21420527293440

Names of 21420527293440

• Cardinal: 21420527293440 can be written as Twenty-one trillion, four hundred twenty billion, five hundred twenty-seven million, two hundred ninety-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.142052729344 × 10¹³

Factors of 21420527293440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 521744

Divisors of 21420527293440

• Number of divisors d(n): 616
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 81 88 90 96 99 108 110 120 128 132 135 144 160 162 165 176 180 192 198 216 220 240 243 256 264 270 288 297 320 324 330 352 360 384 396 405 432 440 480 486 495 512 528 540 576 594 640 648 660 704 720 729 768 792 810 864 880 891 960 972 990 1024 1056 1080 1152 1188 1215 1280 1296 1320 1408 1440 1458 1485 1536 1584 1620 1728 1760 1782 1920 1944 1980 2112 2160 2304 2376 2430 2560 2592 2640 2673 2816 2880 2916 2970 3072 3168 3240 3456 3520 3564 3645 3840 3888 3960 4224 4320 4455 4608 4752 4860 5120 5184 5280 5346 5632 5760 5832 5940 6336 6480 6912 7040 7128 7290 7680 7776 7920 8019 8448 8640 8910 9216 9504 9720 10368 10560 10692 11264 11520 11664 11880 12672 12960 13365 13824 14080 14256 14580 15360 15552 15840 16038 16896 17280 17820 19008 19440 20736 21120 21384 23040 23328 23760 25344 25920 26730 27648 28160 28512 29160 31104 31680 32076 33792 34560 35640 38016 38880 40095 41472 42240 42768 46080 46656 47520 50688 51840 53460 56320 57024 58320 62208 63360 64152 69120 71280 76032 77760 80190 82944 84480 85536 93312 95040 101376 103680 106920 114048 116640 124416 126720 128304 138240 142560 152064 155520 160380 168960 171072 186624 190080 207360 213840 228096 233280 248832 253440 256608 285120 304128 311040 320760 342144 373248 380160 414720 427680 456192 466560 506880 513216 521723 570240 622080 641520 684288 746496 760320 855360 912384 933120 1026432 1043446 1140480 1244160 1283040 1368576 1520640 1565169 1710720 1866240 2052864 2086892 2280960 2566080 2608615 2737152 3130338 3421440 3732480 4105728 4173784 4561920 4695507 5132160 5217230 5738953 6260676 6842880 7825845 8211456 8347568 9391014 10264320 10434460 11477906 12521352 13685760 14086521 15651690 16695136 17216859 18782028 20528640 20868920 22955812 23477535 25042704 28173042 28694765 31303380 33390272 34433718 37564056 41057280 41737840 42259563 45911624 46955070 50085408 51650577 56346084 57389530 62606760 66780544 68867436 70432605 75128112 83475680 84519126 86084295 91823248 93910140 100170816 103301154 112692168 114779060 125213520 126778689 133561088 137734872 140865210 150256224 154951731 166951360 169038252 172168590 183646496 187820280 200341632 206602308 211297815 225384336 229558120 250427040 253557378 258252885 267122176 275469744 281730420 300512448 309903462 333902720 338076504 344337180 367292992 375640560 380336067 400683264 413204616 422595630 450768672 459116240 464855193 500854080 507114756 516505770 534244352 550939488 563460840 601024896 619806924 633893445 667805440 676153008 688674360 734585984 751281120 760672134 774758655 801366528 826409232 845191260 901537344 918232480 929710386 1001708160 1014229512 1033011540 1101878976 1126921680 1202049792 1239613848 1267786890 1335610880 1352306016 1377348720 1394565579 1469171968 1502562240 1521344268 1549517310 1602733056 1652818464 1690382520 1803074688 1836464960 1859420772 1901680335 2003416320 2028459024 2066023080 2203757952 2253843360 2324275965 2404099584 2479227696 2535573780 2671221760 2704612032 2754697440 2789131158 2938343936 3005124480 3042688536 3099034620 3305636928 3380765040 3606149376 3672929920 3718841544 3803360670 4006832640 4056918048 4132046160 4183696737 4407515904 4507686720 4648551930 4808199168 4958455392 5071147560 5409224064 5509394880 5578262316 5876687872 6010248960 6085377072 6198069240 6611273856 6761530080 6972827895 7212298752 7345859840 7437683088 7606721340 8013665280 8113836096 8264092320 8367393474 8815031808 9015373440 9297103860 9916910784 10142295120 10818448128 11018789760 11156524632 12020497920 12170754144 12396138480 13222547712 13523060160 13945655790 14424597504 14691719680 14875366176 15213442680 16227672192 16528184640 16734786948 17630063616 18030746880 18594207720 19833821568 20284590240 20918483685 21636896256 22037579520 22313049264 24040995840 24341508288 24792276960 26445095424 27046120320 27891311580 29383439360 29750732352 30426885360 32455344384 33056369280 33469573896 36061493760 37188415440 39667643136 40569180480 41836967370 43273792512 44075159040 44626098528 48683016576 49584553920 52890190848 54092240640 55782623160 59501464704 60853770720 64910688768 66112738560 66939147792 72122987520 74376830880 79335286272 81138360960 83673934740 88150318080 89252197056 97366033152 99169107840 108184481280 111565246320 119002929408 121707541440 129821377536 132225477120 133878295584 148753661760 158670572544 162276721920 167347869480 178504394112 194732066304 198338215680 216368962560 223130492640 238005858816 243415082880 264450954240 267756591168 297507323520 324553443840 334695738960 357008788224 389464132608 396676431360 446260985280 476011717632 486830165760 535513182336 595014647040 649106887680 669391477920 714017576448 793352862720 892521970560 973660331520 1071026364672 1190029294080 1338782955840 1428035152896 1785043941120 1947320663040 2142052729344 2380058588160 2677565911680 3570087882240 4284105458688 5355131823360 7140175764480 10710263646720 21420527293440
• Sum of all divisors σ(n): 84044890627488
• Sum of proper divisors (its aliquot sum) s(n): 62624363334048
• 21420527293440 is an abundant number, because the sum of its proper divisors (62624363334048) is greater than itself. Its abundance is 41203836040608

Bases of 21420527293440

• Binary: 100110111101101011010111010111001010000000000₂
• Hexadecimal: 0x137B5AEB9400
• Base-36: 7LCGCW000

Squares and roots of 21420527293440

• 21420527293440 squared (21420527293440²) is 458838989529007971867033600
• 21420527293440 cubed (21420527293440³) is 9828573098500545631985132903369539584000
• The square root of 21420527293440 is 4628231.5514070815
• The cube root of 21420527293440 is 27772.1851833841

Scales and comparisons

• 21,420,527,293,440 seconds is equal to 681,106 years, 26 weeks, 3 days, 14 hours, 24 minutes.
• To count from 1 to 21,420,527,293,440 would take you about one million, seven hundred two thousand, seven hundred sixty-six 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 21420527293440 cubic inches would be around 2314.3 feet tall.

Recreational maths with 21420527293440

• 21420527293440 backwards is 04439272502412
• 21420527293440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21420527293440's digits is 45
• More coming soon!