21071454976

Names of 21071454976

• Cardinal: 21071454976 can be written as Twenty-one billion, seventy-one million, four hundred fifty-four thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 2.1071454976 × 10¹⁰

Factors of 21071454976

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 164

Divisors of 21071454976

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 64 67 71 88 104 121 128 134 142 143 176 208 242 256 268 284 286 352 416 484 536 568 572 704 737 781 832 871 923 968 1072 1136 1144 1331 1408 1474 1562 1573 1664 1742 1846 1936 2144 2272 2288 2662 2816 2948 3124 3146 3328 3484 3692 3872 4288 4544 4576 4757 5324 5896 6248 6292 6968 7384 7744 8107 8576 8591 9088 9152 9514 9581 10153 10648 11792 12496 12584 13936 14768 15488 16214 17152 17182 17303 18176 18304 19028 19162 20306 21296 23584 24992 25168 27872 29536 30976 32428 34364 34606 36608 38056 38324 40612 42592 47168 49984 50336 52327 55744 59072 61841 64856 68728 69212 76112 76648 81224 85184 89177 94336 94501 99968 100672 104654 105391 111488 111683 118144 123682 129712 137456 138424 152224 153296 162448 170368 178354 188672 189002 199936 201344 209308 210782 222976 223366 236288 247364 259424 274912 276848 304448 306592 324896 340736 356708 378004 402688 418616 421564 446732 494728 518848 549824 553696 575597 608896 613184 649792 680251 713416 756008 837232 843128 893464 989456 1037696 1099648 1107392 1151194 1159301 1217792 1226368 1228513 1299584 1360502 1426832 1512016 1674464 1686256 1786928 1978912 2075392 2199296 2214784 2302388 2318602 2452736 2457026 2599168 2721004 2853664 3024032 3348928 3372512 3573856 3957824 4429568 4604776 4637204 4914052 5442008 5707328 6048064 6331567 6697856 6745024 7147712 7482761 7915648 9209552 9274408 9828104 10884016 11414656 12096128 12663134 13395712 13490048 14295424 14965522 15831296 18419104 18548816 19656208 21768032 22829312 24192256 25326268 26980096 28590848 29931044 36838208 37097632 39312416 43536064 50652536 59862088 73676416 74195264 78624832 82310371 87072128 101305072 119724176 147352832 148390528 157249664 164620742 174144256 202610144 239448352 296781056 314499328 329241484 405220288 478896704 658482968 810440576 957793408 1316965936 1620881152 1915586816 2633931872 5267863744 10535727488 21071454976
• Sum of all divisors σ(n): 51278040576
• Sum of proper divisors (its aliquot sum) s(n): 30206585600
• 21071454976 is an abundant number, because the sum of its proper divisors (30206585600) is greater than itself. Its abundance is 9135130624

Bases of 21071454976

• Binary: 10011100111111101001110001100000000₂
• Hexadecimal: 0x4E7F4E300
• Base-36: 9OHEEPS

Squares and roots of 21071454976

• 21071454976 squared (21071454976²) is 444006214805595160576
• 21071454976 cubed (21071454976³) is 9355856964340283018960674226176
• The square root of 21071454976 is 145160.1011848641
• The cube root of 21071454976 is 2762.0498221979

Scales and comparisons

• 21,071,454,976 seconds is equal to 670 years, 2 days, 13 hours, 56 minutes, 16 seconds.
• To count from 1 to 21,071,454,976 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 21071454976 cubic inches would be around 230.2 feet tall.

Recreational maths with 21071454976

• 21071454976 backwards is 67945417012
• The number of decimal digits it has is: 11
• The sum of 21071454976's digits is 46
• More coming soon!