21454428109824

Names of 21454428109824

• Cardinal: 21454428109824 can be written as Twenty-one trillion, four hundred fifty-four billion, four hundred twenty-eight million, one hundred nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1454428109824 × 10¹³

Factors of 21454428109824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 31851

Divisors of 21454428109824

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 87 96 108 116 128 144 174 192 216 232 256 261 288 348 384 432 464 512 522 576 696 768 783 841 864 928 1024 1044 1152 1392 1536 1566 1682 1728 1856 2088 2304 2523 2784 3072 3132 3364 3456 3712 4176 4608 5046 5568 6264 6728 6912 7424 7569 8352 9216 10092 11136 12528 13456 13824 14848 15138 16704 20184 22272 22707 24389 25056 26912 27648 29696 30276 31817 33408 40368 44544 45414 48778 50112 53824 60552 63634 66816 73167 80736 89088 90828 95451 97556 100224 107648 121104 127268 133632 146334 161472 181656 190902 195112 200448 215296 219501 242208 254536 267264 286353 292668 322944 363312 381804 390224 400896 430592 439002 484416 509072 572706 585336 645888 658503 726624 763608 780448 801792 859059 861184 878004 922693 968832 1018144 1145412 1170672 1291776 1317006 1453248 1527216 1560896 1718118 1756008 1845386 1937664 2036288 2290824 2341344 2583552 2634012 2768079 2906496 3054432 3121792 3436236 3512016 3690772 3875328 4072576 4581648 4682688 5268024 5536158 5812992 6108864 6243584 6872472 7024032 7381544 7750656 8145152 8304237 9163296 9365376 10536048 11072316 11625984 12217728 12487168 13744944 14048064 14763088 16290304 16608474 18326592 18730752 21072096 22144632 23251968 24435456 24912711 24974336 26758097 27489888 28096128 29526176 32580608 33216948 36653184 37461504 42144192 44289264 48870912 49825422 53516194 54979776 56192256 59052352 66433896 73306368 74923008 80274291 84288384 88578528 97741824 99650844 107032388 109959552 112384512 118104704 132867792 146612736 160548582 168576768 177157056 199301688 214064776 219919104 224769024 236209408 240822873 265735584 293225472 321097164 337153536 354314112 398603376 428129552 439838208 472418816 481645746 531471168 642194328 674307072 708628224 722468619 775984813 797206752 856259104 879676416 944837632 963291492 1062942336 1284388656 1417256448 1444937238 1551969626 1594413504 1712518208 1926582984 2125884672 2327954439 2568777312 2834512896 2889874476 3103939252 3188827008 3425036416 3853165968 4251769344 4655908878 5137554624 5779748952 6207878504 6377654016 6850072832 6983863317 7706331936 8503538688 9311817756 10275109248 11559497904 12415757008 12755308032 13700145664 13967726634 15412663872 18623635512 20550218496 20951589951 23118995808 24831514016 25510616064 27400291328 27935453268 30825327744 37247271024 41100436992 41903179902 46237991616 49663028032 55870906536 61650655488 74494542048 82200873984 83806359804 92475983232 99326056064 111741813072 123301310976 148989084096 167612719608 184951966464 198652112128 223483626144 246602621952 297978168192 335225439216 369903932928 397304224256 446967252288 595956336384 670450878432 739807865856 794608448512 893934504576 1191912672768 1340901756864 1787869009152 2383825345536 2681803513728 3575738018304 5363607027456 7151476036608 10727214054912 21454428109824
• Sum of all divisors σ(n): 65808813038400
• Sum of proper divisors (its aliquot sum) s(n): 44354384928576
• 21454428109824 is an abundant number, because the sum of its proper divisors (44354384928576) is greater than itself. Its abundance is 22899956818752

Bases of 21454428109824

• Binary: 100111000001100111111100100001111110000000000₂
• Hexadecimal: 0x13833F90FC00
• Base-36: 7LS10K5C0

Squares and roots of 21454428109824

• 21454428109824 squared (21454428109824²) is 460292485519606213405310976
• 21454428109824 cubed (21454428109824³) is 9875312040072596023562111933226600628224
• The square root of 21454428109824 is 4631892.4976540635
• The cube root of 21454428109824 is 27786.8285126733

Scales and comparisons

• 21,454,428,109,824 seconds is equal to 682,184 years, 23 weeks, 3 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,454,428,109,824 would take you about one million, seven hundred five thousand, four hundred sixty-one 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 21454428109824 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21454428109824

• 21454428109824 backwards is 42890182445412
• 21454428109824 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21454428109824's digits is 54
• More coming soon!