1819438404

Names of 1819438404

• Cardinal: 1819438404 can be written as One billion, eight hundred nineteen million, four hundred thirty-eight thousand, four hundred four.

Scientific notation

• Scientific notation: 1.819438404 × 10⁹

Factors of 1819438404

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1273

Divisors of 1819438404

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 28 38 42 49 57 76 84 98 114 133 147 149 196 228 266 294 298 399 447 532 588 596 798 894 931 1043 1093 1596 1788 1862 2086 2186 2793 2831 3129 3279 3724 4172 4372 5586 5662 6258 6558 7301 7651 8493 11172 11324 12516 13116 14602 15302 16986 19817 20767 21903 22953 29204 30604 33972 39634 41534 43806 45906 53557 59451 62301 79268 83068 87612 91812 107114 118902 124602 138719 145369 160671 162857 214228 237804 249204 277438 290738 321342 325714 416157 436107 488571 554876 581476 642684 651428 832314 872214 977142 1017583 1139999 1664628 1744428 1954284 2035166 2279998 3052749 3094283 3419997 4070332 4559996 6105498 6188566 6839994 7979993 9282849 12210996 12377132 13679988 15959986 18565698 21659981 23939979 31919972 37131396 43319962 47879958 64979943 86639924 95759916 129959886 151619867 259919772 303239734 454859601 606479468 909719202 1819438404
• Sum of all divisors σ(n): 5238072000
• Sum of proper divisors (its aliquot sum) s(n): 3418633596
• 1819438404 is an abundant number, because the sum of its proper divisors (3418633596) is greater than itself. Its abundance is 1599195192

Bases of 1819438404

• Binary: 1101100011100100110110101000100₂
• Hexadecimal: 0x6C726D44
• Base-36: U38VNO

Squares and roots of 1819438404

• 1819438404 squared (1819438404²) is 3310356105950067216
• 1819438404 cubed (1819438404³) is 6022989030081445199171763264
• The square root of 1819438404 is 42654.8755009319
• The cube root of 1819438404 is 1220.8035564385

Scales and comparisons

• 1,819,438,404 seconds is equal to 57 years, 44 weeks, 2 days, 7 hours, 33 minutes, 24 seconds.
• To count from 1 to 1,819,438,404 would take you about one hundred fifteen 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 1819438404 cubic inches would be around 101.7 feet tall.

Recreational maths with 1819438404

• 1819438404 backwards is 4048349181
• 1819438404 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1819438404's digits is 42
• More coming soon!