21679326648

Names of 21679326648

• Cardinal: 21679326648 can be written as Twenty-one billion, six hundred seventy-nine million, three hundred twenty-six thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.1679326648 × 10¹⁰

Factors of 21679326648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 661

Divisors of 21679326648

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 27 28 36 38 42 54 56 57 63 72 76 81 84 108 114 126 133 152 162 168 171 189 191 216 228 243 252 266 324 342 378 382 399 439 456 486 504 513 532 567 573 648 684 756 764 798 878 972 1026 1064 1134 1146 1197 1317 1337 1368 1512 1528 1539 1596 1701 1719 1756 1944 2052 2268 2292 2394 2634 2674 3073 3078 3192 3402 3438 3512 3591 3629 3951 4011 4104 4536 4584 4617 4788 5157 5268 5348 6146 6156 6804 6876 7182 7258 7902 8022 8341 9219 9234 9576 10314 10536 10696 10773 10887 11853 12033 12292 12312 13608 13752 14364 14516 15471 15804 16044 16682 18438 18468 20628 21546 21774 23706 24066 24584 25023 25403 27657 28728 29032 30942 31608 32088 32319 32661 33364 35559 36099 36876 36936 41256 43092 43548 46413 47412 48132 50046 50806 55314 58387 61884 64638 65322 66728 71118 72198 73752 75069 76209 82971 83849 86184 87096 92826 94824 96264 97983 100092 101612 106677 108297 110628 116774 123768 129276 130644 142236 144396 150138 152418 165942 167698 175161 185652 195966 200184 203224 213354 216594 221256 225207 228627 233548 248913 251547 258552 261288 284472 288792 293949 300276 304836 324891 331884 335396 350322 371304 391932 426708 433188 450414 457254 467096 497826 503094 525483 586943 587898 600552 609672 649782 663768 670792 675621 685881 700644 746739 754641 783864 853416 866376 881847 900828 914508 995652 1006188 1050966 1173886 1175796 1299564 1351242 1371762 1401288 1493478 1509282 1576449 1593131 1760829 1763694 1801656 1829016 1991304 2012376 2026863 2057643 2101932 2263923 2347772 2351592 2599128 2702484 2743524 2986956 3018564 3152898 3186262 3521658 3527388 4053726 4115286 4203864 4527846 4695544 4729347 4779393 5282487 5404968 5487048 5973912 6037128 6172929 6305796 6372524 6791769 7043316 7054776 8107452 8230572 9055692 9458694 9558786 10564974 11151917 12345858 12611592 12745048 13583538 14086632 14188041 14338179 15847461 16214904 16461144 18111384 18917388 19117572 20375307 21129948 22303834 24691716 27167076 28376082 28676358 31694922 33455751 37834776 38235144 40750614 42259896 43014537 44607668 47542383 49383432 54334152 56752164 57352716 63389844 66911502 81501228 86029074 89215336 95084766 100367253 113504328 114705432 126779688 129043611 133823004 142627149 163002456 172058148 190169532 200734506 258087222 267646008 285254298 301101759 344116296 380339064 387130833 401469012 516174444 570508596 602203518 774261666 802938024 903305277 1032348888 1141017192 1204407036 1548523332 1806610554 2408814072 2709915831 3097046664 3613221108 5419831662 7226442216 10839663324 21679326648
• Sum of all divisors σ(n): 73801728000
• Sum of proper divisors (its aliquot sum) s(n): 52122401352
• 21679326648 is an abundant number, because the sum of its proper divisors (52122401352) is greater than itself. Its abundance is 30443074704

Bases of 21679326648

• Binary: 10100001100001100000100010110111000₂
• Hexadecimal: 0x50C3045B8
• Base-36: 9YJB7I0

Squares and roots of 21679326648

• 21679326648 squared (21679326648²) is 469993203910682915904
• 21679326648 cubed (21679326648³) is 10189136189919765950635930209792
• The square root of 21679326648 is 147239.0119771253
• The cube root of 21679326648 is 2788.3584099553

Scales and comparisons

• 21,679,326,648 seconds is equal to 689 years, 17 weeks, 3 days, 3 hours, 10 minutes, 48 seconds.
• To count from 1 to 21,679,326,648 would take you about one thousand, three hundred seventy-eight 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 21679326648 cubic inches would be around 232.4 feet tall.

Recreational maths with 21679326648

• 21679326648 backwards is 84662397612
• 21679326648 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21679326648's digits is 54
• More coming soon!