2121699840
2,121,699,840 is an even composite number composed of six prime numbers multiplied together.
2121699840 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 2121699840:
29 × 3 × 5 × 13 × 79 × 269
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 79 × 269)See below for interesting mathematical facts about the number 2121699840 from the Numbermatics database.
Names of 2121699840
- Cardinal: 2121699840 can be written as Two billion, one hundred twenty-one million, six hundred ninety-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.12169984 × 109
Factors of 2121699840
Divisors of 2121699840
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 79 80 96 104 120 128 130 156 158 160 192 195 208 237 240 256 260 269 312 316 320 384 390 395 416 474 480 512 520 538 624 632 640 768 780 790 807 832 948 960 1027 1040 1076 1185 1248 1264 1280 1345 1536 1560 1580 1614 1664 1896 1920 2054 2080 2152 2370 2496 2528 2560 2690 3081 3120 3160 3228 3328 3497 3792 3840 4035 4108 4160 4304 4740 4992 5056 5135 5380 6162 6240 6320 6456 6656 6994 7584 7680 8070 8216 8320 8608 9480 9984 10112 10270 10491 10760 12324 12480 12640 12912 13988 15168 15405 16140 16432 16640 17216 17485 18960 19968 20224 20540 20982 21251 21520 24648 24960 25280 25824 27976 30336 30810 32280 32864 33280 34432 34970 37920 40448 41080 41964 42502 43040 49296 49920 50560 51648 52455 55952 60672 61620 63753 64560 65728 68864 69940 75840 82160 83928 85004 86080 98592 99840 101120 103296 104910 106255 111904 121344 123240 127506 129120 131456 137728 139880 151680 164320 167856 170008 172160 197184 202240 206592 209820 212510 223808 246480 255012 258240 262912 276263 279760 303360 318765 328640 335712 340016 344320 394368 413184 419640 425020 447616 492960 510024 516480 525824 552526 559520 606720 637530 657280 671424 680032 688640 788736 828789 839280 850040 895232 985920 1020048 1032960 1105052 1119040 1275060 1314560 1342848 1360064 1381315 1577472 1657578 1678560 1700080 1790464 1971840 2040096 2065920 2210104 2238080 2550120 2629120 2685696 2720128 2762630 3315156 3357120 3400160 3943680 4080192 4143945 4420208 4476160 5100240 5371392 5440256 5525260 6630312 6714240 6800320 7887360 8160384 8287890 8840416 8952320 10200480 10880512 11050520 13260624 13428480 13600640 16320768 16575780 17680832 20400960 22101040 26521248 26856960 27201280 32641536 33151560 35361664 40801920 44202080 53042496 54402560 66303120 70723328 81603840 88404160 106084992 132606240 141446656 163207680 176808320 212169984 265212480 353616640 424339968 530424960 707233280 1060849920 2121699840
- Sum of all divisors σ(n): 7424524800
- Sum of proper divisors (its aliquot sum) s(n): 5302824960
- 2121699840 is an abundant number, because the sum of its proper divisors (5302824960) is greater than itself. Its abundance is 3181125120
Bases of 2121699840
- Binary: 11111100111011010010010000000002
- Hexadecimal: 0x7E769200
- Base-36: Z37E2O
Squares and roots of 2121699840
- 2121699840 squared (21216998402) is 4501610211056025600
- 2121699840 cubed (21216998403) is 9551065664539935746555904000
-
The
square root of 2121699840 is 46061.9131170211 -
The
cube root of 2121699840 is 1284.9749100563
Scales and comparisons
How big is 2121699840?- 2,121,699,840 seconds is equal to 67 years, 24 weeks, 17 hours, 4 minutes.
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To count from 1 to 2,121,699,840 would take you about one hundred thirty-four 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 2121699840 cubic inches would be around 107.1 feet tall.
Recreational maths with 2121699840
- 2121699840 backwards is 0489961212
- The number of decimal digits it has is: 10
- The sum of 2121699840's digits is 42
- More coming soon!
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