21098898144

Names of 21098898144

• Cardinal: 21098898144 can be written as Twenty-one billion, ninety-eight million, eight hundred ninety-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1098898144 × 10¹⁰

Factors of 21098898144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10853

Divisors of 21098898144

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 811 864 1296 1622 2433 2592 3244 4866 6488 7299 9732 10037 12976 14598 19464 20074 21897 25952 29196 30111 38928 40148 43794 58392 60222 65691 77856 80296 87588 90333 116784 120444 131382 160592 175176 180666 233568 240888 262764 270999 321184 350352 361332 481776 525528 541998 700704 722664 812997 963552 1051056 1083996 1445328 1625994 2102112 2167992 2890656 3251988 4335984 6503976 8140007 8671968 13007952 16280014 24420021 26015904 32560028 48840042 65120056 73260063 97680084 130240112 146520126 195360168 219780189 260480224 293040252 390720336 439560378 586080504 659340567 781440672 879120756 1172161008 1318681134 1758241512 2344322016 2637362268 3516483024 5274724536 7032966048 10549449072 21098898144
• Sum of all divisors σ(n): 62133975288
• Sum of proper divisors (its aliquot sum) s(n): 41035077144
• 21098898144 is an abundant number, because the sum of its proper divisors (41035077144) is greater than itself. Its abundance is 19936179000

Bases of 21098898144

• Binary: 10011101001100101111010001011100000₂
• Hexadecimal: 0x4E997A2E0
• Base-36: 9OXQM00

Squares and roots of 21098898144

• 21098898144 squared (21098898144²) is 445163502890886644736
• 21098898144 cubed (21098898144³) is 9392459404921066863134777769984
• The square root of 21098898144 is 145254.5976690583
• The cube root of 21098898144 is 2763.2483870253

Scales and comparisons

• 21,098,898,144 seconds is equal to 670 years, 45 weeks, 5 days, 5 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,098,898,144 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 21098898144 cubic inches would be around 230.3 feet tall.

Recreational maths with 21098898144

• 21098898144 backwards is 44189889012
• 21098898144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21098898144's digits is 54
• More coming soon!