21520407168
21,520,407,168 is an even composite number composed of six prime numbers multiplied together.
What does the number 21520407168 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 384 divisors.
21520407168 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21520407168:
27 × 32 × 13 × 17 × 137 × 617
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 17 × 137 × 617)See below for interesting mathematical facts about the number 21520407168 from the Numbermatics database.
Names of 21520407168
- Cardinal: 21520407168 can be written as Twenty-one billion, five hundred twenty million, four hundred seven thousand, one hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1520407168 × 1010
Factors of 21520407168
Divisors of 21520407168
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 48 51 52 64 68 72 78 96 102 104 117 128 136 137 144 153 156 192 204 208 221 234 272 274 288 306 312 384 408 411 416 442 468 544 548 576 612 617 624 663 816 822 832 884 936 1088 1096 1152 1224 1233 1234 1248 1326 1632 1644 1664 1768 1781 1851 1872 1989 2176 2192 2329 2448 2466 2468 2496 2652 3264 3288 3536 3562 3702 3744 3978 4384 4658 4896 4932 4936 4992 5304 5343 5553 6528 6576 6987 7072 7124 7404 7488 7956 8021 8768 9316 9792 9864 9872 10489 10608 10686 11106 13152 13974 14144 14248 14808 14976 15912 16029 16042 17536 18632 19584 19728 19744 20961 20978 21216 21372 22212 24063 26304 27948 28288 28496 29616 30277 31467 31824 32058 32084 37264 39456 39488 41922 41956 42432 42744 44424 48126 52608 55896 56992 59232 60554 62934 63648 64116 64168 72189 74528 78912 78976 83844 83912 84529 84864 85488 88848 90831 94401 96252 111792 113984 118464 121108 125868 127296 128232 128336 136357 144378 149056 157824 167688 167824 169058 170976 177696 181662 188802 192504 223584 227968 236928 242216 251736 253587 254592 256464 256672 272493 272714 288756 298112 335376 335648 338116 341952 355392 363324 377604 385008 409071 447168 484432 503472 507174 512928 513344 544986 545428 577512 670752 671296 676232 683904 710784 726648 755208 760761 770016 818142 894336 968864 1006944 1014348 1025856 1026688 1089972 1090856 1098877 1155024 1227213 1341504 1342592 1352464 1436993 1453296 1510416 1521522 1540032 1636284 1937728 2013888 2028696 2051712 2179944 2181712 2197754 2310048 2454426 2683008 2704928 2873986 2906592 3020832 3043044 3080064 3272568 3296631 3875456 4027776 4057392 4310979 4359888 4363424 4395508 4620096 4908852 5409856 5747972 5813184 6041664 6086088 6545136 6593262 8114784 8621958 8719776 8726848 8791016 9240192 9817704 9889893 10819712 11495944 11626368 12083328 12172176 12932937 13090272 13186524 16229568 17243916 17439552 17453696 17582032 18680909 19635408 19779786 22991888 24344352 25865874 26180544 26373048 32459136 34487832 34879104 35164064 37361818 39270816 39559572 45983776 48688704 51731748 52361088 52746096 56042727 68975664 70328128 74723636 78541632 79119144 91967552 97377408 103463496 105492192 112085454 137951328 140656256 149447272 157083264 158238288 168128181 183935104 206926992 210984384 224170908 275902656 298894544 316476576 336256362 413853984 421968768 448341816 551805312 597789088 632953152 672512724 827707968 896683632 1195578176 1265906304 1345025448 1655415936 1793367264 2391156352 2690050896 3586734528 5380101792 7173469056 10760203584 21520407168
- Sum of all divisors σ(n): 71244547920
- Sum of proper divisors (its aliquot sum) s(n): 49724140752
- 21520407168 is an abundant number, because the sum of its proper divisors (49724140752) is greater than itself. Its abundance is 28203733584
Bases of 21520407168
- Binary: 101000000101011011101011010100000002
- Hexadecimal: 0x502B75A80
- Base-36: 9VWP0G0
Squares and roots of 21520407168
- 21520407168 squared (215204071682) is 463127924676505780224
- 21520407168 cubed (215204071683) is 9966701509909239073926002245632
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The
square root of 21520407168 is 146698.3543465979 -
The
cube root of 21520407168 is 2781.5283751173
Scales and comparisons
How big is 21520407168?- 21,520,407,168 seconds is equal to 684 years, 14 weeks, 4 days, 18 hours, 52 minutes, 48 seconds.
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To count from 1 to 21,520,407,168 would take you about one thousand, three hundred sixty-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 21520407168 cubic inches would be around 231.8 feet tall.
Recreational maths with 21520407168
- 21520407168 backwards is 86170402512
- 21520407168 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21520407168's digits is 36
- More coming soon!
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The information we have on file for 21520407168 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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