21357686284480

Names of 21357686284480

• Cardinal: 21357686284480 can be written as Twenty-one trillion, three hundred fifty-seven billion, six hundred eighty-six million, two hundred eighty-four thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.135768628448 × 10¹³

Factors of 21357686284480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 25762

Divisors of 21357686284480

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 31 32 35 40 52 56 62 64 65 70 71 80 91 104 112 124 130 140 142 155 160 169 182 208 217 224 248 260 280 284 310 320 338 355 364 403 416 434 448 455 496 497 520 560 568 620 676 710 728 806 832 845 868 910 923 992 994 1040 1085 1120 1136 1183 1240 1352 1420 1456 1612 1690 1736 1820 1846 1984 1988 2015 2080 2170 2201 2240 2272 2366 2480 2485 2704 2821 2840 2912 3224 3380 3472 3640 3692 3976 4030 4160 4340 4402 4544 4615 4732 4960 4970 5239 5408 5642 5680 5824 5915 6448 6461 6760 6944 7280 7384 7952 8060 8680 8804 9230 9464 9920 9940 10478 10816 11005 11284 11360 11830 11999 12896 12922 13520 13888 14105 14560 14768 15407 15904 16120 17360 17608 18460 18928 19880 20956 22010 22568 22720 23660 23998 25633 25792 25844 26195 27040 28210 28613 29120 29536 30814 31808 32240 32305 34720 35216 36673 36920 37856 39760 41912 44020 45136 47320 47996 51266 51688 52390 54080 56420 57226 59072 59995 61628 64480 64610 69440 70432 73346 73840 75712 77035 79520 83824 83993 88040 90272 94640 95992 102532 103376 104780 112840 114452 119990 123256 128165 128960 129220 140864 143065 146692 147680 154070 159040 167648 167986 176080 179431 180544 183365 189280 191984 200291 205064 206752 209560 225680 228904 239980 246512 256330 258440 286130 293384 295360 308140 333229 335296 335972 352160 358862 366730 371969 378560 383968 400582 410128 413504 419120 419965 451360 457808 479960 493024 512660 516880 572260 586768 616280 666458 671944 704320 717724 733460 743938 767936 794623 801164 820256 838240 839930 897155 902720 915616 959920 986048 1001455 1025320 1033760 1144520 1173536 1232560 1332916 1343888 1435448 1466920 1487876 1589246 1602328 1640512 1666145 1676480 1679860 1794310 1819943 1831232 1859845 1919840 2002910 2050640 2067520 2289040 2332603 2347072 2465120 2603783 2665832 2687776 2870896 2933840 2975752 3178492 3204656 3332290 3359720 3588620 3639886 3719690 3839680 3973115 4005820 4101280 4331977 4578080 4665206 4930240 5207566 5331664 5375552 5562361 5741792 5867680 5951504 6356984 6409312 6664580 6719440 7177240 7279772 7439380 7946230 8011640 8202560 8663954 9099715 9156160 9330412 10330099 10415132 10663328 11124722 11483584 11663015 11735360 11903008 12713968 12739601 12818624 13018915 13329160 13438880 14354480 14559544 14878760 15892460 16023280 17327908 18199430 18660824 20660198 20830264 21326656 21659885 22249444 23326030 23659259 23806016 25427936 25479202 26037830 26658320 26877760 27811805 28708960 29119088 29757520 30323839 31784920 32046560 34655816 36398860 37321648 41320396 41660528 43319770 44498888 46652060 47318518 50855872 50958404 51650495 52075660 53316640 55623610 56418233 57417920 58238176 59515040 60647678 63569840 63698005 64093120 69311632 72310693 72797720 74643296 82640792 83321056 86639540 88997776 93304120 94637036 101916808 103300990 104151320 106633280 111247220 112836466 116476352 118296295 119030080 121295356 127139680 127396010 134291287 138623264 144621386 145595440 149286592 151619195 165281584 165614813 166642112 173279080 177995552 186608240 189274072 203833616 206601980 208302640 222494440 225672932 236592590 242590712 254279360 254792020 268582574 277246528 282091165 