12921147720
12,921,147,720 is an even composite number composed of seven prime numbers multiplied together.
12921147720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 12921147720:
23 × 32 × 5 × 13 × 53 × 113 × 461
(2 × 2 × 2 × 3 × 3 × 5 × 13 × 53 × 113 × 461)See below for interesting mathematical facts about the number 12921147720 from the Numbermatics database.
Names of 12921147720
- Cardinal: 12921147720 can be written as Twelve billion, nine hundred twenty-one million, one hundred forty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.292114772 × 1010
Factors of 12921147720
Divisors of 12921147720
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 53 60 65 72 78 90 104 106 113 117 120 130 156 159 180 195 212 226 234 260 265 312 318 339 360 390 424 452 461 468 477 520 530 565 585 636 678 689 780 795 904 922 936 954 1017 1060 1130 1170 1272 1356 1378 1383 1469 1560 1590 1695 1844 1908 2034 2067 2120 2260 2305 2340 2385 2712 2756 2766 2938 3180 3390 3445 3688 3816 4068 4134 4149 4407 4520 4610 4680 4770 5085 5512 5532 5876 5989 5993 6201 6360 6780 6890 6915 7345 8136 8268 8298 8814 9220 9540 10170 10335 11064 11752 11978 11986 12402 13221 13560 13780 13830 14690 16536 16596 17628 17967 17979 18440 19080 20340 20670 20745 22035 23956 23972 24433 24804 26442 27560 27660 29380 29945 29965 31005 33192 35256 35934 35958 40680 41340 41490 44070 47912 47944 48866 49608 52093 52884 53901 53937 55320 58760 59890 59930 62010 66105 71868 71916 73299 77857 82680 82980 88140 89835 89895 97732 104186 105768 107802 107874 119780 119860 122165 124020 132210 143736 143832 146598 155714 156279 165960 176280 179670 179790 195464 208372 215604 215748 219897 233571 239560 239720 244330 248040 260465 264420 269505 269685 293196 311428 312558 317629 359340 359580 366495 389285 416744 431208 431496 439794 467142 468837 488660 520930 528840 539010 539370 586392 622856 625116 635258 677209 700713 718680 719160 732990 778570 781395 879588 934284 937674 952887 977320 1041860 1078020 1078740 1099485 1167855 1250232 1270516 1354418 1401426 1465980 1557140 1562790 1588145 1759176 1868568 1875348 1905774 2031627 2083720 2156040 2157480 2198970 2335710 2344185 2541032 2708836 2760929 2802852 2858661 2931960 3114280 3125580 3176290 3386045 3503565 3750696 3811548 4063254 4397940 4671420 4688370 4764435 5417672 5521858 5605704 5717322 6094881 6251160 6352580 6772090 7007130 7623096 8126508 8282787 8795880 9342840 9376740 9528870 10158135 11043716 11434644 12189762 12705160 13544180 13804645 14014260 14293305 16253016 16565574 18753480 19057740 20316270 22087432 22869288 24379524 24848361 27088360 27609290 28028520 28586610 30474405 33131148 35892077 38115480 40632540 41413935 48759048 49696722 55218580 57173220 60948810 66262296 71784154 81265080 82827870 99393444 107676231 110437160 114346440 121897620 124241805 143568308 165655740 179460385 198786888 215352462 243795240 248483610 287136616 323028693 331311480 358920770 430704924 496967220 538381155 646057386 717841540 861409848 993934440 1076762310 1292114772 1435683080 1615143465 2153524620 2584229544 3230286930 4307049240 6460573860 12921147720
- Sum of all divisors σ(n): 46585899360
- Sum of proper divisors (its aliquot sum) s(n): 33664751640
- 12921147720 is an abundant number, because the sum of its proper divisors (33664751640) is greater than itself. Its abundance is 20743603920
Bases of 12921147720
- Binary: 11000000100010100100010001010010002
- Hexadecimal: 0x302291148
- Base-36: 5XOX1E0
Squares and roots of 12921147720
- 12921147720 squared (129211477202) is 166956058402061198400
- 12921147720 cubed (129211477203) is 2157263893361979897006627648000
-
The
square root of 12921147720 is 113671.2264383559 -
The
cube root of 12921147720 is 2346.5709893233
Scales and comparisons
How big is 12921147720?- 12,921,147,720 seconds is equal to 410 years, 44 weeks, 2 days, 7 hours, 42 minutes.
-
To count from 1 to 12,921,147,720 would take you about eight hundred twenty-one 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 12921147720 cubic inches would be around 195.5 feet tall.
Recreational maths with 12921147720
- 12921147720 backwards is 02774112921
- 12921147720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12921147720's digits is 36
- More coming soon!
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