21020754551013

Names of 21020754551013

• Cardinal: 21020754551013 can be written as Twenty-one trillion, twenty billion, seven hundred fifty-four million, five hundred fifty-one thousand and thirteen.

Scientific notation

• Scientific notation: 2.1020754551013 × 10¹³

Factors of 21020754551013

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7271

Divisors of 21020754551013

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 17 21 49 51 63 67 119 147 153 201 289 343 357 441 469 603 833 867 1029 1071 1139 1407 2023 2401 2499 2601 3087 3283 3417 4221 5831 6069 7177 7203 7497 7973 9849 10251 14161 16807 17493 18207 19363 21531 21609 22981 23919 29547 40817 42483 50239 50421 52479 55811 58089 64593 68943 71757 99127 122009 122451 127449 135541 150717 151263 160867 167433 174267 206829 285719 297381 351673 366027 367353 390677 406623 452151 480859 482601 502299 693889 854063 857157 892143 948787 1055019 1098081 1126069 1172031 1219869 1442577 1447803 2074153 2081667 2461711 2562189 2571471 2734739 2846361 3165057 3366013 3378207 3516093 4327731 4857223 5978441 6222459 6245001 6641509 7385133 7686567 8174603 8204217 8539083 10098039 10134621 14519071 14571669 17231977 17935323 18667377 19143173 19924527 22155399 23562091 24523809 24612651 30294117 41849087 43557213 43715007 46490563 51695931 53805969 57222221 57429519 59773581 70686273 73571427 101633497 120623839 125547261 130671639 138968251 139471689 155087793 164934637 171666663 172288557 212058819 292943609 304900491 325433941 361871517 376641783 400555547 416904753 418415067 494803911 514999989 711434479 878830827 914701473 972777757 976301823 1085614551 1154542459 1201666641 1250714259 1484411733 2050605263 2134303437 2636492481 2803888829 2918333271 2928905469 3463627377 3604999923 4980041353 6151815789 6402910311 6809444299 8081797213 8411666487 8754999813 10390882131 14940124059 18455447367 19627221803 20428332897 24245391639 25234999461 34860289471 44820372177 47666110093 58881665409 61284998691 72736174917 104580868413 137390552621 142998330279 176644996227 313742605239 333662770651 412171657863 428994990837 1000988311953 1236514973589 2335639394557 3002964935859 7006918183671 21020754551013
• Sum of all divisors σ(n): 38196836238912
• Sum of proper divisors (its aliquot sum) s(n): 17176081687899
• 21020754551013 is a deficient number, because the sum of its proper divisors (17176081687899) is less than itself. Its deficiency is 3844672863114

Bases of 21020754551013

• Binary: 100110001111001000110100110111010000011100101₂
• Hexadecimal: 0x131E469BA0E5
• Base-36: 7G8SUIPR9

Squares and roots of 21020754551013

• 21020754551013 squared (21020754551013²) is 441872121893933751219326169
• 21020754551013 cubed (21020754551013³) is 9288485417267678977820773504925996359197
• The square root of 21020754551013 is 4584839.6428897053
• The cube root of 21020754551013 is 27598.3276970259

Scales and comparisons

• 21,020,754,551,013 seconds is equal to 668,394 years, 50 weeks, 4 days, 6 hours, 23 minutes, 33 seconds.
• To count from 1 to 21,020,754,551,013 would take you about one million, six hundred seventy thousand, nine hundred eighty-seven 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 21020754551013 cubic inches would be around 2299.9 feet tall.

Recreational maths with 21020754551013

• 21020754551013 backwards is 31015545702012
• The number of decimal digits it has is: 14
• The sum of 21020754551013's digits is 36
• More coming soon!