21721948416
21,721,948,416 is an even composite number composed of six prime numbers multiplied together.
21721948416 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21721948416:
28 × 33 × 7 × 29 × 113 × 137
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 29 × 113 × 137)See below for interesting mathematical facts about the number 21721948416 from the Numbermatics database.
Names of 21721948416
- Cardinal: 21721948416 can be written as Twenty-one billion, seven hundred twenty-one million, nine hundred forty-eight thousand, four hundred sixteen.
Scientific notation
- Scientific notation: 2.1721948416 × 1010
Factors of 21721948416
Divisors of 21721948416
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 29 32 36 42 48 54 56 58 63 64 72 84 87 96 108 112 113 116 126 128 137 144 168 174 189 192 203 216 224 226 232 252 256 261 274 288 336 339 348 378 384 406 411 432 448 452 464 504 522 548 576 609 672 678 696 756 768 783 791 812 822 864 896 904 928 959 1008 1017 1044 1096 1152 1218 1233 1344 1356 1392 1512 1566 1582 1624 1644 1728 1792 1808 1827 1856 1918 2016 2034 2088 2192 2304 2373 2436 2466 2688 2712 2784 2877 3024 3051 3132 3164 3248 3277 3288 3456 3616 3654 3699 3712 3836 3973 4032 4068 4176 4384 4746 4872 4932 5376 5424 5481 5568 5754 6048 6102 6264 6328 6496 6554 6576 6912 7119 7232 7308 7398 7424 7672 7946 8064 8136 8352 8631 8768 9492 9744 9831 9864 10848 10962 11136 11508 11919 12096 12204 12528 12656 12992 13108 13152 14238 14464 14616 14796 15344 15481 15892 16128 16272 16704 17262 17536 18984 19488 19662 19728 21357 21696 21924 22272 22939 23016 23838 24192 24408 25056 25312 25893 25984 26216 26304 27811 28476 28928 29232 29493 29592 30688 30962 31784 32544 33408 34524 35072 35757 37968 38976 39324 39456 42714 43392 43848 45878 46032 46443 47676 48384 48816 50112 50624 51786 51968 52432 52608 55622 56952 58464 58986 59184 61376 61924 63568 65088 66816 68817 69048 71514 75936 77952 78648 78912 83433 85428 86784 87696 88479 91756 92064 92886 95352 97632 100224 101248 103572 104864 105216 107271 108367 111244 113904 116928 117972 118368 122752 123848 127136 130176 137634 138096 139329 143028 151872 155904 157296 157824 166866 170856 175392 176958 183512 184128 185772 190704 195264 200448 202496 206451 207144 209728 214542 216734 222488 227808 233856 235944 236736 245504 247696 250299 254272 260352 275268 276192 278658 286056 303744 314592 315648 325101 333732 341712 350784 353916 367024 368256 371544 381408 390528 412902 414288 417987 419456 429084 433468 444976 448949 455616 467712 471888 473472 495392 500598 508544 550536 552384 557316 572112 607488 619353 629184 650202 667464 683424 701568 707832 734048 736512 743088 750897 762816 781056 825804 828576 835974 838912 858168 866936 889952 897898 911232 943776 946944 975303 990784 1001196 1017088 1101072 1104768 1114632 1144224 1238706 1258368 1300404 1334928 1346847 1366848 1403136 1415664 1468096 1486176 1501794 1525632 1651608 1657152 1671948 1716336 1733872 1779904 1795796 1822464 1887552 1950606 1981568 2002392 2202144 2209536 2229264 2288448 2477412 2516736 2600808 2669856 2693694 2733696 2831328 2925909 2936192 2972352 3003588 3051264 3142643 3303216 3314304 3343896 3432672 3467744 3559808 3591592 3775104 3901212 3963136 4004784 4040541 4404288 4458528 4576896 4954824 5201616 5339712 5387388 5467392 5662656 5851818 5872384 5944704 6007176 6285286 6606432 6628608 6687792 6865344 6935488 7119616 7183184 7550208 7802424 8009568 8081082 8808576 8917056 9153792 9427929 9909648 10403232 10679424 10774776 11325312 11703636 11889408 12014352 12121623 12570572 13212864 13375584 13730688 13870976 14366368 15604848 16019136 16162164 17617152 17834112 18855858 19819296 20806464 21358848 21549552 22650624 23407272 24028704 24243246 25141144 26425728 26751168 27461376 27741952 28283787 28732736 31209696 32038272 32324328 35668224 37711716 39638592 41612928 43099104 46814544 48057408 48486492 50282288 52851456 53502336 56567574 57465472 62419392 64076544 64648656 75423432 79277184 83225856 84851361 86198208 93629088 96114816 96972984 100564576 107004672 113135148 114930944 124838784 129297312 150846864 158554368 169702722 172396416 187258176 192229632 193945968 201129152 226270296 249677568 258594624 301693728 339405444 344792832 374516352 387891936 402258304 452540592 517189248 603387456 678810888 749032704 775783872 804516608 905081184 1034378496 1206774912 1357621776 1551567744 1810162368 2413549824 2715243552 3103135488 3620324736 5430487104 7240649472 10860974208 21721948416
- Sum of all divisors σ(n): 77174899200
- Sum of proper divisors (its aliquot sum) s(n): 55452950784
- 21721948416 is an abundant number, because the sum of its proper divisors (55452950784) is greater than itself. Its abundance is 33731002368
Bases of 21721948416
- Binary: 101000011101011101010100001000000002
- Hexadecimal: 0x50EBAA100
- Base-36: 9Z8OQO0
Squares and roots of 21721948416
- 21721948416 squared (217219484162) is 471843042987364909056
- 21721948416 cubed (217219484163) is 10249350240220011094282963255296
-
The
square root of 21721948416 is 147383.6775765891 -
The
cube root of 21721948416 is 2790.1845270485
Scales and comparisons
How big is 21721948416?- 21,721,948,416 seconds is equal to 690 years, 35 weeks, 6 days, 10 hours, 33 minutes, 36 seconds.
-
To count from 1 to 21,721,948,416 would take you about one thousand, three hundred eighty-one 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 21721948416 cubic inches would be around 232.5 feet tall.
Recreational maths with 21721948416
- 21721948416 backwards is 61484912712
- The number of decimal digits it has is: 11
- The sum of 21721948416's digits is 45
- More coming soon!
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