289242772 291190880 303238390 307570367 330563168 331229626 346558160 355991104 361553465 373216480 378548144 394927631 407667232 413203960 416605280 444988880 451345864 473185180 485181424 509584040 537165148 564182330 578485544 582381760 606476780 615140734 661126336 662459252 671456435 693116320 723106930 733437029 746432960 757096288 789855262 815334464 826407920 828074065 833210560 889977760 902691728 940039009 946370360 970362848 1019168080 1074330296 1128364660 1156971088 1212953560 1230281468 1324918504 1342912870 1386232640 1446213860 1466874058 1514192576 1537851835 1579710524 1652815840 1656148130 1779955520 1805383456 1880078018 1892740720 1940725696 1974638155 2038336160 2148660592 2152992569 2256729320 2313942176 2425907120 2460562936 2649837008 2685825740 2892427720 2933748116 3075703670 3159421048 3305631680 3312296260 3610766912 3667185145 3760156036 3785481440 3949276310 4076672320 4297321184 4305985138 4513458640 4627884352 4700195045 4851814240 4921125872 5134059203 5299674016 5371651480 5784855440 5867496232 6151407340 6318842096 6624592520 7334370290 7520312072 7570962880 7898552620 8594642368 8611970276 9026917280 9400390090 9534681377 9703628480 9842251744 10268118406 10599348032 10743302960 10764962845 11569710880 11734992464 12302814680 12637684192 13249185040 14668740580 15040624144 15797105240 17223940552 18053834560 18800780180 19069362754 19684503488 20536236812 21486605920 21529925690 23139421760 23469984928 24605629360 25275368384 25670296015 26498370080 29337481160 30081248288 31594210480 34447881104 37601560360 38138725508 41072473624 42973211840 43059851380 46939969856 47673406885 49211258720 51340592030 52996740160 58674962320 60162496576 63188420960 66742769639 68895762208 75203120720 76277451016 82144947248 86119702760 95346813770 98422517440 102681184060 117349924640 126376841920 133485539278 137791524416 150406241440 152554902032 164289894496 172239405520 190693627540 205362368120 234699849280 266971078556 300812482880 305109804064 328579788992 333713848195 344478811040 381387255080 410724736240 533942157112 610219608128 667427696390 688957622080 762774510160 821449472480 1067884314224 1334855392780 1525549020320 1642898944960 2135768628448 2669710785560 3051098040640 4271537256896 5339421571120 10678843142240 21357686284480
• Sum of all divisors σ(n): 65886267138048
• Sum of proper divisors (its aliquot sum) s(n): 44528580853568
• 21357686284480 is an abundant number, because the sum of its proper divisors (44528580853568) is greater than itself. Its abundance is 23170894569088

Bases of 21357686284480

• Binary: 100110110110010111001010011011110000011000000₂
• Hexadecimal: 0x136CB94DE0C0
• Base-36: 7KJL2Z35S

Squares and roots of 21357686284480

• 21357686284480 squared (21357686284480²) is 456150763426265107488870400
• 21357686284480 cubed (21357686284480³) is 9742324903684223498007440276328251392000
• The square root of 21357686284480 is 4621437.6858808775
• The cube root of 21357686284480 is 27745.0003316315

Scales and comparisons

• 21,357,686,284,480 seconds is equal to 679,108 years, 18 weeks, 5 days, 2 hours, 34 minutes, 40 seconds.
• To count from 1 to 21,357,686,284,480 would take you about one million, six hundred ninety-seven thousand, seven hundred seventy 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 21357686284480 cubic inches would be around 2312.1 feet tall.

Recreational maths with 21357686284480

• 21357686284480 backwards is 08448268675312
• 21357686284480 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21357686284480's digits is 64
• More coming soon!