21445438987000
21,445,438,987,000 is an even composite number composed of seven prime numbers multiplied together.
21445438987000 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21445438987000:
23 × 53 × 7 × 17 × 79 × 137 × 16651
(2 × 2 × 2 × 5 × 5 × 5 × 7 × 17 × 79 × 137 × 16651)See below for interesting mathematical facts about the number 21445438987000 from the Numbermatics database.
Names of 21445438987000
- Cardinal: 21445438987000 can be written as Twenty-one trillion, four hundred forty-five billion, four hundred thirty-eight million, nine hundred eighty-seven thousand.
Scientific notation
- Scientific notation: 2.1445438987 × 1013
Factors of 21445438987000
Divisors of 21445438987000
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 4 5 7 8 10 14 17 20 25 28 34 35 40 50 56 68 70 79 85 100 119 125 136 137 140 158 170 175 200 238 250 274 280 316 340 350 395 425 476 500 548 553 595 632 680 685 700 790 850 875 952 959 1000 1096 1106 1190 1343 1370 1400 1580 1700 1750 1918 1975 2125 2212 2329 2380 2686 2740 2765 2975 3160 3400 3425 3500 3836 3950 4250 4424 4658 4760 4795 5372 5480 5530 5950 6715 6850 7000 7672 7900 8500 9316 9401 9590 9875 10744 10823 11060 11645 11900 13430 13700 13825 14875 15800 16303 16651 17000 17125 18632 18802 19180 19750 21646 22120 23290 23800 23975 26860 27400 27650 29750 32606 33302 33575 34250 37604 38360 39500 43292 46580 47005 47950 53720 54115 55300 58225 59500 65212 66604 67150 68500 69125 75208 75761 79000 81515 83255 86584 93160 94010 95900 108230 110600 116450 116557 119000 119875 130424 133208 134300 137000 138250 151522 163030 166510 167875 183991 188020 191800 216460 232900 233114 235025 239750 268600 270575 276500 283067 291125 303044 326060 333020 335750 367982 376040 378805 407575 416275 432920 465800 466228 470050 479500 541150 553000 566134 582250 582785 606088 652120 666040 671500 735964 757610 815150 832550 919955 932456 940100 959000 1082300 1132268 1164500 1165570 1175125 1287937 1315429 1343000 1352875 1415335 1471928 1515220 1630300 1665100 1839910 1880200 1894025 1981469 2037875 2081375 2164600 2264536 2281187 2329000 2331140 2350250 2575874 2630858 2705750 2830670 2913925 3030440 3260600 3330200 3679820 3788050 3962938 4075750 4162750 4562374 4599775 4662280 4700500 5151748 5261716 5411500 5661340 5827850 6439685 6577145 7076675 7359640 7576100 7925876 8151500 8325500 9124748 9199550 9208003 9401000 9470125 9907345 10303496 10523432 10823000 11322680 11405935 11655700 12879370 13154290 14153350 14569625 15152200 15851752 15968309 16303000 16651000 18249496 18399100 18416006 18940250 19814690 22362293 22811870 22998875 23311400 25758740 26308580 28306700 29139250 31936618 32198425 32885725 35383375 36798200 36832012 37880500 38780179 39629380 44724586 45623740 45997750 46040015 49536725 51517480 52617160 56613400 57029675 58278500 63873236 64396850 65771450 70766750 73664024 75761000 77560358 79258760 79841545 89449172 91247480 91995500 92080030 99073450 111811465 114059350 116557000 127746472 128793700 131542900 141533500 155120716 156536051 159683090 160992125 164428625 178898344 180213773 183991000 184160060 193900895 198146900 223622930 228118700 230200075 247683625 257587400 263085800 271461253 283067000 285148375 310241432 313072102 319366180 321984250 328857250 360427546 368320120 387801790 396293800 399207725 447245860 456237400 460400150 495367250 542922506 559057325 570296750 626144204 638732360 643968500 657714500 720855092 775603580 782680255 798415450 894491720 901068865 920800300 969504475 990734500 1085845012 1118114650 1140593500 1151000375 1252288408 1261496411 1287937000 1315429000 1357306265 1441710184 1551207160 1565360510 1596830900 1802137730 1841600600 1939008950 1981469000 1996038625 2171690024 2236229300 2281187000 2302000750 2522992822 2714612530 2795286625 3063634141 3130721020 3193661800 3604275460 3878017900 3913401275 3992077250 4472458600 4505344325 4604001500 4847522375 5045985644 5429225060 5590573250 6127268282 6261442040 6307482055 6786531325 7208550920 7756035800 7826802550 7984154500 9010688650 9208003000 9695044750 10091971288 10858450120 11181146500 12254536564 12614964110 13573062650 15318170705 15653605100 15968309000 18021377300 19390089500 19567006375 21445438987 22362293000 22526721625 24509073128 25229928220 27146125300 30636341410 31307210200 31537410275 33932656625 36042754600 38780179000 39134012750 42890877974 45053443250 50459856440 54292250600 61272682820 63074820550 67865313250 76590853525 78268025500 85781755948 90106886500 107227194935 122545365640 126149641100 135730626500 153181707050 156536051000 157687051375 171563511896 180213773000 214454389870 252299282200 271461253000 306363414100 315374102750 382954267625 428908779740 536135974675 612726828200 630748205500 765908535250 857817559480 1072271949350 1261496411000 1531817070500 2144543898700 2680679873375 3063634141000 4289087797400 5361359746750 10722719493500 21445438987000
- Sum of all divisors σ(n): 61946079436800
- Sum of proper divisors (its aliquot sum) s(n): 40500640449800
- 21445438987000 is an abundant number, because the sum of its proper divisors (40500640449800) is greater than itself. Its abundance is 19055201462800
Bases of 21445438987000
- Binary: 1001110000001001001111100010111011010111110002
- Hexadecimal: 0x138127C5DAF8
- Base-36: 7LNWCO1RS
Squares and roots of 21445438987000
- 21445438987000 squared (214454389870002) is 459906853345139586169000000
- 21445438987000 cubed (214454389870003) is 9862904363116347848185718570803000000000
-
The
square root of 21445438987000 is 4630922.0450143619 -
The
cube root of 21445438987000 is 27782.9471988179
Scales and comparisons
How big is 21445438987000?- 21,445,438,987,000 seconds is equal to 681,898 years, 32 weeks, 3 days, 9 hours, 16 minutes, 40 seconds.
-
To count from 1 to 21,445,438,987,000 would take you about one million, seven hundred four thousand, seven hundred forty-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 21445438987000 cubic inches would be around 2315.2 feet tall.
Recreational maths with 21445438987000
- 21445438987000 backwards is 00078983454412
- The number of decimal digits it has is: 14
- The sum of 21445438987000's digits is 55
- More coming soon!
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