21073575328

Names of 21073575328

• Cardinal: 21073575328 can be written as Twenty-one billion, seventy-three million, five hundred seventy-five thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1073575328 × 10¹⁰

Factors of 21073575328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 706

Divisors of 21073575328

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 61 104 122 127 169 208 244 254 338 416 488 503 508 676 793 976 1006 1016 1352 1586 1651 1952 2012 2032 2704 3172 3302 4024 4064 5408 6344 6539 6604 7747 8048 10309 12688 13078 13208 15494 16096 20618 21463 25376 26156 26416 30683 30988 41236 42926 52312 52832 61366 61976 63881 82472 85007 85852 100711 104624 122732 123952 127762 164944 170014 171704 201422 209248 245464 247904 255524 329888 340028 343408 398879 402844 490928 511048 680056 686816 797758 805688 830453 981856 1022096 1309243 1360112 1595516 1611376 1660906 2044192 2618486 2720224 3191032 3222752 3321812 3896741 5185427 5236972 6382064 6643624 7793482 10370854 10473944 10795889 12764128 13287248 15586964 20741708 20947888 21591778 26574496 31173928 41483416 41895776 43183556 50657633 62347856 82966832 86367112 101315266 124695712 165933664 172734224 202630532 345468448 405261064 658549229 810522128 1317098458 1621044256 2634196916 5268393832 10536787664 21073575328
• Sum of all divisors σ(n): 46113048576
• Sum of proper divisors (its aliquot sum) s(n): 25039473248
• 21073575328 is an abundant number, because the sum of its proper divisors (25039473248) is greater than itself. Its abundance is 3965897920

Bases of 21073575328

• Binary: 10011101000000101010011110110100000₂
• Hexadecimal: 0x4E8153DA0
• Base-36: 9OINUSG

Squares and roots of 21073575328

• 21073575328 squared (21073575328²) is 444095577104890307584
• 21073575328 cubed (21073575328³) is 9358681596951538054048513687552
• The square root of 21073575328 is 145167.4044956373
• The cube root of 21073575328 is 2762.1424644547

Scales and comparisons

• 21,073,575,328 seconds is equal to 670 years, 3 weeks, 6 days, 2 hours, 55 minutes, 28 seconds.
• To count from 1 to 21,073,575,328 would take you about one thousand, three hundred forty 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 21073575328 cubic inches would be around 230.2 feet tall.

Recreational maths with 21073575328

• 21073575328 backwards is 82357537012
• The number of decimal digits it has is: 11
• The sum of 21073575328's digits is 43
• More coming soon!