12864391680
12,864,391,680 is an even composite number composed of six prime numbers multiplied together.
12864391680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12864391680:
29 × 3 × 5 × 7 × 271 × 883
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 271 × 883)See below for interesting mathematical facts about the number 12864391680 from the Numbermatics database.
Names of 12864391680
- Cardinal: 12864391680 can be written as Twelve billion, eight hundred sixty-four million, three hundred ninety-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.286439168 × 1010
Factors of 12864391680
Divisors of 12864391680
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 256 271 280 320 336 384 420 448 480 512 542 560 640 672 768 813 840 883 896 960 1084 1120 1280 1344 1355 1536 1626 1680 1766 1792 1897 1920 2168 2240 2560 2649 2688 2710 3252 3360 3532 3584 3794 3840 4065 4336 4415 4480 5298 5376 5420 5691 6181 6504 6720 7064 7588 7680 8130 8672 8830 8960 9485 10596 10752 10840 11382 12362 13008 13245 13440 14128 15176 16260 17344 17660 17920 18543 18970 21192 21680 22764 24724 26016 26490 26880 28256 28455 30352 30905 32520 34688 35320 37086 37940 42384 43360 45528 49448 52032 52980 53760 56512 56910 60704 61810 65040 69376 70640 74172 75880 84768 86720 91056 92715 98896 104064 105960 113024 113820 121408 123620 130080 138752 141280 148344 151760 169536 173440 182112 185430 197792 208128 211920 226048 227640 239293 242816 247240 260160 282560 296688 303520 339072 346880 364224 370860 395584 416256 423840 452096 455280 478586 485632 494480 520320 565120 593376 607040 678144 693760 717879 728448 741720 791168 847680 910560 957172 971264 988960 1040640 1130240 1186752 1196465 1214080 1356288 1435758 1456896 1483440 1582336 1675051 1695360 1821120 1914344 1977920 2081280 2260480 2373504 2392930 2428160 2871516 2913792 2966880 3164672 3350102 3390720 3589395 3642240 3828688 3955840 4747008 4785860 4856320 5025153 5743032 5933760 6700204 6781440 7178790 7284480 7657376 7911680 8375255 9494016 9571720 10050306 11486064 11867520 13400408 14357580 14568960 15314752 15823360 16750510 19143440 20100612 22972128 23735040 25125765 26800816 28715160 30629504 33501020 38286880 40201224 45944256 47470080 50251530 53601632 57430320 61259008 67002040 76573760 80402448 91888512 100503060 107203264 114860640 122518016 134004080 153147520 160804896 183777024 201006120 214406528 229721280 268008160 306295040 321609792 367554048 402012240 428813056 459442560 536016320 612590080 643219584 804024480 857626112 918885120 1072032640 1286439168 1608048960 1837770240 2144065280 2572878336 3216097920 4288130560 6432195840 12864391680
- Sum of all divisors σ(n): 47227834368
- Sum of proper divisors (its aliquot sum) s(n): 34363442688
- 12864391680 is an abundant number, because the sum of its proper divisors (34363442688) is greater than itself. Its abundance is 21499051008
Bases of 12864391680
- Binary: 10111111101100011100001010000000002
- Hexadecimal: 0x2FEC70A00
- Base-36: 5WR4K5C
Squares and roots of 12864391680
- 12864391680 squared (128643916802) is 165492573296453222400
- 12864391680 cubed (128643916803) is 2128961283016683007751749632000
-
The
square root of 12864391680 is 113421.3017029869 -
The
cube root of 12864391680 is 2343.1301816003
Scales and comparisons
How big is 12864391680?- 12,864,391,680 seconds is equal to 409 years, 2 weeks, 3 days, 10 hours, 8 minutes.
-
To count from 1 to 12,864,391,680 would take you about eight hundred eighteen 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 12864391680 cubic inches would be around 195.3 feet tall.
Recreational maths with 12864391680
- 12864391680 backwards is 08619346821
- 12864391680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12864391680's digits is 48
- More coming soon!
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