3123409905

Names of 3123409905

• Cardinal: 3123409905 can be written as Three billion, one hundred twenty-three million, four hundred nine thousand, nine hundred five.

Scientific notation

• Scientific notation: 3.123409905 × 10⁹

Factors of 3123409905

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 272

Divisors of 3123409905

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 11 15 19 21 33 35 45 55 57 63 77 95 99 105 121 133 165 171 209 227 231 285 315 361 363 385 399 495 605 627 665 681 693 847 855 1045 1083 1089 1135 1155 1197 1463 1589 1805 1815 1881 1995 2043 2299 2497 2527 2541 3135 3249 3405 3465 3971 4235 4313 4389 4767 5415 5445 5985 6897 7315 7491 7581 7623 7945 9405 10215 11495 11913 12485 12635 12705 12939 13167 14301 16093 16245 17479 19855 20691 21565 21945 22473 22743 23835 27467 27797 30191 34485 35739 37455 37905 38115 38817 43681 47443 48279 52437 59565 64695 65835 71505 80465 81947 82401 83391 87395 90573 103455 112365 113715 131043 137335 138985 142329 144837 150955 157311 178695 192269 194085 218405 237215 241395 245841 247203 250173 262185 271719 305767 332101 393129 409735 412005 416955 426987 452865 521873 573629 576807 655215 711645 724185 737523 786555 901417 917301 961345 996303 1229205 1236015 1250865 1358595 1528835 1565619 1660505 1720887 1730421 1965645 2134935 2609365 2704251 2751903 2868145 2884035 2988909 3653111 3687615 4507085 4586505 4696857 4981515 5162661 6309919 7828095 8112753 8604435 8652105 9915587 10959333 13521255 13759515 14944545 18265555 18929757 23484285 25813305 29746761 31549595 32877999 40563765 49577935 54796665 56789271 69409109 89240283 94648785 148733805 164389995 208227327 283946355 347045545 446201415 624681981 1041136635 3123409905
• Sum of all divisors σ(n): 7209349056
• Sum of proper divisors (its aliquot sum) s(n): 4085939151
• 3123409905 is an abundant number, because the sum of its proper divisors (4085939151) is greater than itself. Its abundance is 962529246

Bases of 3123409905

• Binary: 10111010001010110111001111110001₂
• Hexadecimal: 0xBA2B73F1
• Base-36: 1FNLII9

Squares and roots of 3123409905

• 3123409905 squared (3123409905²) is 9755689434652109025
• 3123409905 cubed (3123409905³) is 30471017010296247557824892625
• The square root of 3123409905 is 55887.4753858143
• The cube root of 3123409905 is 1461.7608555169

Scales and comparisons

• 3,123,409,905 seconds is equal to 99 years, 16 weeks, 2 days, 13 hours, 51 minutes, 45 seconds.
• To count from 1 to 3,123,409,905 would take you about one hundred ninety-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 3123409905 cubic inches would be around 121.8 feet tall.

Recreational maths with 3123409905

• 3123409905 backwards is 5099043213
• The number of decimal digits it has is: 10
• The sum of 3123409905's digits is 36
• More coming soon!