21099184160

Names of 21099184160

• Cardinal: 21099184160 can be written as Twenty-one billion, ninety-nine million, one hundred eighty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.109918416 × 10¹⁰

Factors of 21099184160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 106358

Divisors of 21099184160

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 68 73 80 85 136 146 160 170 272 292 340 365 544 584 680 730 1168 1241 1360 1460 2336 2482 2720 2920 4964 5840 6205 9928 11680 12410 19856 24820 39712 49640 99280 106261 198560 212522 425044 531305 850088 1062610 1700176 1806437 2125220 3400352 3612874 4250440 7225748 7757053 8500880 9032185 14451496 15514106 17001760 18064370 28902992 31028212 36128740 38785265 57805984 62056424 72257480 77570530 124112848 131869901 144514960 155141060 248225696 263739802 289029920 310282120 527479604 620564240 659349505 1054959208 1241128480 1318699010 2109918416 2637398020 4219836832 5274796040 10549592080 21099184160
• Sum of all divisors σ(n): 53502491952
• Sum of proper divisors (its aliquot sum) s(n): 32403307792
• 21099184160 is an abundant number, because the sum of its proper divisors (32403307792) is greater than itself. Its abundance is 11304123632

Bases of 21099184160

• Binary: 10011101001100111000000000000100000₂
• Hexadecimal: 0x4E99C0020
• Base-36: 9OXWQOW

Squares and roots of 21099184160

• 21099184160 squared (21099184160²) is 445175572217594905600
• 21099184160 cubed (21099184160³) is 9392841381752414505532215296000
• The square root of 21099184160 is 145255.5821991017
• The cube root of 21099184160 is 2763.2608731383

Scales and comparisons

• 21,099,184,160 seconds is equal to 670 years, 46 weeks, 1 day, 12 hours, 29 minutes, 20 seconds.
• To count from 1 to 21,099,184,160 would take you about one thousand, three hundred forty-one 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 21099184160 cubic inches would be around 230.3 feet tall.

Recreational maths with 21099184160

• 21099184160 backwards is 06148199012
• The number of decimal digits it has is: 11
• The sum of 21099184160's digits is 41
• More coming soon!