20984837940
20,984,837,940 is an even composite number composed of seven prime numbers multiplied together.
20984837940 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 20984837940:
22 × 33 × 5 × 11 × 79 × 197 × 227
(2 × 2 × 3 × 3 × 3 × 5 × 11 × 79 × 197 × 227)See below for interesting mathematical facts about the number 20984837940 from the Numbermatics database.
Names of 20984837940
- Cardinal: 20984837940 can be written as Twenty billion, nine hundred eighty-four million, eight hundred thirty-seven thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.098483794 × 1010
Factors of 20984837940
Divisors of 20984837940
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 79 90 99 108 110 132 135 158 165 180 197 198 220 227 237 270 297 316 330 394 395 396 454 474 495 540 591 594 660 681 711 788 790 869 908 948 985 990 1135 1182 1185 1188 1362 1422 1485 1580 1738 1773 1970 1980 2043 2133 2167 2270 2364 2370 2497 2607 2724 2844 2955 2970 3405 3476 3546 3555 3940 4086 4266 4334 4345 4540 4740 4994 5214 5319 5910 5940 6129 6501 6810 7092 7110 7491 7821 8172 8532 8668 8690 8865 9988 10215 10428 10638 10665 10835 11820 12258 12485 13002 13035 13620 14220 14982 15563 15642 17380 17730 17933 19503 20430 21276 21330 21670 22473 23463 24516 24970 26004 26070 26595 29964 30645 31126 31284 32505 35460 35866 37455 39006 39105 40860 42660 43340 44719 44946 46689 46926 49940 52140 53190 53799 58509 61290 62252 65010 67419 71732 74910 77815 78012 78210 89438 89665 89892 93378 93852 97515 106380 107598 112365 117018 117315 122580 130020 134157 134838 140067 149820 155630 156420 161397 171193 178876 179330 186756 195030 197263 215196 223595 224730 233445 234036 234630 268314 268995 269676 280134 292545 311260 322794 337095 342386 358660 390060 394526 402471 420201 447190 449460 466890 469260 484191 491909 513579 536628 537990 560268 585090 591789 645588 670785 674190 684772 700335 789052 804942 806985 840402 855965 894380 933780 968382 983818 986315 1027158 1075980 1170180 1183578 1207413 1341570 1348380 1400670 1475727 1540737 1609884 1613970 1680804 1711930 1775367 1936764 1967636 1972630 2012355 2054316 2101005 2367156 2414826 2420955 2459545 2567895 2683140 2801340 2951454 2958945 3081474 3227940 3423860 3532801 3550734 3945260 4024710 4202010 4427181 4622211 4829652 4841910 4919090 5135790 5326101 5902908 5917890 6037065 6162948 7065602 7101468 7378635 7703685 8049420 8404020 8854362 8876835 9244422 9683820 9838180 10271580 10598403 10652202 11835780 12074130 13281543 14131204 14757270 15407370 17664005 17708724 17753670 18488844 21196806 21304404 22135905 23111055 24148260 26563086 26630505 29514540 30814740 31795209 35328010 35507340 38860811 42393612 44271810 46222110 52992015 53126172 53261010 63590418 66407715 70656020 77721622 88543620 92444220 95385627 105984030 106522020 116582433 127180836 132815430 155443244 158976045 190771254 194304055 211968060 233164866 265630860 317952090 349747299 381542508 388608110 466329732 476928135 582912165 635904180 699494598 777216220 953856270 1049241897 1165824330 1398989196 1748736495 1907712540 2098483794 2331648660 3497472990 4196967588 5246209485 6994945980 10492418970 20984837940
- Sum of all divisors σ(n): 72808243200
- Sum of proper divisors (its aliquot sum) s(n): 51823405260
- 20984837940 is an abundant number, because the sum of its proper divisors (51823405260) is greater than itself. Its abundance is 30838567320
Bases of 20984837940
- Binary: 100111000101100101100110111001101002
- Hexadecimal: 0x4E2CB3734
- Base-36: 9N1TWL0
Squares and roots of 20984837940
- 20984837940 squared (209848379402) is 440363423368063443600
- 20984837940 cubed (209848379403) is 9240955074082420335584330184000
-
The
square root of 20984837940 is 144861.4439386823 -
The
cube root of 20984837940 is 2758.2600328049
Scales and comparisons
How big is 20984837940?- 20,984,837,940 seconds is equal to 667 years, 13 weeks, 1 day, 1 hour, 39 minutes.
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To count from 1 to 20,984,837,940 would take you about one thousand, three 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 20984837940 cubic inches would be around 229.9 feet tall.
Recreational maths with 20984837940
- 20984837940 backwards is 04973848902
- 20984837940 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20984837940's digits is 54
- More coming soon!
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