102076222 129132570 153114333 204152444 255190555 258265140 306228666 357266777 510381110 612457332 714533554 765571665 1020762220 1071800331 1429067108 1531143330 1786333885 2143600662 3062286660 3572667770 4287201324 5359001655 7145335540 10718003310 21436006620
• Sum of all divisors σ(n): 69421782528
• Sum of proper divisors (its aliquot sum) s(n): 47985775908
• 21436006620 is an abundant number, because the sum of its proper divisors (47985775908) is greater than itself. Its abundance is 26549769288

Bases of 21436006620

• Binary: 10011111101101011111000000011011100₂
• Hexadecimal: 0x4FDAF80DC
• Base-36: 9UIG0KC

Squares and roots of 21436006620

• 21436006620 squared (21436006620²) is 459502379812683824400
• 21436006620 cubed (21436006620³) is 9849896055570444819805317528000
• The square root of 21436006620 is 146410.4047532141
• The cube root of 21436006620 is 2777.8873335149

Scales and comparisons

• 21,436,006,620 seconds is equal to 681 years, 31 weeks, 22 hours, 17 minutes.
• To count from 1 to 21,436,006,620 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 21436006620 cubic inches would be around 231.5 feet tall.

Recreational maths with 21436006620

• 21436006620 backwards is 02660063412
• 21436006620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21436006620's digits is 30
• More coming soon!