1226808990

Names of 1226808990

• Cardinal: 1226808990 can be written as One billion, two hundred twenty-six million, eight hundred eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.22680899 × 10⁹

Factors of 1226808990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1055

Divisors of 1226808990

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 135 157 162 165 198 270 297 314 330 405 471 495 594 785 810 877 891 942 990 1413 1485 1570 1727 1754 1782 2355 2631 2826 2970 3454 4239 4385 4455 4710 5181 5262 7065 7893 8478 8635 8770 8910 9647 10362 12717 13155 14130 15543 15786 17270 19294 21195 23679 25434 25905 26310 28941 31086 39465 42390 46629 47358 48235 51810 57882 63585 71037 77715 78930 86823 93258 96470 118395 127170 137689 139887 142074 144705 155430 173646 233145 236790 260469 275378 279774 289410 355185 413067 434115 466290 520938 688445 699435 710370 781407 826134 868230 1239201 1302345 1376890 1398870 1514579 1562814 2065335 2478402 2604690 3029158 3717603 3907035 4130670 4543737 6196005 7435206 7572895 7814070 9087474 11152809 12392010 13631211 15145790 18588015 22305618 22718685 27262422 37176030 40893633 45437370 55764045 68156055 81787266 111528090 122680899 136312110 204468165 245361798 408936330 613404495 1226808990
• Sum of all divisors σ(n): 3625690464
• Sum of proper divisors (its aliquot sum) s(n): 2398881474
• 1226808990 is an abundant number, because the sum of its proper divisors (2398881474) is greater than itself. Its abundance is 1172072484

Bases of 1226808990

• Binary: 1001001000111111001111010011110₂
• Hexadecimal: 0x491F9E9E
• Base-36: KAERVI

Squares and roots of 1226808990

• 1226808990 squared (1226808990²) is 1505060297944820100
• 1226808990 cubed (1226808990³) is 1846421504010783822612699000
• The square root of 1226808990 is 35025.8331806683
• The cube root of 1226808990 is 1070.5139144837

Scales and comparisons

• 1,226,808,990 seconds is equal to 39 years, 3 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 1,226,808,990 would take you about seventy-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 1226808990 cubic inches would be around 89.2 feet tall.

Recreational maths with 1226808990

• 1226808990 backwards is 0998086221
• 1226808990 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1226808990's digits is 45
• More coming soon!