21308148828720

Names of 21308148828720

• Cardinal: 21308148828720 can be written as Twenty-one trillion, three hundred eight billion, one hundred forty-eight million, eight hundred twenty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.130814882872 × 10¹³

Factors of 21308148828720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 186

Divisors of 21308148828720

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 90 104 108 117 120 130 135 144 156 163 169 180 195 208 216 234 240 260 270 312 326 338 351 360 390 432 468 489 507 520 540 585 624 652 676 702 720 780 815 845 936 978 1014 1040 1080 1170 1304 1352 1404 1467 1521 1560 1630 1690 1755 1872 1956 2028 2119 2160 2197 2340 2445 2535 2608 2704 2808 2934 3042 3120 3260 3380 3510 3912 4056 4238 4394 4401 4563 4680 4890 5070 5616 5868 6084 6357 6520 6591 6760 7020 7335 7605 7824 8112 8476 8788 8802 9126 9360 9780 10140 10595 10985 11736 12168 12714 13040 13182 13520 14040 14670 15210 16952 17576 17604 18252 19071 19560 19773 20280 21190 21970 22005 22815 23472 24336 25428 26364 26569 27547 28080 28561 29340 30420 31785 32955 33904 35152 35208 36504 38142 39120 39546 40560 42380 43940 44010 45630 50856 52728 53138 55094 57122 57213 58680 59319 60840 63570 65910 70416 73008 76284 79092 79707 82641 84760 85683 87880 88020 91260 95355 98865 101712 105456 106276 110188 114244 114426 117360 118638 121680 127140 131820 132845 137735 142805 152568 158184 159414 165282 169520 171366 175760 176040 182520 190710 197730 212552 220376 228488 228852 237276 239121 247923 254280 257049 263640 265690 275470 285610 286065 296595 305136 316368 318828 330564 342732 345397 352080 358111 365040 371293 381420 395460 398535 413205 425104 428415 440752 456976 457704 474552 478242 495846 508560 514098 527280 531380 550940 571220 572130 593190 637656 661128 685464 690794 716222 717363 742586 743769 762840 771147 790920 797070 826410 856830 915408 949104 956484 991692 1028196 1036191 1062760 1074333 1101880 1113879 1142440 1144260 1186380 1195605 1239615 1275312 1285245 1322256 1370928 1381588 1432444 1434726 1485172 1487538 1525680 1542294 1581840 1594140 1652820 1713660 1726985 1790555 1856465 1912968 1983384 2056392 2072382 2125520 2148666 2203760 2227758 2284880 2288520 2372760 2391210 2479230 2570490 2763176 2864888 2869452 2970344 2975076 3084588 3108573 3188280 3222999 3305640 3341637 3427320 3453970 3581110 3586815 3712930 3718845 3825936 3855735 3966768 4112784 4144764 4297332 4455516 4490161 4577040 4655443 4745520 4782420 4958460 5140980 5180955 5371665 5526352 5569395 5729776 5738904 5940688 5950152 6169176 6217146 6376560 6445998 6611280 6683274 6854640 6907940 7162220 7173630 7425860 7437690 7711470 8289528 8594664 8911032 8980322 9310886 9325719 9564840 9668997 9916920 10024911 10281960 10361910 10743330 11138790 11477808 11900304 12338352 12434292 12891996 13366548 13470483 13815880 13966329 14324440 14347260 14851720 14875380 15422940 15542865 16114995 16579056 16708185 17189328 17822064 17960644 18621772 18651438 19129680 19337994 19833840 20049822 20563920 20723820 21486660 22277580 22450805 23277215 24868584 25783992 26733096 26940966 27631760 27932658 28648880 28694520 29703440 29750760 30845880 31085730 32229990 33416370 35921288 37243544 37302876 38675988 40099644 40411449 41447640 41898987 42973320 44555160 44901610 46554430 46628595 48344985 49737168 50124555 51567984 53466192 53881932 55865316 57389040 58372093 59501520 60520759 61691760 62171460 64459980 66832740 67352415 69831645 71842576 74487088 74605752 77351976 80199288 80822898 82895280 83797974 85946640 89110320 89803220 93108860 93257190 96689970 100249110 107763864 111730632 116744186 121041518 121234347 124342920 125696961 128919960 133665480 134704830 