21684222072

Names of 21684222072

• Cardinal: 21684222072 can be written as Twenty-one billion, six hundred eighty-four million, two hundred twenty-two thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1684222072 × 10¹⁰

Factors of 21684222072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 288

Divisors of 21684222072

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 27 36 37 46 54 69 72 74 92 108 111 138 148 184 207 216 222 223 276 296 333 414 444 446 529 552 621 666 669 828 851 888 892 999 1058 1242 1332 1338 1587 1656 1702 1784 1998 2007 2116 2484 2553 2664 2676 3174 3404 3996 4014 4232 4761 4968 5106 5129 5352 6021 6348 6808 7659 7992 8028 8251 9522 10212 10258 12042 12167 12696 14283 15318 15387 16056 16502 19044 19573 20424 20516 22977 24084 24334 24753 28566 30636 30774 33004 36501 38088 39146 41032 45954 46161 48168 48668 49506 57132 58719 61272 61548 66008 73002 74259 78292 91908 92322 97336 99012 109503 114264 117438 117967 123096 138483 146004 148518 156584 176157 183816 184644 189773 198024 219006 222777 234876 235934 276966 292008 297036 328509 352314 353901 369288 379546 438012 445554 450179 469752 471868 528471 553932 569319 594072 657018 704628 707802 759092 876024 891108 900358 943736 1056942 1061703 1107864 1138638 1314036 1350537 1409256 1415604 1518184 1707957 1782216 1800716 2113884 2123406 2277276 2628072 2701074 2713241 2831208 3185109 3415914 3601432 4051611 4227768 4246812 4364779 4554552 5123871 5402148 5426482 6370218 6831828 8103222 8139723 8493624 8729558 10247742 10804296 10852964 12154833 12740436 13094337 13663656 16206444 16279446 17459116 20495484 21705928 24309666 24419169 25480872 26188674 32412888 32558892 34918232 39283011 40990968 48619332 48838338 52377348 65117784 73257507 78566022 97238664 97676676 100389917 104754696 117849033 146515014 157132044 195353352 200779834 235698066 293030028 301169751 314264088 401559668 471396132 586060056 602339502 803119336 903509253 942792264 1204679004 1807018506 2409358008 2710527759 3614037012 5421055518 7228074024 10842111036 21684222072
• Sum of all divisors σ(n): 64963584000
• Sum of proper divisors (its aliquot sum) s(n): 43279361928
• 21684222072 is an abundant number, because the sum of its proper divisors (43279361928) is greater than itself. Its abundance is 21595139856

Bases of 21684222072

• Binary: 10100001100011110101111100001111000₂
• Hexadecimal: 0x50C7AF878
• Base-36: 9YM84U0

Squares and roots of 21684222072

• 21684222072 squared (21684222072²) is 470205486867811973184
• 21684222072 cubed (21684222072³) is 10196040196714514535262364917248
• The square root of 21684222072 is 147255.6351111901
• The cube root of 21684222072 is 2788.5682745509

Scales and comparisons

• 21,684,222,072 seconds is equal to 689 years, 25 weeks, 3 days, 19 hours, 1 minute, 12 seconds.
• To count from 1 to 21,684,222,072 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 21684222072 cubic inches would be around 232.4 feet tall.

Recreational maths with 21684222072

• 21684222072 backwards is 27022248612
• 21684222072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21684222072's digits is 36
• More coming soon!