21354637824
21,354,637,824 is an even composite number composed of four prime numbers multiplied together.
21354637824 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 21354637824:
29 × 39 × 13 × 163
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 163)See below for interesting mathematical facts about the number 21354637824 from the Numbermatics database.
Names of 21354637824
- Cardinal: 21354637824 can be written as Twenty-one billion, three hundred fifty-four million, six hundred thirty-seven thousand, eight hundred twenty-four.
Scientific notation
- Scientific notation: 2.1354637824 × 1010
Factors of 21354637824
Divisors of 21354637824
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 128 144 156 162 163 192 208 216 234 243 256 288 312 324 326 351 384 416 432 468 486 489 512 576 624 648 652 702 729 768 832 864 936 972 978 1053 1152 1248 1296 1304 1404 1458 1467 1536 1664 1728 1872 1944 1956 2106 2119 2187 2304 2496 2592 2608 2808 2916 2934 3159 3328 3456 3744 3888 3912 4212 4238 4374 4401 4608 4992 5184 5216 5616 5832 5868 6318 6357 6561 6656 6912 7488 7776 7824 8424 8476 8748 8802 9477 9984 10368 10432 11232 11664 11736 12636 12714 13122 13203 13824 14976 15552 15648 16848 16952 17496 17604 18954 19071 19683 19968 20736 20864 22464 23328 23472 25272 25428 26244 26406 28431 29952 31104 31296 33696 33904 34992 35208 37908 38142 39366 39609 41472 41728 44928 46656 46944 50544 50856 52488 52812 56862 57213 59904 62208 62592 67392 67808 69984 70416 75816 76284 78732 79218 83456 85293 89856 93312 93888 101088 101712 104976 105624 113724 114426 118827 124416 125184 134784 135616 139968 140832 151632 152568 157464 158436 170586 171639 179712 186624 187776 202176 203424 209952 211248 227448 228852 237654 250368 255879 269568 271232 279936 281664 303264 305136 314928 316872 341172 343278 356481 373248 375552 404352 406848 419904 422496 454896 457704 475308 511758 514917 539136 542464 559872 563328 606528 610272 629856 633744 682344 686556 712962 751104 808704 813696 839808 844992 909792 915408 950616 1023516 1029834 1069443 1084928 1119744 1126656 1213056 1220544 1259712 1267488 1364688 1373112 1425924 1544751 1617408 1627392 1679616 1689984 1819584 1830816 1901232 2047032 2059668 2138886 2253312 2426112 2441088 2519424 2534976 2729376 2746224 2851848 3089502 3208329 3254784 3359232 3379968 3639168 3661632 3802464 4094064 4119336 4277772 4634253 4852224 4882176 5038848 5069952 5458752 5492448 5703696 6179004 6416658 6759936 7278336 7323264 7604928 8188128 8238672 8555544 9268506 9764352 10077696 10139904 10917504 10984896 11407392 12358008 12833316 13902759 14556672 14646528 15209856 16376256 16477344 17111088 18537012 20279808 21835008 21969792 22814784 24716016 25666632 27805518 29293056 30419712 32752512 32954688 34222176 37074024 41708277 43670016 43939584 45629568 49432032 51333264 55611036 60839424 65505024 65909376 68444352 74148048 83416554 87879168 91259136 98864064 102666528 111222072 131010048 131818752 136888704 148296096 166833108 182518272 197728128 205333056 222444144 263637504 273777408 296592192 333666216 395456256 410666112 444888288 547554816 593184384 667332432 790912512 821332224 889776576 1186368768 1334664864 1642664448 1779553152 2372737536 2669329728 3559106304 5338659456 7118212608 10677318912 21354637824
- Sum of all divisors σ(n): 69346207392
- Sum of proper divisors (its aliquot sum) s(n): 47991569568
- 21354637824 is an abundant number, because the sum of its proper divisors (47991569568) is greater than itself. Its abundance is 26636931744
Bases of 21354637824
- Binary: 100111110001101010111101010000000002
- Hexadecimal: 0x4F8D5EA00
- Base-36: 9T60000
Squares and roots of 21354637824
- 21354637824 squared (213546378242) is 456020556594211454976
- 21354637824 cubed (213546378243) is 9738153826368280555884562612224
-
The
square root of 21354637824 is 146132.2614072607 -
The
cube root of 21354637824 is 2774.3680220451
Scales and comparisons
How big is 21354637824?- 21,354,637,824 seconds is equal to 679 years, 4 days, 3 hours, 50 minutes, 24 seconds.
-
To count from 1 to 21,354,637,824 would take you about one thousand, three hundred fifty-eight 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 21354637824 cubic inches would be around 231.2 feet tall.
Recreational maths with 21354637824
- 21354637824 backwards is 42873645312
- The number of decimal digits it has is: 11
- The sum of 21354637824's digits is 45
- More coming soon!
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