21745687341420

Names of 21745687341420

• Cardinal: 21745687341420 can be written as Twenty-one trillion, seven hundred forty-five billion, six hundred eighty-seven million, three hundred forty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.174568734142 × 10¹³

Factors of 21745687341420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3501

Divisors of 21745687341420

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 81 84 90 98 105 108 126 135 140 147 162 180 189 196 210 245 252 270 293 294 315 324 378 405 420 441 490 540 567 586 588 630 735 756 810 879 882 945 980 1134 1172 1260 1323 1465 1470 1620 1758 1764 1890 2051 2205 2268 2637 2646 2835 2930 2940 3191 3516 3780 3969 4102 4395 4410 5274 5292 5670 5860 6153 6382 6615 7911 7938 8204 8790 8820 9573 10255 10548 11340 12306 12764 13185 13230 14357 15822 15876 15955 17580 18459 19146 19845 20510 22337 23733 24612 26370 26460 28714 28719 30765 31644 31910 36918 38292 39555 39690 41020 43071 44674 47466 47865 52740 55377 57428 57438 61530 63820 67011 71785 73836 79110 79380 85849 86142 86157 89348 92295 94932 95730 110754 111685 114876 118665 123060 129213 134022 143570 143595 156359 158220 166131 171698 172284 172314 184590 191460 201033 215355 221508 223370 237330 257547 258426 258471 268044 276885 287140 287190 312718 332262 335055 343396 344628 369180 387639 402066 429245 430710 430785 446740 469077 474660 515094 516852 516942 553770 574380 600943 603099 625436 646065 664524 670110 772641 775278 781795 804132 830655 858490 861420 861570 934963 938154 1005165 1030188 1033884 1107540 1162917 1201886 1206198 1287735 1292130 1292355 1340220 1407231 1545282 1550556 1563590 1661310 1716980 1723140 1802829 1809297 1869926 1876308 1938195 2010330 2317923 2325834 2345385 2403772 2412396 2575470 2584260 2584710 2804889 2814462 3004715 3015495 3090564 3127180 3322620 3605658 3618594 3739852 3863205 3876390 4020660 4206601 4221693 4635846 4651668 4674815 4690770 5150940 5169420 5408487 5609778 5628924 5814585 6009430 6030990 6544741 6953769 7036155 7211316 7237188 7726410 7752780 8413202 8414667 8443386 9014145 9046485 9271692 9349630 9381540 10816974 11219556 11589615 11629170 12018860 12061980 12619803 12665079 13089482 13907538 14024445 14072310 15452820 16225461 16826404 16829334 16886772 18028290 18092970 18699260 19634223 21033005 21108465 21633948 23179230 23258340 25239606 25244001 25330158 26178964 27042435 27815076 28048890 28144620 32450922 32723705 33658668 34768845 36056580 36185940 37859409 39268446 42066010 42073335 42216930 45813187 46358460 48676383 50479212 50488002 50660316 54084870 56097780 58902669 63099015 63325395 64901844 65447410 69537690 75718818 75732003 78536892 81127305 84132020 84146670 84433860 91626374 97352766 98171115 100976004 108169740 113578227 117805338 126198030 126220005 126650790 130894820 137439561 139075380 151437636 151464006 162254610 168293340 176708007 183252748 189297045 194705532 196342230 227156454 229065935 235610676 243381915 252396060 252440010 253301580 273944159 274879122 294513345 302928012 324509220 340734681 353416014 378594090 378660015 392684460 412318683 454312908 458131870 486763830 504880020 530124021 547888318 549758244 567891135 589026690 681469362 687197805 706832028 757188180 757320030 821832477 824637366 883540035 916263740 973527660 1060248042 1095776636 1135782270 1178053380 1236956049 1362938724 1369720795 1374395610 1514640060 1643664954 1649274732 1703673405 1767080070 1917609113 2061593415 2120496084 2271564540 2465497431 2473912098 2650620105 2739441590 2748791220 3287329908 3407346810 3534160140 3710868147 3835218226 4109162385 4123186830 4930994862 4947824196 5301240210 5478883180 5752827339 6184780245 6814693620 7396492293 7421736294 7670436452 8218324770 8246373660 9588045565 9861989724 10602480420 11505654678 12327487155 12369560490 13423263791 14792984586 14843472588 16436649540 17258482017 18554340735 19176091130 22189476879 23011309356 24654974310 24739120980 26846527582 28764136695 29585969172 34516964034 36982461465 37108681470 38352182260 40269791373 44378953758 49309948620 51775446051 53693055164 57528273390 67116318955 69033928068 73964922930 74217362940 80539582746 86292410085 88757907516 103550892102 110947384395 115056546780 120809374119 134232637910 147929845860 155326338153 161079165492 172584820170 201348956865 207101784204 221894768790 241618748238 258877230255 268465275820 310652676306 345169640340 362428122357 402697913730 443789537580 483237496476 517754460510 604046870595 621305352612 724856244714 776631690765 805395827460 1035508921020 1087284367071 1208093741190 1449712489428 1553263381530 1812140611785 2174568734142 2416187482380 3106526763060 3624281223570 4349137468284 5436421835355 7248562447140 10872843670710 21745687341420
• Sum of all divisors σ(n): 79651212523344
• Sum of proper divisors (its aliquot sum) s(n): 57905525181924
• 21745687341420 is an abundant number, because the sum of its proper divisors (57905525181924) is greater than itself. Its abundance is 36159837840504

Bases of 21745687341420

• Binary: 100111100011100001111111110000010100101101100₂
• Hexadecimal: 0x13C70FF8296C
• Base-36: 7PHTWSAR0

Squares and roots of 21745687341420

• 21745687341420 squared (21745687341420²) is 472874917950794027647616400
• 21745687341420 cubed (21745687341420³) is 10282990117357602813454509449915991288000
• The square root of 21745687341420 is 4663227.1380901015
• The cube root of 21745687341420 is 27912.0057875501

Scales and comparisons

• 21,745,687,341,420 seconds is equal to 691,445 years, 30 weeks, 6 days, 1 hour, 57 minutes.
• To count from 1 to 21,745,687,341,420 would take you about one million, seven hundred twenty-eight thousand, six hundred thirteen 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 21745687341420 cubic inches would be around 2326 feet tall.

Recreational maths with 21745687341420

• 21745687341420 backwards is 02414378654712
• 21745687341420 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21745687341420's digits is 54
• More coming soon!