139663290 149211504 154703952 160398576 161645796 167595948 175116279 179606440 181562277 186217720 186514380 193379940 200498220 202057245 209494935 215527728 223461264 233488372 242083036 242468694 248685840 251393922 257839920 267330960 269409660 279326580 291860465 302603795 323291592 335191896 350232558 359212880 363124554 372435440 373028760 386759880 400996440 404114490 418989870 466976744 484166072 484937388 502787844 525348837 538819320 544686831 558653160 583720930 605207590 606171735 628484805 646583184 670383792 700465116 726249108 746057520 758837209 773519760 801992880 808228980 837979740 875581395 907811385 933953488 968332144 969874776 1005575688 1050697674 1077638640 1089373662 1117306320 1167441860 1210415180 1212343470 1256969610 1400930232 1452498216 1517674418 1576046511 1616457960 1634060493 1675959480 1751162790 1815622770 1939749552 2011151376 2101395348 2178747324 2276511627 2334883720 2420830360 2424686940 2513939220 2626744185 2723434155 2801860464 2904996432 3035348836 3152093022 3232915920 3268120986 3351918960 3502325580 3631245540 3794186045 4202790696 4357494648 4553023254 4669767440 4841660720 4849373880 5027878440 5253488370 5446868310 6070697672 6304186044 6536241972 6829534881 7004651160 7262491080 7588372090 7880232555 8170302465 8405581392 8714989296 9106046508 9698747760 9864883717 10055756880 10506976740 10893736620 11382558135 12141395344 12608372088 13072483944 13659069762 14009302320 14524982160 15176744180 15760465110 16340604930 18212093016 19729767434 20488604643 21013953480 21787473240 22765116270 25216744176 26144967888 27318139524 29594651151 30353488360 31520930220 32681209860 34147674405 36424186032 39459534868 40977209286 42027906960 43574946480 45530232540 49324418585 54636279048 59189302302 60706976720 63041860440 65362419720 68295348810 78919069736 81954418572 88783953453 91060465080 98648837170 102443023215 109272558096 118378604604 126083720880 130724839440 136590697620 147973255755 157838139472 163908837144 177567906906 182120930160 197297674340 204886046430 236757209208 266351860359 273181395240 295946511510 327817674288 355135813812 394595348680 409772092860 443919767265 473514418416 532703720718 546362790480 591893023020 710271627624 789190697360 819544185720 887839534530 1065407441436 1183786046040 1331759301795 1420543255248 1639088371440 1775679069060 2130814882872 2367572092080 2663518603590 3551358138120 4261629765744 5327037207180 7102716276240 10654074414360 21308148828720
• Sum of all divisors σ(n): 80001736123680
• Sum of proper divisors (its aliquot sum) s(n): 58693587294960
• 21308148828720 is an abundant number, because the sum of its proper divisors (58693587294960) is greater than itself. Its abundance is 37385438466240

Bases of 21308148828720

• Binary: 100110110000100110000101001000100101000110000₂
• Hexadecimal: 0x136130A44A30
• Base-36: 7JWTTNHO0

Squares and roots of 21308148828720

• 21308148828720 squared (21308148828720²) is 454037206506881507896838400
• 21308148828720 cubed (21308148828720³) is 9674692370024907965111844583551118848000
• The square root of 21308148828720 is 4616075.0458284363
• The cube root of 21308148828720 is 27723.5329514369

Scales and comparisons

• 21,308,148,828,720 seconds is equal to 677,533 years, 11 weeks, 3 days, 22 hours, 12 minutes.
• To count from 1 to 21,308,148,828,720 would take you about one million, six hundred ninety-three thousand, eight hundred thirty-three 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 21308148828720 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21308148828720

• 21308148828720 backwards is 02782884180312
• 21308148828720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21308148828720's digits is 54
• More coming soon!