2179620828

Names of 2179620828

• Cardinal: 2179620828 can be written as Two billion, one hundred seventy-nine million, six hundred twenty thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 2.179620828 × 10⁹

Factors of 2179620828

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2459

Divisors of 2179620828

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 383 396 462 693 766 924 1149 1386 1532 2053 2298 2681 2772 3447 4106 4213 4596 5362 6159 6894 8043 8212 8426 10724 12318 12639 13788 14371 16086 16852 18477 22583 24129 24636 25278 28742 29491 32172 36954 37917 43113 45166 48258 50556 57484 58982 67749 73908 75834 86226 88473 90332 96516 117964 129339 135498 151668 158081 172452 176946 203247 258678 265419 270996 316162 353892 406494 474243 517356 530838 632324 786299 812988 948486 1061676 1422729 1572598 1896972 2358897 2845458 3145196 4717794 5504093 5690916 7076691 8649289 9435588 11008186 14153382 16512279 17298578 22016372 25947867 28306764 33024558 34597156 49536837 51895734 60545023 66049116 77843601 99073674 103791468 121090046 155687202 181635069 198147348 242180092 311374404 363270138 544905207 726540276 1089810414 2179620828
• Sum of all divisors σ(n): 6890397696
• Sum of proper divisors (its aliquot sum) s(n): 4710776868
• 2179620828 is an abundant number, because the sum of its proper divisors (4710776868) is greater than itself. Its abundance is 2531156040

Bases of 2179620828

• Binary: 10000001111010100101111111011100₂
• Hexadecimal: 0x81EA5FDC
• Base-36: 101OU70

Squares and roots of 2179620828

• 2179620828 squared (2179620828²) is 4750746953851405584
• 2179620828 cubed (2179620828³) is 10354827009172078427961903552
• The square root of 2179620828 is 46686.4094571429
• The cube root of 2179620828 is 1296.5630769391

Scales and comparisons

• 2,179,620,828 seconds is equal to 69 years, 15 weeks, 6 days, 2 hours, 13 minutes, 48 seconds.
• To count from 1 to 2,179,620,828 would take you about one hundred thirty-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 2179620828 cubic inches would be around 108 feet tall.

Recreational maths with 2179620828

• 2179620828 backwards is 8280269712
• The number of decimal digits it has is: 10
• The sum of 2179620828's digits is 45
• More coming soon!