1221725120

Names of 1221725120

• Cardinal: 1221725120 can be written as One billion, two hundred twenty-one million, seven hundred twenty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.22172512 × 10⁹

Factors of 1221725120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 481

Divisors of 1221725120

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 140 154 160 176 179 220 224 277 280 308 320 352 358 385 440 448 554 560 616 704 716 770 880 895 1108 1120 1232 1253 1385 1432 1540 1760 1790 1939 1969 2216 2240 2464 2506 2770 2864 3047 3080 3520 3580 3878 3938 4432 4928 5012 5540 5728 6094 6160 6265 7160 7756 7876 8864 9695 9845 10024 11080 11456 12188 12320 12530 13783 14320 15235 15512 15752 17728 19390 19690 20048 21329 22160 24376 24640 25060 27566 28640 30470 31024 31504 38780 39380 40096 42658 44320 48752 49583 50120 55132 57280 60940 62048 63008 68915 77560 78760 80192 85316 88640 97504 99166 100240 106645 110264 121880 124096 126016 137830 155120 157520 170632 195008 198332 200480 213290 220528 243760 247915 275660 310240 315040 341264 347081 396664 400960 426580 441056 487520 495830 545413 551320 620480 630080 682528 694162 793328 853160 882112 975040 991660 1090826 1102640 1365056 1388324 1586656 1706320 1735405 1983320 2181652 2205280 2727065 2776648 3173312 3412640 3470810 3817891 3966640 4363304 4410560 5454130 5553296 6825280 6941620 7635782 7933280 8726608 10908260 11106592 13883240 15271564 15866560 17453216 19089455 21816520 22213184 27766480 30543128 34906432 38178910 43633040 55532960 61086256 76357820 87266080 111065920 122172512 152715640 174532160 244345024 305431280 610862560 1221725120
• Sum of all divisors σ(n): 3660526080
• Sum of proper divisors (its aliquot sum) s(n): 2438800960
• 1221725120 is an abundant number, because the sum of its proper divisors (2438800960) is greater than itself. Its abundance is 1217075840

Bases of 1221725120

• Binary: 1001000110100100000101111000000₂
• Hexadecimal: 0x48D20BC0
• Base-36: K7DT4W

Squares and roots of 1221725120

• 1221725120 squared (1221725120²) is 1492612268839014400
• 1221725120 cubed (1221725120³) is 1823561903260817128521728000
• The square root of 1221725120 is 34953.1846903827
• The cube root of 1221725120 is 1069.0331383023

Scales and comparisons

• 1,221,725,120 seconds is equal to 38 years, 44 weeks, 8 hours, 5 minutes, 20 seconds.
• To count from 1 to 1,221,725,120 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 1221725120 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221725120

• 1221725120 backwards is 0215271221
• The number of decimal digits it has is: 10
• The sum of 1221725120's digits is 23
• More coming soon!