21292881942434427

Names of 21292881942434427

• Cardinal: 21292881942434427 can be written as Twenty-one quadrillion, two hundred ninety-two trillion, eight hundred eighty-one billion, nine hundred forty-two million, four hundred thirty-four thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 2.1292881942434427 × 10¹⁶

Factors of 21292881942434427

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 563

Divisors of 21292881942434427

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 9 13 19 27 37 39 57 81 111 117 171 243 247 333 351 481 491 513 703 729 741 999 1053 1443 1473 1539 2109 2187 2223 2997 3159 4329 4419 4617 6327 6383 6561 6669 8991 9139 9329 9477 12987 13257 13851 18167 18981 19149 19683 20007 26973 27417 27987 28431 38961 39771 41553 54501 56943 57447 60021 80919 82251 83961 85293 116883 119313 121277 124659 163503 170829 172341 180063 236171 241081 242757 246753 251883 255879 345173 350649 357939 363831 373977 490509 512487 517023 540189 708513 723243 728271 740259 755649 1035519 1051947 1073817 1091493 1471527 1537461 1551069 1620567 2125539 2169729 2220777 2266947 3106557 3134053 3155841 3221451 3274479 4414581 4487249 4580539 4612383 4653207 4861701 6376617 6509187 6662331 6800841 8919997 9319671 9402159 9467523 9664353 9823437 13243743 13461747 13741617 13837149 13959621 19129851 19527561 19986993 20402523 26759991 27959013 28206477 29470311 39731229 40385241 41224851 41878863 57389553 58582683 59547007 59960979 61207569 80279973 83877039 84619431 88410933 115959961 118370771 119193687 121155723 123674553 125636589 169479943 172168659 175748049 178641021 179882937 183622707 240839919 251631117 253858293 265232799 347879883 355112313 357581061 363467169 371023659 508439829 516505977 527244147 535923063 722519757 754893351 761574879 795698397 1043639649 1065336939 1090401507 1113070977 1525319487 1538820023 1549517931 1581732441 1607769189 2167559271 2203239259 2249044649 2264680053 2284724637 2387095191 3130918947 3196010817 3271204521 3339212931 4379718527 4575958461 4616460069 4648553793 4745197323 4823307567 6502677813 6609717777 6747133947 6794040159 6854173911 9392756841 9588032451 9813613563 10017638793 13139155581 13727875383 13849380207 14469922701 19508033439 19829153331 20241401841 20562521733 28178270523 28764097353 29237580437 29440840689 30052916379 39417466743 41183626149 41548140621 43409768103 56936340851 58524100317 59487459993 60724205523 61687565199 83214652013 84534811569 86292292059 87712741311 88322522067 90158749137 118252400229 123550878447 124644421863 130229304309 170809022553 175572300951 178462379979 182172616569 249643956039 253604434707 258876876177 263138223933 354757200687 370652635341 373933265589 390687912927 512427067659 535387139937 546517849707 748931868117 760813304121 776630628531 789414671799 1064271602061 1081790476169 1111957906023 1121799796767 1172063738781 1537281202977 1606161419811 1639553549121 2246795604351 2282439912363 2329891885593 2368244015397 3192814806183 3245371428507 3335873718069 3365399390301 4611843608931 4818484259433 4918660647363 6740386813053 7104732046191 9578444418549 9736114285521 10096198170903 13835530826793 14455452778299 14755981942089 20221160439159 21314196138573 28735333255647 29208342856563 30288594512709 41506592480379 43366358334897 44267945826267 60663481317477 63942588415719 86205999766941 87625028569689 124519777441137 181990443952431 191827765247157 262875085709067 373559332323411 545971331857293 575483295741471 788625257127201 1120677996970233 1637913995571879 2365875771381603 7097627314144809 21292881942434427
• Sum of all divisors σ(n): 37260331382883840
• Sum of proper divisors (its aliquot sum) s(n): 15967449440449413
• 21292881942434427 is a deficient number, because the sum of its proper divisors (15967449440449413) is less than itself. Its deficiency is 5325432501985014

Bases of 21292881942434427

• Binary: 1001011101001011100001101101000011011000101001001111011₂
• Hexadecimal: 0x4BA5C3686C527B
• Base-36: 5TNP2XALSOR

Squares and roots of 21292881942434427

• 21292881942434427 squared (21292881942434427²) is 453386821414450097011023194818329
• 21292881942434427 cubed (21292881942434427³) is 9653912062633486845172779272184553308170260212483
• The square root of 21292881942434427 is 145920807.0921841735
• The cube root of 21292881942434427 is 277169.1024021193

Scales and comparisons

• 21,292,881,942,434,427 seconds is equal to 677,047,782 years, 29 weeks, 1 day, 6 hours, 27 seconds.
• To count from 1 to 21,292,881,942,434,427 would take you about two billion, thirty-one million, one hundred forty-three thousand, three hundred forty-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 21292881942434427 cubic inches would be around 23097.4 feet tall.

Recreational maths with 21292881942434427

• 21292881942434427 backwards is 72443424918829212
• The number of decimal digits it has is: 17
• The sum of 21292881942434427's digits is 72
• More coming soon!