2121672420
2,121,672,420 is an even composite number composed of seven prime numbers multiplied together.
2121672420 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 2121672420:
22 × 33 × 5 × 7 × 17 × 137 × 241
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 17 × 137 × 241)See below for interesting mathematical facts about the number 2121672420 from the Numbermatics database.
Names of 2121672420
- Cardinal: 2121672420 can be written as Two billion, one hundred twenty-one million, six hundred seventy-two thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.12167242 × 109
Factors of 2121672420
Divisors of 2121672420
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 30 34 35 36 42 45 51 54 60 63 68 70 84 85 90 102 105 108 119 126 135 137 140 153 170 180 189 204 210 238 241 252 255 270 274 306 315 340 357 378 411 420 459 476 482 510 540 548 595 612 630 685 714 723 756 765 822 918 945 959 964 1020 1071 1190 1205 1233 1260 1370 1428 1446 1530 1644 1687 1785 1836 1890 1918 2055 2142 2169 2295 2329 2380 2410 2466 2740 2877 2892 3060 3213 3374 3570 3615 3699 3780 3836 4097 4110 4284 4338 4590 4658 4795 4820 4932 5061 5355 5754 6165 6426 6507 6748 6987 7140 7230 7398 8194 8220 8435 8631 8676 9180 9316 9590 10122 10710 10845 11508 11645 12291 12330 12852 13014 13974 14385 14460 14796 15183 16065 16303 16388 16870 17262 18495 19180 20244 20485 20961 21420 21690 23290 24582 24660 25305 25893 26028 27948 28679 28770 30366 32130 32535 32606 33017 33740 34524 34935 36873 36990 40970 41922 43155 43380 45549 46580 48909 49164 50610 51786 57358 57540 60732 61455 62883 64260 65070 65212 66034 69870 73746 73980 75915 81515 81940 83844 86037 86310 91098 97818 99051 101220 103572 104805 110619 114716 122910 125766 129465 130140 132068 139740 143395 146727 147492 151830 163030 165085 172074 172620 182196 184365 195636 198102 209610 221238 227745 231119 244545 245820 251532 258111 258930 286790 293454 297153 303660 314415 326060 330170 344148 368730 396204 419220 430185 440181 442476 455490 462238 489090 495255 516222 517860 553095 561289 573580 586908 594306 628830 660340 693357 733635 737460 774333 860370 880362 891459 910980 924476 978180 990510 1032444 1106190 1122578 1155595 1188612 1257660 1290555 1386714 1467270 1485765 1548666 1683867 1720740 1760724 1782918 1981020 2080071 2200905 2212380 2245156 2311190 2581110 2773428 2806445 2934540 2971530 3097332 3367734 3466785 3565836 3871665 3929023 4160142 4401810 4457295 4622380 5051601 5162220 5612890 5943060 6240213 6735468 6933570 7743330 7858046 8320284 8419335 8803620 8914590 10103202 10400355 11225780 11787069 12480426 13867140 15154803 15486660 15716092 16838670 17829180 19645115 20206404 20800710 23574138 24960852 25258005 30309606 31201065 33677340 35361207 39290230 41601420 47148276 50516010 58935345 60619212 62402130 70722414 75774015 78580460 101032020 106083621 117870690 124804260 141444828 151548030 176806035 212167242 235741380 303096060 353612070 424334484 530418105 707224140 1060836210 2121672420
- Sum of all divisors σ(n): 8079160320
- Sum of proper divisors (its aliquot sum) s(n): 5957487900
- 2121672420 is an abundant number, because the sum of its proper divisors (5957487900) is greater than itself. Its abundance is 3835815480
Bases of 2121672420
- Binary: 11111100111011000100110111001002
- Hexadecimal: 0x7E7626E4
- Base-36: Z36SX0
Squares and roots of 2121672420
- 2121672420 squared (21216724202) is 4501493857788656400
- 2121672420 cubed (21216724203) is 9550695366869594472736488000
-
The
square root of 2121672420 is 46061.6154731899 -
The
cube root of 2121672420 is 1284.9693745321
Scales and comparisons
How big is 2121672420?- 2,121,672,420 seconds is equal to 67 years, 24 weeks, 9 hours, 27 minutes.
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To count from 1 to 2,121,672,420 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 2121672420 cubic inches would be around 107.1 feet tall.
Recreational maths with 2121672420
- 2121672420 backwards is 0242761212
- 2121672420 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 2121672420's digits is 27
- More coming soon!
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