21017707984
21,017,707,984 is an even composite number composed of six prime numbers multiplied together.
21017707984 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21017707984:
24 × 72 × 132 × 41 × 53 × 73
(2 × 2 × 2 × 2 × 7 × 7 × 13 × 13 × 41 × 53 × 73)See below for interesting mathematical facts about the number 21017707984 from the Numbermatics database.
Names of 21017707984
- Cardinal: 21017707984 can be written as Twenty-one billion, seventeen million, seven hundred seven thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1017707984 × 1010
Factors of 21017707984
Divisors of 21017707984
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 41 49 52 53 56 73 82 91 98 104 106 112 146 164 169 182 196 208 212 287 292 328 338 364 371 392 424 511 533 574 584 637 656 676 689 728 742 784 848 949 1022 1066 1148 1168 1183 1274 1352 1378 1456 1484 1898 2009 2044 2132 2173 2296 2366 2548 2597 2704 2756 2968 2993 3577 3731 3796 3869 4018 4088 4264 4346 4592 4732 4823 5096 5194 5512 5936 5986 6643 6929 7154 7462 7592 7738 8036 8176 8281 8528 8692 8957 9464 9646 10192 10388 11024 11972 12337 13286 13858 14308 14924 15184 15211 15476 16072 16562 17384 17914 18928 19292 20776 20951 23944 24674 26117 26572 27083 27716 28249 28616 29848 30422 30952 32144 33124 33761 34768 35828 38584 38909 41552 41902 46501 47888 48503 49348 50297 52234 53144 54166 55432 56498 57232 59696 60844 61904 62699 66248 67522 71656 77168 77818 83804 86359 93002 97006 98696 100594 104468 106288 106477 108332 110864 112996 121688 125398 132496 135044 143312 146657 155636 158629 167608 172718 186004 189581 194012 197392 197743 201188 208936 212954 216664 225992 243376 250796 270088 272363 293314 311272 317258 335216 339521 345436 352079 367237 372008 379162 388024 395486 402376 417872 425908 433328 438893 451984 501592 505817 540176 544726 586628 604513 622544 634516 653861 679042 690872 704158 734474 744016 758324 776048 790972 804752 851816 877786 1003184 1011634 1089452 1110403 1173256 1209026 1269032 1307722 1358084 1381744 1384201 1408316 1468948 1516648 1581944 1703632 1755572 1906541 2023268 2062177 2178904 2220806 2346512 2418052 2464553 2538064 2570659 2615444 2716168 2768402 2816632 2937896 3033296 3163888 3511144 3540719 3813082 4046536 4124354 4357808 4441612 4577027 4836104 4929106 5141318 5230888 5432336 5536804 5633264 5875792 7022288 7081438 7626164 7772821 8093072 8248708 8883224 9154054 9672208 9858212 10282636 10461776 11073608 14162876 14435239 15252328 15545642 16497416 17766448 17994613 18308108 19716424 20565272 22147216 24785033 26808301 28325752 28870478 30504656 31091284 32039189 32994832 35989226 36616216 39432848 41130544 49570066 53616602 56651504 57740956 62182568 64078378 71978452 73232432 99140132 101046673 107233204 115481912 124365136 128156756 143956904 187658107 198280264 202093346 214466408 230963824 256313512 287913808 375316214 396560528 404186692 428932816 512627024 750632428 808373384 1313606749 1501264856 1616746768 2627213498 3002529712 5254426996 10508853992 21017707984
- Sum of all divisors σ(n): 54270323352
- Sum of proper divisors (its aliquot sum) s(n): 33252615368
- 21017707984 is an abundant number, because the sum of its proper divisors (33252615368) is greater than itself. Its abundance is 12234907384
Bases of 21017707984
- Binary: 100111001001100000011000101110100002
- Hexadecimal: 0x4E4C0C5D0
- Base-36: 9NLEF9S
Squares and roots of 21017707984
- 21017707984 squared (210177079842) is 441744048900697344256
- 21017707984 cubed (210177079843) is 9284447423464672995536927739904
-
The
square root of 21017707984 is 144974.8529366385 -
The
cube root of 21017707984 is 2759.6994344683
Scales and comparisons
How big is 21017707984?- 21,017,707,984 seconds is equal to 668 years, 15 weeks, 3 days, 12 hours, 13 minutes, 4 seconds.
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To count from 1 to 21,017,707,984 would take you about one thousand, three hundred thirty-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 21017707984 cubic inches would be around 230 feet tall.
Recreational maths with 21017707984
- 21017707984 backwards is 48970771012
- The number of decimal digits it has is: 11
- The sum of 21017707984's digits is 46
- More coming soon!
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