21827943828

Names of 21827943828

• Cardinal: 21827943828 can be written as Twenty-one billion, eight hundred twenty-seven million, nine hundred forty-three thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1827943828 × 10¹⁰

Factors of 21827943828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13048

Divisors of 21827943828

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 23 27 36 46 54 69 81 92 108 138 162 207 229 276 324 414 458 621 687 828 916 1242 1374 1863 2061 2484 2748 3726 4122 5267 6183 7452 8244 10534 12366 12791 15801 18549 21068 24732 25582 31602 37098 38373 47403 51164 63204 74196 76746 94806 115119 142209 153492 189612 230238 284418 294193 345357 426627 460476 568836 588386 690714 853254 882579 1036071 1176772 1381428 1706508 1765158 2072142 2647737 2929139 3530316 4144284 5295474 5858278 7943211 8787417 10590948 11716556 15886422 17574834 23829633 26362251 31772844 35149668 47659266 52724502 67370197 79086753 95318532 105449004 134740394 158173506 202110591 237260259 269480788 316347012 404221182 474520518 606331773 808442364 949041036 1212663546 1818995319 2425327092 3637990638 5456985957 7275981276 10913971914 21827943828
• Sum of all divisors σ(n): 59808228480
• Sum of proper divisors (its aliquot sum) s(n): 37980284652
• 21827943828 is an abundant number, because the sum of its proper divisors (37980284652) is greater than itself. Its abundance is 16152340824

Bases of 21827943828

• Binary: 10100010101000010111111110110010100₂
• Hexadecimal: 0x5150BFD94
• Base-36: A0ZSL90

Squares and roots of 21827943828

• 21827943828 squared (21827943828²) is 476459131758323293584
• 21827943828 cubed (21827943828³) is 10400123164358331723815504799552
• The square root of 21827943828 is 147742.8300392273
• The cube root of 21827943828 is 2794.7155357503

Scales and comparisons

• 21,827,943,828 seconds is equal to 694 years, 3 weeks, 1 day, 5 hours, 43 minutes, 48 seconds.
• To count from 1 to 21,827,943,828 would take you about one thousand, three hundred eighty-eight 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 21827943828 cubic inches would be around 232.9 feet tall.

Recreational maths with 21827943828

• 21827943828 backwards is 82834972812
• 21827943828 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21827943828's digits is 54
• More coming soon!