21228743720730

Names of 21228743720730

• Cardinal: 21228743720730 can be written as Twenty-one trillion, two hundred twenty-eight billion, seven hundred forty-three million, seven hundred twenty thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 2.122874372073 × 10¹³

Factors of 21228743720730

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 308

Divisors of 21228743720730

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 30 35 37 39 42 49 65 70 74 78 91 98 105 111 130 147 169 182 185 195 210 222 241 245 259 273 294 338 343 370 390 455 481 482 490 507 518 546 555 637 686 723 735 777 845 910 962 1014 1029 1110 1183 1205 1274 1295 1365 1369 1443 1446 1470 1554 1687 1690 1715 1813 1911 2058 2366 2405 2410 2535 2590 2730 2738 2886 3133 3185 3367 3374 3430 3549 3615 3626 3822 3885 4107 4459 4810 5061 5070 5145 5439 5915 6253 6266 6370 6734 6845 7098 7215 7230 7770 8214 8281 8435 8917 8918 9065 9399 9555 9583 10101 10122 10290 10878 11809 11830 12506 12691 13377 13690 14430 15665 16562 16835 16870 17745 17797 17834 18130 18759 18798 19110 19166 20202 20535 21931 22295 23569 23618 24843 25305 25382 26751 26754 27195 28749 31265 31330 33670 35427 35490 35594 37518 38073 40729 41070 41405 43771 43862 44585 44590 46995 47138 47915 49686 50505 50610 50653 53391 53502 54390 57498 57967 59045 62419 62530 63455 65793 66885 67081 70707 70854 76146 81458 82663 82810 87542 88985 89170 93795 93990 95830 101010 101306 106782 109655 115921 115934 117845 118090 122187 124215 124579 124838 126910 131313 131586 133755 133770 134162 141414 143745 151959 153517 164983 165326 173901 177135 177970 187257 187590 190365 201243 203645 218855 219310 231361 231842 235690 244374 247989 248430 249158 253265 262626 266955 267510 285103 287490 289835 303918 306397 307034 312095 328965 329929 329966 335405 347763 347802 353535 354270 354571 373737 374514 380730 402486 407290 413315 436933 437710 460551 462722 469567 494949 495978 506530 533910 570206 579605 579670 610935 612794 622895 624190 656565 657930 658489 659858 670810 694083 695526 707070 709142 747474 759795 767585 811447 824915 826630 855309 869505 872053 873866 919191 921102 936285 939134 989787 989898 1006215 1063713 1074619 1156805 1159210 1221870 1239945 1245790 1310799 1313130 1316978 1388166 1408701 1425515 1506973 1519590 1531985 1535170 1619527 1622894 1649645 1649830 1710618 1738815 1739010 1744106 1772855 1838382 1868685 1872570 1975467 1979574 1995721 2012430 2127426 2144779 2149238 2184665 2302755 2309503 2313610 2347835 2434341 2474745 2479890 2481997 2616159 2621598 2817402 2851030 3013946 3058531 3063970 3223857 3239054 3292445 3299290 3470415 3477630 3545710 3737370 3950934 3991442 4057235 4276545 4289077 4289558 4360265 4369330 4520919 4595955 4605510 4609423 4619006 4695670 4858581 4868682 4948935 4949490 4963994 5232318 5318565 5373095 5680129 5987163 6104371 6117062 6434337 6447714 6553995 6584890 6928509 6940830 7043505 7445991 7534865 8097635 8114470 8553090 8560357 8578154 8720530 9041838 9175593 9191910 9218846 9717162 9877335 9897870 9978605 10548811 10637130 10723895 10746190 11336689 11360258 11547515 11974326 12171705 12207373 12208742 12409985 12867231 12868674 13080795 13107990 13828269 13857018 13970047 14087010 14891982 15069730 15292655 16119285 16166521 16195270 17040387 17120714 17373979 18313113 18351186 19754670 19957210 21097622 21445385 21447790 22604595 22673378 23047115 23095030 24292905 24343410 24414746 24819970 25681071 25734462 26161590 27656538 27940094 28400645 29935815 30023539 30521855 30585310 31646433 32171685 32238570 32265961 32333042 34010067 34080774 34642545 34747958 36622119 36626226 37229955 39760903 41910141 42801785 42890770 45209190 45877965 46094230 48499563 48585810 51362142 52121937 52744055 55758001 56683445 56801290 59871630 59922499 60047078 61036865 61043710 63292866 64336155 64343370 64531922 68020134 69141345 69285090 69850235 73244238 73841677 74459910 79356823 79521806 80832605 83820282 