21219710370840

Names of 21219710370840

• Cardinal: 21219710370840 can be written as Twenty-one trillion, two hundred nineteen billion, seven hundred ten million, three hundred seventy thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.121971037084 × 10¹³

Factors of 21219710370840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 14004285

Divisors of 21219710370840

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 27 30 36 40 45 46 54 60 61 69 72 90 92 108 115 120 122 135 138 180 183 184 207 216 230 244 270 276 305 345 360 366 414 460 488 540 549 552 610 621 690 732 828 915 920 1035 1080 1098 1220 1242 1380 1403 1464 1647 1656 1830 2070 2196 2440 2484 2745 2760 2806 3105 3294 3660 4140 4209 4392 4968 5490 5612 6210 6588 7015 7320 8235 8280 8418 10980 11224 12420 12627 13176 14030 16470 16836 21045 21960 24840 25254 28060 32940 33672 37881 42090 50508 56120 63135 65880 75762 84180 101016 126270 151524 168360 189405 252540 303048 378810 505080 757620 1515240 14004191 28008382 42012573 56016764 70020955 84025146 112033528 126037719 140041910 168050292 210062865 252075438 280083820 322096393 336100584 378113157 420125730 504150876 560167640 630188595 644192786 756226314 840251460 854255651 966289179 1008301752 1260377190 1288385572 1512452628 1610481965 1680502920 1708511302 1890565785 1932578358 2520754380 2562766953 2576771144 2898867537 3024905256 3220963930 3417022604 3781131570 3865156716 4271278255 4831445895 5041508760 5125533906 5797735074 6441927860 6834045208 7562263140 7688300859 7730313432 8542556510 8696602611 9662891790 10251067812 11595470148 12813834765 12883855720 14494337685 15124526280 15376601718 17085113020 17393205222 19325783580 19647879973 20502135624 23064902577 23190940296 25627669530 28988675370 30753203436 34170226040 34786410444 38441504295 38651567160 39295759946 43483013055 46129805154 51255339060 57977350740 58943639919 61506406872 69572820888 76883008590 78591519892 86966026110 92259610308 98239399865 102510678120 115324512885 115954701480 117887279838 153766017180 157183039784 173932052220 176830919757 184519220616 196478799730 230649025770 235774559676 294718199595 307532034360 347864104440 353661839514 392957599460 461298051540 471549119352 530492759271 589436399190 707323679028 785915198920 884154598785 922596103080 1060985518542 1178872798380 1414647358056 1768309197570 2121971037084 2357745596760 2652463796355 3536618395140 4243942074168 5304927592710 7073236790280 10609855185420 21219710370840
• Sum of all divisors σ(n): 75017655705600
• Sum of proper divisors (its aliquot sum) s(n): 53797945334760
• 21219710370840 is an abundant number, because the sum of its proper divisors (53797945334760) is greater than itself. Its abundance is 32578234963920

Bases of 21219710370840

• Binary: 100110100110010011001010011001000010000011000₂
• Hexadecimal: 0x134C994C8418
• Base-36: 7IS77OEU0

Squares and roots of 21219710370840

• 21219710370840 squared (21219710370840²) is 450276108222334650322305600
• 21219710370840 cubed (21219710370840³) is 9554728603386948775961313088899808704000
• The square root of 21219710370840 is 4606485.6855134153
• The cube root of 21219710370840 is 27685.1246969677

Scales and comparisons

• 21,219,710,370,840 seconds is equal to 674,721 years, 7 weeks, 6 days, 15 hours, 54 minutes.
• To count from 1 to 21,219,710,370,840 would take you about one million, six hundred eighty-six thousand, eight hundred two 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 21219710370840 cubic inches would be around 2307.1 feet tall.

Recreational maths with 21219710370840

• 21219710370840 backwards is 04807301791212
• 21219710370840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21219710370840's digits is 45
• More coming soon!