21311222016

Names of 21311222016

• Cardinal: 21311222016 can be written as Twenty-one billion, three hundred eleven million, two hundred twenty-two thousand and sixteen.

Scientific notation

• Scientific notation: 2.1311222016 × 10¹⁰

Factors of 21311222016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 249

Divisors of 21311222016

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 79 84 96 112 114 128 133 139 152 158 168 192 224 228 237 256 266 278 304 316 336 361 384 399 417 448 456 474 532 553 556 608 632 672 722 768 798 834 896 912 948 973 1064 1083 1106 1112 1216 1264 1344 1444 1501 1596 1659 1668 1792 1824 1896 1946 2128 2166 2212 2224 2432 2527 2528 2641 2688 2888 2919 3002 3192 3318 3336 3648 3792 3892 4256 4332 4424 4448 4503 4864 5054 5056 5282 5376 5776 5838 6004 6384 6636 6672 7296 7581 7584 7784 7923 8512 8664 8848 8896 9006 10108 10112 10507 10564 10981 11552 11676 12008 12768 13272 13344 14592 15162 15168 15568 15846 17024 17328 17696 17792 18012 18487 20216 20224 21014 21128 21962 23104 23352 24016 25536 26544 26688 28519 30324 30336 31136 31521 31692 32943 34048 34656 35392 35584 36024 36974 40432 42028 42256 43924 46208 46704 48032 50179 51072 53088 53376 55461 57038 60648 60672 62272 63042 63384 65886 69312 70784 72048 73948 76867 80864 84056 84512 85557 87848 92416 93408 96064 100358 102144 106176 106752 110922 114076 121296 124544 126084 126768 131772 138624 141568 144096 147896 150537 153734 161728 168112 169024 171114 175696 186816 192128 199633 200716 208639 212352 221844 228152 230601 242592 249088 252168 253536 263544 277248 288192 295792 301074 307468 323456 336224 338048 342228 351253 351392 373632 384256 399266 401432 417278 424704 443688 456304 461202 485184 504336 507072 527088 576384 591584 598899 602148 614936 625917 646912 672448 676096 684456 702506 702784 747264 798532 802864 834556 887376 912608 922404 970368 1008672 1014144 1053759 1054176 1152768 1183168 1197798 1204296 1229872 1251834 1344896 1368912 1405012 1405568 1460473 1597064 1605728 1669112 1774752 1825216 1844808 1940736 2017344 2028288 2107518 2108352 2366336 2395596 2408592 2459744 2503668 2689792 2737824 2810024 2811136 2920946 3194128 3211456 3338224 3549504 3650432 3689616 3964141 4034688 4215036 4216704 4381419 4732672 4791192 4817184 4919488 5007336 5475648 5620048 5841892 6388256 6422912 6676448 7099008 7300864 7379232 7928282 8069376 8430072 8433408 8762838 9582384 9634368 9838976 10014672 10951296 11240096 11683784 11892423 12776512 12845824 13352896 14198016 14758464 15856564 16860144 17525676 19164768 19268736 19677952 20029344 21902592 22480192 23367568 23784846 25553024 26705792 27748987 29516928 31713128 33720288 35051352 38329536 38537472 40058688 44960384 46735136 47569692 51106048 53411584 55497974 59033856 63426256 67440576 70102704 76659072 80117376 83246961 89920768 93470272 95139384 110995948 126852512 134881152 140205408 153318144 160234752 166493922 186940544 190278768 221991896 253705024 269762304 280410816 332987844 373881088 380557536 443983792 507410048 560821632 665975688 761115072 887967584 1014820096 1121643264 1331951376 1522230144 1775935168 2663902752 3044460288 3551870336 5327805504 7103740672 10655611008 21311222016
• Sum of all divisors σ(n): 69777254400
• Sum of proper divisors (its aliquot sum) s(n): 48466032384
• 21311222016 is an abundant number, because the sum of its proper divisors (48466032384) is greater than itself. Its abundance is 27154810368

Bases of 21311222016

• Binary: 10011110110001111110111000100000000₂
• Hexadecimal: 0x4F63F7100
• Base-36: 9SG5G5C

Squares and roots of 21311222016

• 21311222016 squared (21311222016²) is 454168183815243104256
• 21311222016 cubed (21311222016³) is 9678878997890143719812650500096
• The square root of 21311222016 is 145983.6361240533
• The cube root of 21311222016 is 2772.4865704675

Scales and comparisons

• 21,311,222,016 seconds is equal to 677 years, 32 weeks, 5 days, 15 hours, 53 minutes, 36 seconds.
• To count from 1 to 21,311,222,016 would take you about one thousand, three hundred fifty-five 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 21311222016 cubic inches would be around 231 feet tall.

Recreational maths with 21311222016

• 21311222016 backwards is 61022211312
• 21311222016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21311222016's digits is 21
• More coming soon!