85201935 85451611 85603570 86869895 90070617 91565565 91755930 96797883 96999126 104243874 105488110 111516002 113165647 113366890 119282709 119844998 122073730 128405355 128672310 138282690 139700470 147683354 150117695 158232165 158695849 158713646 161329805 161665210 167274003 170050335 170403870 170903222 173739790 179767497 180141234 183110595 183131130 193595766 198804515 209550705 210164773 221525031 225861727 226331294 238070469 238565418 242497815 256354833 256810710 260609685 278790005 299612495 300235390 316464330 317391698 322659610 334548006 339496941 340100670 359534994 366221190 369208385 390306007 396784115 397609030 419101410 419457493 420329546 427258055 443050062 450353085 451723454 476087547 476140938 483989415 484995630 512709666 516891739 521219370 557580010 565828235 596413545 598161277 599224990 630494319 677585181 678993882 738416770 780612014 793479245 793568230 836370015 838914986 854516110 898837485 900706170 952175094 967978830 1033783478 1050823865 1107625155 1110870943 1129308635 1131656470 1170918021 1190352345 1192827090 1196322554 1258372479 1260988638 1281774165 1355170362 1471153411 1550675217 1586958490 1672740030 1697484705 1794483831 1797674970 1951530035 2063046037 2097287465 2101647730 2215250310 2221741886 2258617270 2341836042 2380437735 2380704690 2516744958 2563548330 2584458695 2732142049 2936202451 2942306822 2990806385 3101350434 3152471595 3332612829 3387925905 3394969410 3588967662 3903060070 4126092074 4187128939 4194574930 4413460233 4760875470 5168917390 5464284098 5554354715 5854590105 5872404902 5981612770 6189138111 6291862395 6304943190 6665225658 6775851810 7355767055 7753376085 7776096601 8196426147 8374257878 8808607353 8826920466 8972419155 10315230185 11108709430 11709180210 12378276222 12561386817 12583724790 13660710245 14441322259 14681012255 14711534110 15506752170 15552193202 16392852294 16663064145 17617214706 17944838310 19124994343 20630460370 20935644695 22067301165 23328289803 25122773634 27321420490 28882644518 29362024510 30945690555 33326128290 38249988686 38880483005 40982130735 41871289390 43323966777 44043036765 44134602330 46656579606 54432676207 57374983029 61891381110 62806934085 72206611295 77760966010 81964261470 86647933554 88086073530 95624971715 101089255813 108865352414 114749966058 116641449015 125613868170 144413222590 163298028621 191249943430 202178511626 216619833885 233282898030 272163381035 286874915145 303267767439 326596057242 433239667770 505446279065 544326762070 573749830290 606535534878 707624790691 816490143105 1010892558130 1415249581382 1516338837195 1632980286210 2122874372073 3032677674390 3538123953455 4245748744146 7076247906910 10614371860365 21228743720730
• Sum of all divisors σ(n): 66399239808000
• Sum of proper divisors (its aliquot sum) s(n): 45170496087270
• 21228743720730 is an abundant number, because the sum of its proper divisors (45170496087270) is greater than itself. Its abundance is 23941752366540

Bases of 21228743720730

• Binary: 100110100111010110011101110100111111100011010₂
• Hexadecimal: 0x134EB3BA7F1A
• Base-36: 7IWCLWG7U

Squares and roots of 21228743720730

• 21228743720730 squared (21228743720730²) is 450659559960433404231732900
• 21228743720730 cubed (21228743720730³) is 9566936303696995557333737610681553017000
• The square root of 21228743720730 is 4607466.0845989957
• The cube root of 21228743720730 is 27689.0527106555

Scales and comparisons

• 21,228,743,720,730 seconds is equal to 675,008 years, 20 weeks, 7 hours, 45 minutes, 30 seconds.
• To count from 1 to 21,228,743,720,730 would take you about one million, six hundred eighty-seven thousand, five hundred twenty 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 21228743720730 cubic inches would be around 2307.4 feet tall.

Recreational maths with 21228743720730

• 21228743720730 backwards is 03702734782212
• The number of decimal digits it has is: 14
• The sum of 21228743720730's digits is 48
• More coming soon!