21449388908220
21,449,388,908,220 is an even composite number composed of seven prime numbers multiplied together.
21449388908220 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21449388908220:
22 × 3 × 5 × 73 × 13 × 1093 × 73351
(2 × 2 × 3 × 5 × 7 × 7 × 7 × 13 × 1093 × 73351)See below for interesting mathematical facts about the number 21449388908220 from the Numbermatics database.
Names of 21449388908220
- Cardinal: 21449388908220 can be written as Twenty-one trillion, four hundred forty-nine billion, three hundred eighty-eight million, nine hundred eight thousand, two hundred twenty.
Scientific notation
- Scientific notation: 2.144938890822 × 1013
Factors of 21449388908220
Divisors of 21449388908220
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 49 52 60 65 70 78 84 91 98 105 130 140 147 156 182 195 196 210 245 260 273 294 343 364 390 420 455 490 546 588 637 686 735 780 910 980 1029 1092 1093 1274 1365 1372 1470 1715 1820 1911 2058 2186 2548 2730 2940 3185 3279 3430 3822 4116 4372 4459 5145 5460 5465 6370 6558 6860 7644 7651 8918 9555 10290 10930 12740 13116 13377 14209 15302 16395 17836 19110 20580 21860 22295 22953 26754 28418 30604 32790 38220 38255 42627 44590 45906 53508 53557 56836 65580 66885 71045 73351 76510 85254 89180 91812 99463 107114 114765 133770 142090 146702 153020 160671 170508 198926 213135 214228 220053 229530 267540 267785 284180 293404 298389 321342 366755 374899 397852 426270 440106 459060 497315 513457 535570 596778 642684 696241 733510 749798 803355 852540 880212 953563 994630 1026914 1071140 1100265 1124697 1193556 1392482 1467020 1491945 1499596 1540371 1606710 1874495 1907126 1989260 2053828 2088723 2200530 2249394 2567285 2784964 2860689 2983890 3080742 3213420 3481205 3594199 3748990 3814252 4177446 4401060 4498788 4767815 4873687 5134570 5623485 5721378 5967780 6161484 6674941 6962410 7188398 7497980 7701855 8354892 9535630 9747374 10269140 10443615 10782597 11246970 11442756 13349882 13924820 14303445 14376796 14621061 15403710 17970995 19071260 19494748 20024823 20887230 21565194 22493940 24368435 25159393 26699764 28606890 29242122 30807420 33374705 35941990 40049646 41774460 43130388 46724587 48736870 50318786 53912985 57213780 58484244 66749410 71883980 73105305 75478179 80099292 80172643 93449174 97473740 100124115 100637572 107825970 125796965 133498820 140173761 146210610 150956358 160345286 186898348 200248230 215651940 233622935 240517929 251593930 280347522 292421220 301912716 320690572 327072109 377390895 400496460 400863215 467245870 481035858 503187860 560695044 561208501 654144218 700868805 754781790 801726430 934491740 962071716 981216327 1042244359 1122417002 1202589645 1308288436 1401737610 1509563580 1603452860 1635360545 1683625503 1962432654 2084488718 2244834004 2405179290 2803475220 2806042505 3126733077 3270721090 3367251006 3924865308 3928459507 4168977436 4810358580 4906081635 5211221795 5612085010 6253466154 6541442180 6734502012 7295710513 7856919014 8418127515 9812163270 10422443590 11224170020 11785378521 12506932308 14591421026 15633665385 15713838028 16836255030 19624326540 19642297535 20844887180 21887131539 23570757042 27499216549 29182842052 31267330770 33672510060 36478552565 39284595070 43774263078 47141514084 51069973591 54998433098 58926892605 62534661540 72957105130 78569190140 82497649647 87548526156 102139947182 109435657695 109996866196 117853785210 137496082745 145914210260 153209920773 164995299294 204279894364 218871315390 235707570420 255349867955 274992165490 306419841546 329990598588 357489815137 412488248235 437742630780 510699735910 549984330980 612839683092 714979630274 766049603865 824976496470 1021399471820 1072469445411 1429959260548 1532099207730 1649952992940 1787449075685 2144938890822 3064198415460 3574898151370 4289877781644 5362347227055 7149796302740 10724694454110 21449388908220
- Sum of all divisors σ(n): 75496460390400
- Sum of proper divisors (its aliquot sum) s(n): 54047071482180
- 21449388908220 is an abundant number, because the sum of its proper divisors (54047071482180) is greater than itself. Its abundance is 32597682573960
Bases of 21449388908220
- Binary: 1001110000010000100110011010011011110101111002
- Hexadecimal: 0x13821334DEBC
- Base-36: 7LPPOCKHO
Squares and roots of 21449388908220
- 21449388908220 squared (214493889082202) is 460076284536071163583568400
- 21449388908220 cubed (214493889082203) is 9868355154463073524665981226007692248000
-
The
square root of 21449388908220 is 4631348.4978157279 -
The
cube root of 21449388908220 is 27784.6528251433
Scales and comparisons
How big is 21449388908220?- 21,449,388,908,220 seconds is equal to 682,024 years, 11 weeks, 3 days, 1 hour, 37 minutes.
-
To count from 1 to 21,449,388,908,220 would take you about one million, seven hundred five thousand and sixty 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 21449388908220 cubic inches would be around 2315.4 feet tall.
Recreational maths with 21449388908220
- 21449388908220 backwards is 02280988394412
- 21449388908220 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21449388908220's digits is 60
- More coming soon!
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