2128097440

Names of 2128097440

• Cardinal: 2128097440 can be written as Two billion, one hundred twenty-eight million, ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.12809744 × 10⁹

Factors of 2128097440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 535

Divisors of 2128097440

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 521 560 784 980 1042 1120 1568 1960 2084 2605 3647 3920 4168 5210 7294 7840 8336 10420 14588 16672 18235 20840 25529 29176 36470 41680 51058 58352 72940 83360 102116 116704 127645 145880 204232 255290 271441 291760 408464 510580 542882 583520 816928 1021160 1085764 1357205 1900087 2042320 2171528 2714410 3800174 4084640 4343056 5428820 7600348 8686112 9500435 10857640 13300609 15200696 19000870 21715280 26601218 30401392 38001740 43430560 53202436 60802784 66503045 76003480 106404872 133006090 152006960 212809744 266012180 304013920 425619488 532024360 1064048720 2128097440
• Sum of all divisors σ(n): 5859714798
• Sum of proper divisors (its aliquot sum) s(n): 3731617358
• 2128097440 is an abundant number, because the sum of its proper divisors (3731617358) is greater than itself. Its abundance is 1603519918

Bases of 2128097440

• Binary: 1111110110110000011000010100000₂
• Hexadecimal: 0x7ED830A0
• Base-36: Z70IHS

Squares and roots of 2128097440

• 2128097440 squared (2128097440²) is 4528798714134553600
• 2128097440 cubed (2128097440³) is 9637724949825035331702784000
• The square root of 2128097440 is 46131.3065065363
• The cube root of 2128097440 is 1286.2651501445

Scales and comparisons

• 2,128,097,440 seconds is equal to 67 years, 34 weeks, 4 days, 18 hours, 10 minutes, 40 seconds.
• To count from 1 to 2,128,097,440 would take you about one hundred thirty-five 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 2128097440 cubic inches would be around 107.2 feet tall.

Recreational maths with 2128097440

• 2128097440 backwards is 0447908212
• The number of decimal digits it has is: 10
• The sum of 2128097440's digits is 37
• More coming soon!