21097857024

Names of 21097857024

• Cardinal: 21097857024 can be written as Twenty-one billion, ninety-seven million, eight hundred fifty-seven thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1097857024 × 10¹⁰

Factors of 21097857024

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1331

Divisors of 21097857024

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 96 108 111 128 144 148 192 216 222 256 288 296 333 384 432 444 512 576 592 666 768 864 888 999 1024 1152 1184 1289 1332 1536 1728 1776 1998 2048 2304 2368 2578 2664 3072 3456 3552 3867 3996 4096 4608 4736 5156 5328 6144 6912 7104 7734 7992 8192 9216 9472 10312 10656 11601 12288 13824 14208 15468 15984 16384 18432 18944 20624 21312 23202 24576 27648 28416 30936 31968 34803 36864 37888 41248 42624 46404 47693 49152 55296 56832 61872 63936 69606 73728 75776 82496 85248 92808 95386 110592 113664 123744 127872 139212 143079 147456 151552 164992 170496 185616 190772 221184 227328 247488 255744 278424 286158 303104 329984 340992 371232 381544 429237 442368 454656 494976 511488 556848 572316 606208 659968 681984 742464 763088 858474 909312 989952 1022976 1113696 1144632 1287711 1319936 1363968 1484928 1526176 1716948 1818624 1979904 2045952 2227392 2289264 2575422 2639872 2727936 2969856 3052352 3433896 3959808 4091904 4454784 4578528 5150844 5279744 5455872 5939712 6104704 6867792 7919616 8183808 8909568 9157056 10301688 10559488 11879424 12209408 13735584 15839232 16367616 17819136 18314112 20603376 21118976 23758848 24418816 27471168 31678464 35638272 36628224 41206752 47517696 48837632 54942336 63356928 71276544 73256448 82413504 95035392 97675264 109884672 142553088 146512896 164827008 190070784 195350528 219769344 285106176 293025792 329654016 390701056 439538688 570212352 586051584 659308032 781402112 879077376 1172103168 1318616064 1758154752 2344206336 2637232128 3516309504 5274464256 7032619008 10548928512 21097857024
• Sum of all divisors σ(n): 64249533600
• Sum of proper divisors (its aliquot sum) s(n): 43151676576
• 21097857024 is an abundant number, because the sum of its proper divisors (43151676576) is greater than itself. Its abundance is 22053819552

Bases of 21097857024

• Binary: 10011101001100001111100000000000000₂
• Hexadecimal: 0x4E987C000
• Base-36: 9OX4AO0

Squares and roots of 21097857024

• 21097857024 squared (21097857024²) is 445119571005146136576
• 21097857024 cubed (21097857024³) is 9391069067650789157706424909824
• The square root of 21097857024 is 145251.0138484411
• The cube root of 21097857024 is 2763.2029356711

Scales and comparisons

• 21,097,857,024 seconds is equal to 670 years, 44 weeks, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,097,857,024 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 21097857024 cubic inches would be around 230.3 feet tall.

Recreational maths with 21097857024

• 21097857024 backwards is 42075879012
• The number of decimal digits it has is: 11
• The sum of 21097857024's digits is 45
• More coming soon!