20971776

Names of 20971776

• Cardinal: 20971776 can be written as Twenty million, nine hundred seventy-one thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.0971776 × 10⁷

Factors of 20971776

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 142

Divisors of 20971776

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 47 48 56 64 83 84 94 96 112 128 141 166 168 188 192 224 249 256 282 329 332 336 376 384 448 498 564 581 658 664 672 752 768 896 987 996 1128 1162 1316 1328 1344 1504 1743 1792 1974 1992 2256 2324 2632 2656 2688 3008 3486 3901 3948 3984 4512 4648 5264 5312 5376 6016 6972 7802 7896 7968 9024 9296 10528 10624 11703 12032 13944 15604 15792 15936 18048 18592 21056 21248 23406 27307 27888 31208 31584 31872 36096 37184 42112 46812 54614 55776 62416 63168 63744 74368 81921 84224 93624 109228 111552 124832 126336 148736 163842 187248 218456 223104 249664 252672 327684 374496 436912 446208 499328 655368 748992 873824 998656 1310736 1497984 1747648 2621472 2995968 3495296 5242944 6990592 10485888 20971776
• Sum of all divisors σ(n): 65931264
• Sum of proper divisors (its aliquot sum) s(n): 44959488
• 20971776 is an abundant number, because the sum of its proper divisors (44959488) is greater than itself. Its abundance is 23987712

Bases of 20971776

• Binary: 1010000000000000100000000₂
• Hexadecimal: 0x1400100
• Base-36: CHHXC

Squares and roots of 20971776

• 20971776 squared (20971776²) is 439815388594176
• 20971776 cubed (20971776³) is 9223709810950013976576
• The square root of 20971776 is 4579.4951686841
• The cube root of 20971776 is 275.7687624209

Scales and comparisons

• 20,971,776 seconds is equal to 34 weeks, 4 days, 17 hours, 29 minutes, 36 seconds.
• To count from 1 to 20,971,776 would take you about two hours!

  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 20971776 cubic inches would be around 23 feet tall.

Recreational maths with 20971776

• 20971776 backwards is 67717902
• The number of decimal digits it has is: 8
• The sum of 20971776's digits is 39
• More coming soon!