21842820894916

Names of 21842820894916

• Cardinal: 21842820894916 can be written as Twenty-one trillion, eight hundred forty-two billion, eight hundred twenty million, eight hundred ninety-four thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 2.1842820894916 × 10¹³

Factors of 21842820894916

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1402

Divisors of 21842820894916

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 14 17 19 28 34 38 68 76 119 127 133 137 238 254 266 274 323 476 508 532 548 646 889 959 1093 1292 1778 1918 2159 2186 2261 2329 2413 2603 3556 3836 4318 4372 4522 4658 4826 5206 7651 8636 9044 9316 9652 10412 15113 15302 16129 16303 16891 17399 18221 18581 20767 30226 30604 32258 32606 33782 34798 36442 37162 41021 41534 44251 60452 64516 65212 67564 69596 72884 74324 82042 83068 88502 112903 121793 130067 138811 145369 149741 164084 177004 225806 243586 260134 274193 277622 287147 290738 295783 299482 306451 309757 330581 353039 451612 487172 520268 548386 555244 574294 581476 591566 598964 612902 619514 661162 706078 971677 1048187 1096772 1148588 1183132 1225804 1239028 1322324 1412156 1919351 1943354 2070481 2096374 2145157 2209673 2314067 2359787 2471273 2545597 2637409 2845079 3838702 3886708 4140962 4192748 4290314 4419346 4628134 4719574 4942546 5091194 5209667 5274818 5619877 5690158 7677404 8281924 8580628 8838692 9256268 9439148 9885092 10182388 10419334 10549636 11239754 11380316 15467711 16518509 17628997 17819179 18461863 19017107 19915553 20838668 22479508 30935422 33037018 35257994 35638358 36467669 36923726 37564441 38034214 39339139 39831106 41983787 44835953 48366343 61870844 66074036 70515988 71276716 72935338 73847452 75128882 76068428 78678278 79662212 83967574 89671906 96732686 123402979 133119749 145870676 150257764 157356556 167935148 179343812 193465372 246805958 262951087 266239498 293886509 299692949 313851671 323290819 334950943 338564401 361325033 493611916 525902174 532478996 587773018 599385898 627703342 646581638 669901886 677128802 713724379 722650066 1051804348 1175546036 1198771796 1255406684 1293163276 1339803772 1354257604 1427448758 1445300132 2097850643 2263035733 2344656601 2415172589 2529275231 2854897516 4195701286 4526071466 4689313202 4830345178 4996070653 5058550462 5694166031 6142525561 8391402572 9052142932 9378626404 9660690356 9992141306 10117100924 11388332062 12285051122 16906208123 19984282612 22776664124 24570102244 33812416246 39859162217 41057934013 42997678927 45888279191 67624832492 79718324434 82115868026 85995357854 91776558382 159436648868 164231736052 171990715708 183553116764 287405538091 321217954337 574811076182 642435908674 780100746247 1149622152364 1284871817348 1560201492494 3120402984988 5460705223729 10921410447458 21842820894916
• Sum of all divisors σ(n): 49479732368640
• Sum of proper divisors (its aliquot sum) s(n): 27636911473724
• 21842820894916 is an abundant number, because the sum of its proper divisors (27636911473724) is greater than itself. Its abundance is 5794090578808

Bases of 21842820894916

• Binary: 100111101110110101101100101001001000011000100₂
• Hexadecimal: 0x13DDAD9490C4
• Base-36: 7QQGBLGAS

Squares and roots of 21842820894916

• 21842820894916 squared (21842820894916²) is 477108824647379007114647056
• 21842820894916 cubed (21842820894916³) is 10421402604156584042317786538749404767296
• The square root of 21842820894916 is 4673630.3763686747
• The cube root of 21842820894916 is 27953.5031424269

Scales and comparisons

• 21,842,820,894,916 seconds is equal to 694,534 years, 7 weeks, 2 days, 35 minutes, 16 seconds.
• To count from 1 to 21,842,820,894,916 would take you about one million, seven hundred thirty-six thousand, three hundred thirty-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 21842820894916 cubic inches would be around 2329.5 feet tall.

Recreational maths with 21842820894916

• 21842820894916 backwards is 61949802824812
• The number of decimal digits it has is: 14
• The sum of 21842820894916's digits is 64
• More coming soon!