16720997904

Names of 16720997904

• Cardinal: 16720997904 can be written as Sixteen billion, seven hundred twenty million, nine hundred ninety-seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.6720997904 × 10¹⁰

Factors of 16720997904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3144

Divisors of 16720997904

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 34 36 39 48 51 52 68 72 78 102 104 117 136 144 153 156 169 204 208 221 234 272 306 312 338 408 442 468 507 612 624 663 676 816 884 936 1014 1224 1326 1352 1521 1768 1872 1989 2028 2197 2448 2652 2704 2873 3042 3109 3536 3978 4056 4394 5304 5746 6084 6218 6591 7956 8112 8619 8788 9327 10608 11492 12168 12436 13182 15912 17238 17576 18654 19773 22984 24336 24872 25857 26364 27981 31824 34476 35152 37308 37349 39546 40417 45968 49744 51714 52728 52853 55962 68952 74616 74698 79092 80834 103428 105456 105706 111924 112047 121251 137904 149232 149396 158184 158559 161668 206856 211412 223848 224094 242502 298792 316368 317118 323336 336141 363753 413712 422824 447696 448188 475677 485004 525421 597584 634236 646672 672282 687089 727506 845648 896376 951354 970008 1050842 1268472 1344564 1374178 1455012 1576263 1792752 1902708 1940016 2061267 2101684 2536944 2689128 2748356 2910024 3152526 3805416 4122534 4203368 4728789 5378256 5496712 5820048 6183801 6305052 6830473 7610832 8245068 8406736 8932157 9457578 10993424 12367602 12610104 13660946 16490136 17864314 18915156 20491419 24735204 25220208 26796471 27321892 32980272 35728628 37830312 40982838 49470408 53592942 54643784 61474257 71457256 75660624 80389413 81965676 98940816 107185884 109287568 116118041 122948514 142914512 160778826 163931352 214371768 232236082 245897028 321557652 327862704 348354123 428743536 464472164 491794056 643115304 696708246 928944328 983588112 1045062369 1286230608 1393416492 1857888656 2090124738 2786832984 4180249476 5573665968 8360498952 16720997904
• Sum of all divisors σ(n): 53692657200
• Sum of proper divisors (its aliquot sum) s(n): 36971659296
• 16720997904 is an abundant number, because the sum of its proper divisors (36971659296) is greater than itself. Its abundance is 20250661392

Bases of 16720997904

• Binary: 1111100100101001100010111000010000₂
• Hexadecimal: 0x3E4A62E10
• Base-36: 7OJ90K0

Squares and roots of 16720997904

• 16720997904 squared (16720997904²) is 279591770905572393216
• 16720997904 cubed (16720997904³) is 4675053415287724168884999819264
• The square root of 16720997904 is 129309.6976409735
• The cube root of 16720997904 is 2557.1373999969

Scales and comparisons

• 16,720,997,904 seconds is equal to 531 years, 35 weeks, 1 day, 1 hour, 38 minutes, 24 seconds.
• To count from 1 to 16,720,997,904 would take you about one thousand and sixty-three 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 16720997904 cubic inches would be around 213.1 feet tall.

Recreational maths with 16720997904

• 16720997904 backwards is 40979902761
• The number of decimal digits it has is: 11
• The sum of 16720997904's digits is 54
• More coming soon!