21403248510

Names of 21403248510

• Cardinal: 21403248510 can be written as Twenty-one billion, four hundred three million, two hundred forty-eight thousand, five hundred ten.

Scientific notation

• Scientific notation: 2.140324851 × 10¹⁰

Factors of 21403248510

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 14560050

Divisors of 21403248510

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 14560033 29120066 43680099 72800165 87360198 101920231 145600330 203840462 218400495 305760693 436800990 509601155 611521386 713441617 1019202310 1426883234 1528803465 2140324851 3057606930 3567208085 4280649702 7134416170 10701624255 21403248510
• Sum of all divisors σ(n): 59754379536
• Sum of proper divisors (its aliquot sum) s(n): 38351131026
• 21403248510 is an abundant number, because the sum of its proper divisors (38351131026) is greater than itself. Its abundance is 16947882516

Bases of 21403248510

• Binary: 10011111011101110111010011101111110₂
• Hexadecimal: 0x4FBBBA77E
• Base-36: 9TYXW8U

Squares and roots of 21403248510

• 21403248510 squared (21403248510²) is 458099046780817220100
• 21403248510 cubed (21403248510³) is 9804807740443946462687667051000
• The square root of 21403248510 is 146298.4911405447
• The cube root of 21403248510 is 2776.4715733589

Scales and comparisons

• 21,403,248,510 seconds is equal to 680 years, 28 weeks, 6 days, 18 hours, 48 minutes, 30 seconds.
• To count from 1 to 21,403,248,510 would take you about one thousand, three hundred sixty-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 21403248510 cubic inches would be around 231.4 feet tall.

Recreational maths with 21403248510

• 21403248510 backwards is 01584230412
• 21403248510 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21403248510's digits is 30
• More coming soon!