21284103715740

Names of 21284103715740

• Cardinal: 21284103715740 can be written as Twenty-one trillion, two hundred eighty-four billion, one hundred three million, seven hundred fifteen thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.128410371574 × 10¹³

Factors of 21284103715740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 520

Divisors of 21284103715740

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 43 45 54 60 81 86 90 108 129 135 162 172 180 215 243 258 270 324 387 405 430 467 486 516 540 645 774 810 860 934 972 1161 1215 1290 1401 1548 1620 1868 1935 2322 2335 2430 2580 2802 3483 3870 4203 4644 4670 4860 5604 5805 6966 7005 7740 8406 9340 10449 11610 12609 13932 14010 16812 17415 20081 20898 21015 23220 25218 28020 34830 37827 40162 41796 42030 50436 52245 60243 63045 69660 75654 80324 84060 100405 104490 113481 120486 126090 151308 180729 189135 200810 208980 218089 226962 240972 252180 301215 361458 378270 401620 436178 453924 542187 567405 602430 654267 722916 756540 872356 903645 1084374 1090445 1134810 1204860 1308534 1626561 1807290 1962801 2168748 2180890 2269620 2617068 2710935 3253122 3271335 3614580 3925602 4361780 4879683 5421870 5888403 6506244 6542670 7851204 8132805 9377827 9759366 9814005 10843740 11776806 13085340 16265610 17665209 18755654 19518732 19628010 23553612 24398415 28133481 29442015 32531220 35330418 37511308 39256020 46889135 48796830 52995627 56266962 58884030 70660836 84400443 88326045 93778270 97593660 101847563 105991254 112533924 117768060 140667405 168800886 176652090 187556540 203695126 211982508 253201329 264978135 281334810 305542689 337601772 353304180 407390252 422002215 506402658 509237815 529956270 562669620 611085378 759603987 844004430 916628067 1012805316 1018475630 1059912540 1222170756 1266006645 1519207974 1527713445 1688008860 1833256134 2036951260 2278811961 2532013290 2749884201 3038415948 3055426890 3666512268 3798019935 4379445209 4557623922 4583140335 5064026580 5499768402 6110853780 7596039870 8249652603 8758890418 9115247844 9166280670 10999536804 11394059805 13138335627 13749421005 15192079740 16499305206 17517780836 18332561340 21897226045 22788119610 24748957809 26276671254 27498842010 32998610412 39415006881 41248263015 43794452090 45576239220 49497915618 52553342508 54997684020 65691678135 78830013762 82496526030 87588904180 98995831236 118245020643 123744789045 131383356270 157660027524 164993052060 197075034405 236490041286 247489578090 262766712540 354735061929 394150068810 472980082572 494979156180 591225103215 709470123858 788300137620 1064205185787 1182450206430 1418940247716 1773675309645 2128410371574 2364900412860 3547350619290 4256820743148 5321025928935 7094701238580 10642051857870 21284103715740
• Sum of all divisors σ(n): 68657021072640
• Sum of proper divisors (its aliquot sum) s(n): 47372917356900
• 21284103715740 is an abundant number, because the sum of its proper divisors (47372917356900) is greater than itself. Its abundance is 26088813641160

Bases of 21284103715740

• Binary: 100110101101110010111011100001111101110011100₂
• Hexadecimal: 0x135B9770FB9C
• Base-36: 7JLS5T9R0

Squares and roots of 21284103715740

• 21284103715740 squared (21284103715740²) is 453013070982377274723747600
• 21284103715740 cubed (21284103715740³) is 9641977187374804525006251075177907224000
• The square root of 21284103715740 is 4613469.8130301017
• The cube root of 21284103715740 is 27713.1008488111

Scales and comparisons

• 21,284,103,715,740 seconds is equal to 676,768 years, 34 weeks, 3 days, 9 minutes.
• To count from 1 to 21,284,103,715,740 would take you about one million, six hundred ninety-one thousand, nine hundred twenty-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 21284103715740 cubic inches would be around 2309.4 feet tall.

Recreational maths with 21284103715740

• 21284103715740 backwards is 04751730148212
• 21284103715740 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21284103715740's digits is 45
• More coming soon!