1221467040

Names of 1221467040

• Cardinal: 1221467040 can be written as One billion, two hundred twenty-one million, four hundred sixty-seven thousand and forty.

Scientific notation

• Scientific notation: 1.22146704 × 10⁹

Factors of 1221467040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 317

Divisors of 1221467040

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 307 324 360 405 432 480 540 614 648 720 810 864 921 1080 1228 1296 1440 1535 1620 1842 2160 2456 2592 2763 3070 3240 3684 4320 4605 4912 5526 6140 6480 7368 8289 9210 9824 11052 12280 12960 13815 14736 16578 18420 22104 24560 24867 27630 29472 33156 36840 41445 44208 49120 49734 55260 66312 73680 82890 88416 94249 99468 110520 124335 132624 147360 165780 188498 198936 221040 248670 265248 282747 331560 376996 397872 442080 471245 497340 565494 663120 753992 795744 848241 942490 994680 1130988 1326240 1413735 1507984 1696482 1884980 1989360 2261976 2544723 2827470 3015968 3392964 3769960 3978720 4241205 4523952 5089446 5654940 6785928 7539920 7634169 8482410 9047904 10178892 11309880 12723615 13571856 15079840 15268338 16964820 20357784 22619760 25447230 27143712 30536676 33929640 38170845 40715568 45239520 50894460 61073352 67859280 76341690 81431136 101788920 122146704 135718560 152683380 203577840 244293408 305366760 407155680 610733520 1221467040
• Sum of all divisors σ(n): 4324848066
• Sum of proper divisors (its aliquot sum) s(n): 3103381026
• 1221467040 is an abundant number, because the sum of its proper divisors (3103381026) is greater than itself. Its abundance is 1881913986

Bases of 1221467040

• Binary: 1001000110011100001101110100000₂
• Hexadecimal: 0x48CE1BA0
• Base-36: K78A00

Squares and roots of 1221467040

• 1221467040 squared (1221467040²) is 1491981729806361600
• 1221467040 cubed (1221467040³) is 1822406507240656276721664000
• The square root of 1221467040 is 34949.4927001809
• The cube root of 1221467040 is 1068.9578580021

Scales and comparisons

• 1,221,467,040 seconds is equal to 38 years, 43 weeks, 4 days, 8 hours, 24 minutes.
• To count from 1 to 1,221,467,040 would take you about seventy-seven 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 1221467040 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221467040

• 1221467040 backwards is 0407641221
• 1221467040 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1221467040's digits is 27
• More coming soon!