220642128

Names of 220642128

• Cardinal: 220642128 can be written as Two hundred twenty million, six hundred forty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.20642128 × 10⁸

Factors of 220642128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 373

Divisors of 220642128

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 31 36 42 46 48 56 62 63 69 72 84 92 93 112 124 126 138 144 161 168 184 186 207 217 248 252 276 279 307 322 336 368 372 414 434 483 496 504 552 558 614 644 651 713 744 828 868 921 966 1008 1104 1116 1228 1288 1302 1426 1449 1488 1656 1736 1842 1932 1953 2139 2149 2232 2456 2576 2604 2763 2852 2898 3312 3472 3684 3864 3906 4278 4298 4464 4912 4991 5208 5526 5704 5796 6417 6447 7061 7368 7728 7812 8556 8596 9517 9982 10416 11052 11408 11592 12834 12894 14122 14736 14973 15624 17112 17192 19034 19341 19964 21183 22104 23184 25668 25788 28244 28551 29946 31248 34224 34384 38068 38682 39928 42366 44208 44919 49427 51336 51576 56488 57102 59892 63549 66619 76136 77364 79856 84732 85653 89838 98854 102672 103152 112976 114204 119784 127098 133238 148281 152272 154728 169464 171306 179676 197708 199857 218891 228408 239568 254196 266476 296562 309456 338928 342612 359352 395416 399714 437782 444843 456816 508392 532952 593124 599571 656673 685224 718704 790832 799428 875564 889686 1016784 1065904 1186248 1199142 1313346 1370448 1532237 1598856 1751128 1779372 1970019 2372496 2398284 2626692 3064474 3197712 3502256 3558744 3940038 4596711 4796568 5253384 6128948 7117488 7880076 9193422 9593136 10506768 12257896 13790133 15760152 18386844 24515792 27580266 31520304 36773688 55160532 73547376 110321064 220642128
• Sum of all divisors σ(n): 762617856
• Sum of proper divisors (its aliquot sum) s(n): 541975728
• 220642128 is an abundant number, because the sum of its proper divisors (541975728) is greater than itself. Its abundance is 321333600

Bases of 220642128

• Binary: 1101001001101011101101010000₂
• Hexadecimal: 0xD26BB50
• Base-36: 3ND4K0

Squares and roots of 220642128

• 220642128 squared (220642128²) is 48682948648368384
• 220642128 cubed (220642128³) is 10741509387090723973681152
• The square root of 220642128 is 14854.0273326799
• The cube root of 220642128 is 604.2678372967

Scales and comparisons

• 220,642,128 seconds is equal to 7 years, 5 days, 17 hours, 28 minutes, 48 seconds.
• To count from 1 to 220,642,128 would take you about ten 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 220642128 cubic inches would be around 50.4 feet tall.

Recreational maths with 220642128

• 220642128 backwards is 821246022
• The number of decimal digits it has is: 9
• The sum of 220642128's digits is 27
• More coming soon!