19954428429

Names of 19954428429

• Cardinal: 19954428429 can be written as Nineteen billion, nine hundred fifty-four million, four hundred twenty-eight thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 1.9954428429 × 10¹⁰

Factors of 19954428429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 249

Divisors of 19954428429

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 13 39 47 89 97 141 169 267 291 507 611 1157 1261 1833 3471 3783 4183 4559 7943 8633 9409 12549 13677 15041 16393 23829 25899 28227 45123 49179 54379 59267 112229 122317 163137 177801 336687 366951 405751 442223 706927 770471 837401 1217253 1326669 1458977 1590121 2120781 2311413 2512203 4376931 4770363 5274763 5748899 10886213 15824289 17246697 32658639 39357847 68571919 74735687 118073541 141520769 205715757 224207061 424562307 511652011 1534956033 6651476143 19954428429
• Sum of all divisors σ(n): 30063415680
• Sum of proper divisors (its aliquot sum) s(n): 10108987251
• 19954428429 is a deficient number, because the sum of its proper divisors (10108987251) is less than itself. Its deficiency is 9845441178

Bases of 19954428429

• Binary: 10010100101011000000110101000001101₂
• Hexadecimal: 0x4A5606A0D
• Base-36: 960CNIL

Squares and roots of 19954428429

• 19954428429 squared (19954428429²) is 398179213928083408041
• 19954428429 cubed (19954428429³) is 7945438626243420318896537597589
• The square root of 19954428429 is 141260.1445171283
• The cube root of 19954428429 is 2712.3543774641

Scales and comparisons

• 19,954,428,429 seconds is equal to 634 years, 25 weeks, 3 days, 47 minutes, 9 seconds.
• To count from 1 to 19,954,428,429 would take you about one thousand, two hundred sixty-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 19954428429 cubic inches would be around 226 feet tall.

Recreational maths with 19954428429

• 19954428429 backwards is 92482445991
• The number of decimal digits it has is: 11
• The sum of 19954428429's digits is 57
• More coming soon!