21698841216

Names of 21698841216

• Cardinal: 21698841216 can be written as Twenty-one billion, six hundred ninety-eight million, eight hundred forty-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1698841216 × 10¹⁰

Factors of 21698841216

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4135

Divisors of 21698841216

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 29 32 37 39 48 52 58 64 74 78 87 96 104 111 116 128 148 156 174 192 208 222 232 296 312 348 377 384 416 444 464 481 592 624 696 754 832 888 928 962 1073 1131 1184 1248 1392 1443 1508 1664 1776 1856 1924 2146 2262 2368 2496 2784 2886 3016 3219 3552 3712 3848 4051 4292 4524 4736 4992 5568 5772 6032 6438 7104 7696 8102 8584 9048 11136 11544 12064 12153 12876 13949 14208 15392 16204 17168 18096 23088 24128 24306 25752 27898 30784 32408 34336 36192 41847 46176 48256 48612 51504 52663 55796 61568 64816 68672 72384 83694 92352 97224 103008 105326 111592 117479 129632 137344 144768 149887 157989 167388 184704 194448 206016 210652 223184 234958 259264 299774 315978 334776 352437 388896 412032 421304 446368 449661 469916 518528 599548 631956 669552 704874 777792 842608 892736 899322 939832 1199096 1263912 1339104 1409748 1527227 1555584 1685216 1785472 1798644 1879664 1948531 2398192 2527824 2678208 2819496 3054454 3370432 3597288 3759328 3897062 4346723 4581681 4796384 5055648 5356416 5638992 5845593 6108908 6740864 7194576 7518656 7794124 8693446 9163362 9592768 10111296 11277984 11691186 12217816 13040169 14389152 15037312 15588248 17386892 18326724 19185536 20222592 22555968 23382372 24435632 26080338 28778304 31176496 34773784 36653448 45111936 46764744 48871264 52160676 56507399 57556608 62352992 69547568 73306896 93529488 97742528 104321352 113014798 124705984 139095136 146613792 169522197 187058976 195485056 208642704 226029596 249411968 278190272 293227584 339044394 374117952 417285408 452059192 556380544 586455168 678088788 748235904 834570816 904118384 1356177576 1669141632 1808236768 2712355152 3616473536 5424710304 7232947072 10849420608 21698841216
• Sum of all divisors σ(n): 65963318400
• Sum of proper divisors (its aliquot sum) s(n): 44264477184
• 21698841216 is an abundant number, because the sum of its proper divisors (44264477184) is greater than itself. Its abundance is 22565635968

Bases of 21698841216

• Binary: 10100001101010110100000101010000000₂
• Hexadecimal: 0x50D5A0A80
• Base-36: 9YUXH1C

Squares and roots of 21698841216

• 21698841216 squared (21698841216²) is 470839710117180358656
• 21698841216 cubed (21698841216³) is 10216676108020165356110475165696
• The square root of 21698841216 is 147305.2654048729
• The cube root of 21698841216 is 2789.1948026487

Scales and comparisons

• 21,698,841,216 seconds is equal to 689 years, 49 weeks, 4 days, 23 hours, 53 minutes, 36 seconds.
• To count from 1 to 21,698,841,216 would take you about one thousand, three hundred seventy-nine 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 21698841216 cubic inches would be around 232.4 feet tall.

Recreational maths with 21698841216

• 21698841216 backwards is 61214889612
• 21698841216 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21698841216's digits is 48
• More coming soon!