21033572184

Names of 21033572184

• Cardinal: 21033572184 can be written as Twenty-one billion, thirty-three million, five hundred seventy-two thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.1033572184 × 10¹⁰

Factors of 21033572184

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9160

Divisors of 21033572184

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 102 108 136 153 204 216 306 408 459 612 677 918 1224 1354 1836 2031 2708 3672 4062 5416 6093 8124 8461 11509 12186 16248 16922 18279 23018 24372 25383 33844 34527 36558 46036 48744 50766 67688 69054 73116 76149 92072 101532 103581 138108 143837 146232 152298 203064 207162 228447 276216 287674 304596 310743 414324 431511 456894 575348 609192 621486 828648 863022 913788 1150696 1242972 1294533 1726044 1827576 2485944 2589066 3452088 3883599 5178132 5728097 7767198 10356264 11456194 15534396 17184291 22912388 31068792 34368582 45824776 51552873 68737164 97377649 103105746 137474328 154658619 194755298 206211492 292132947 309317238 389510596 412422984 584265894 618634476 779021192 876398841 1168531788 1237268952 1752797682 2337063576 2629196523 3505595364 5258393046 7011190728 10516786092 21033572184
• Sum of all divisors σ(n): 61962148800
• Sum of proper divisors (its aliquot sum) s(n): 40928576616
• 21033572184 is an abundant number, because the sum of its proper divisors (40928576616) is greater than itself. Its abundance is 19895004432

Bases of 21033572184

• Binary: 10011100101101100101101011101011000₂
• Hexadecimal: 0x4E5B2D758
• Base-36: 9NUUG60

Squares and roots of 21033572184

• 21033572184 squared (21033572184²) is 442411158819538529856
• 21033572184 cubed (21033572184³) is 9305487044037851897295415125504
• The square root of 21033572184 is 145029.5562428571
• The cube root of 21033572184 is 2760.3936017111

Scales and comparisons

• 21,033,572,184 seconds is equal to 668 years, 41 weeks, 5 days, 2 hours, 56 minutes, 24 seconds.
• To count from 1 to 21,033,572,184 would take you about one thousand, three hundred thirty-seven 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 21033572184 cubic inches would be around 230 feet tall.

Recreational maths with 21033572184

• 21033572184 backwards is 48127533012
• 21033572184 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21033572184's digits is 36
• More coming soon!