642490007208660
642,490,007,208,660 is an even composite number composed of seven prime numbers multiplied together.
What does the number 642490007208660 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 288 divisors.
642490007208660 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 642490007208660:
22 × 32 × 5 × 13 × 43 × 45319 × 140897
(2 × 2 × 3 × 3 × 5 × 13 × 43 × 45319 × 140897)See below for interesting mathematical facts about the number 642490007208660 from the Numbermatics database.
Names of 642490007208660
- Cardinal: 642490007208660 can be written as Six hundred forty-two trillion, four hundred ninety billion, seven million, two hundred eight thousand, six hundred sixty.
Scientific notation
- Scientific notation: 6.4249000720866 × 1014
Factors of 642490007208660
Divisors of 642490007208660
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 43 45 52 60 65 78 86 90 117 129 130 156 172 180 195 215 234 258 260 387 390 430 468 516 559 585 645 774 780 860 1118 1170 1290 1548 1677 1935 2236 2340 2580 2795 3354 3870 5031 5590 6708 7740 8385 10062 11180 16770 20124 25155 33540 45319 50310 90638 100620 135957 140897 181276 226595 271914 281794 407871 422691 453190 543828 563588 589147 679785 704485 815742 845382 906380 1178294 1268073 1359570 1408970 1631484 1690764 1767441 1831661 1948717 2039355 2113455 2356588 2536146 2719140 2817940 2945735 3534882 3663322 3897434 4078710 4226910 5072292 5302323 5494983 5846151 5891470 6058571 6340365 7069764 7326644 7794868 8157420 8453820 8837205 9158305 9743585 10604646 10989966 11692302 11782940 12117142 12680730 16484949 17538453 17674410 18175713 18316610 19487170 21209292 21979932 23384604 24234284 25333321 25361460 26511615 27474915 29230755 30292855 32969898 35076906 35348820 36351426 36633220 38974340 50666642 53023230 54527139 54949830 58461510 60585710 65939796 70153812 72702852 75999963 78761423 82424745 87692265 90878565 101333284 106046460 109054278 109899660 116923020 121171420 126666605 151999926 157522846 164849490 175384530 181757130 218108556 227999889 236284269 253333210 272635695 303999852 315045692 329698980 350769060 363514260 379999815 393807115 455999778 472568538 506666420 545271390 708852807 759999630 787614230 911999556 945137076 1090542780 1139999445 1181421345 1417705614 1519999260 1575228460 2279998890 2362842690 2835411228 3544264035 4559997780 4725685380 6385311143 7088528070 12770622286 14177056140 19155933429 25541244572 31926555715 38311866858 57467800287 63853111430 76623733716 83009044859 95779667145 114935600574 127706222860 166018089718 191559334290 229871201148 249027134577 274568379149 287339001435 332036179436 383118668580 415045224295 498054269154 549136758298 574678002870 747081403731 823705137447 830090448590 996108538308 1098273516596 1149356005740 1245135672885 1372841895745 1494162807462 1647410274894 1660180897180 2471115412341 2490271345770 2745683791490 2988325614924 3294820549788 3569388928937 3735407018655 4118525687235 4942230824682 4980542691540 5491367582980 7138777857874 7470814037310 8237051374470 9884461649364 10708166786811 12355577061705 14277555715748 14941628074620 16474102748940 17846944644685 21416333573622 24711154123410 32124500360433 35693889289370 42832667147244 49422308246820 53540833934055 64249000720866 71387778578740 107081667868110 128498001441732 160622501802165 214163335736220 321245003604330 642490007208660
- Sum of all divisors σ(n): 2147672640072960
- Sum of proper divisors (its aliquot sum) s(n): 1505182632864300
- 642490007208660 is an abundant number, because the sum of its proper divisors (1505182632864300) is greater than itself. Its abundance is 862692625655640
Bases of 642490007208660
- Binary: 100100100001010111010111001010011011000010110101002
- Hexadecimal: 0x248575CA6C2D4
- Base-36: 6BQRU1OWD0
Squares and roots of 642490007208660
- 642490007208660 squared (6424900072086602) is 412793409362983978764778995600
- 642490007208660 cubed (6424900072086603) is 265215640557310914855150945245555754421896000
-
The
square root of 642490007208660 is 25347386.5952421217 -
The
cube root of 642490007208660 is 86289.0045955753
Scales and comparisons
How big is 642490007208660?- 642,490,007,208,660 seconds is equal to 20,429,194 years, 45 weeks, 4 days, 6 hours, 51 minutes.
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To count from 1 to 642,490,007,208,660 would take you about fifty-one million, seventy-two thousand, nine hundred eighty-seven 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 642490007208660 cubic inches would be around 7190.8 feet tall.
Recreational maths with 642490007208660
- 642490007208660 backwards is 066802700094246
- The number of decimal digits it has is: 15
- The sum of 642490007208660's digits is 54
- More coming soon!
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