21678437289216
21,678,437,289,216 is an even composite number composed of five prime numbers multiplied together.
21678437289216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21678437289216:
28 × 3 × 61 × 127 × 3643621
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 61 × 127 × 3643621)See below for interesting mathematical facts about the number 21678437289216 from the Numbermatics database.
Names of 21678437289216
- Cardinal: 21678437289216 can be written as Twenty-one trillion, six hundred seventy-eight billion, four hundred thirty-seven million, two hundred eighty-nine thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.1678437289216 × 1013
Factors of 21678437289216
Divisors of 21678437289216
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 61 64 96 122 127 128 183 192 244 254 256 366 381 384 488 508 732 762 768 976 1016 1464 1524 1952 2032 2928 3048 3904 4064 5856 6096 7747 7808 8128 11712 12192 15494 15616 16256 23241 23424 24384 30988 32512 46482 46848 48768 61976 92964 97536 123952 185928 247904 371856 495808 743712 991616 1487424 1983232 2974848 3643621 5949696 7287242 10930863 14574484 21861726 29148968 43723452 58297936 87446904 116595872 174893808 222260881 233191744 349787616 444521762 462739867 466383488 666782643 699575232 889043524 925479734 932766976 1333565286 1388219601 1399150464 1778087048 1850959468 2667130572 2776439202 2798300928 3556174096 3701918936 5334261144 5552878404 7112348192 7403837872 10668522288 11105756808 14224696384 14807675744 21337044576 22211513616 28227131887 28449392768 29615351488 42674089152 44423027232 56454263774 56898785536 59230702976 84681395661 85348178304 88846054464 112908527548 118461405952 169362791322 170696356608 177692108928 225817055096 338725582644 355384217856 451634110192 677451165288 903268220384 1354902330576 1806536440768 2709804661152 3613072881536 5419609322304 7226145763072 10839218644608 21678437289216
- Sum of all divisors σ(n): 59103862888448
- Sum of proper divisors (its aliquot sum) s(n): 37425425599232
- 21678437289216 is an abundant number, because the sum of its proper divisors (37425425599232) is greater than itself. Its abundance is 15746988310016
Bases of 21678437289216
- Binary: 1001110110111011001111000110111001101000000002
- Hexadecimal: 0x13B7678DCD00
- Base-36: 7OMXPUADC
Squares and roots of 21678437289216
- 21678437289216 squared (216784372892162) is 469954643302470754429894656
- 21678437289216 cubed (216784372892163) is 10187882263608486311618323929929084829696
-
The
square root of 21678437289216 is 4656010.8772656449 -
The
cube root of 21678437289216 is 27883.2028015847
Scales and comparisons
How big is 21678437289216?- 21,678,437,289,216 seconds is equal to 689,307 years, 12 weeks, 6 days, 23 hours, 53 minutes, 36 seconds.
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To count from 1 to 21,678,437,289,216 would take you about one million, seven hundred twenty-three thousand, two hundred sixty-eight 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 21678437289216 cubic inches would be around 2323.6 feet tall.
Recreational maths with 21678437289216
- 21678437289216 backwards is 61298273487612
- The number of decimal digits it has is: 14
- The sum of 21678437289216's digits is 66
- More coming soon!
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