21379723470
21,379,723,470 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21379723470 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 256 divisors.
21379723470 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21379723470:
2 × 33 × 5 × 7 × 41 × 61 × 4523
(2 × 3 × 3 × 3 × 5 × 7 × 41 × 61 × 4523)See below for interesting mathematical facts about the number 21379723470 from the Numbermatics database.
Names of 21379723470
- Cardinal: 21379723470 can be written as Twenty-one billion, three hundred seventy-nine million, seven hundred twenty-three thousand, four hundred seventy.
Scientific notation
- Scientific notation: 2.137972347 × 1010
Factors of 21379723470
Divisors of 21379723470
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 41 42 45 54 61 63 70 82 90 105 122 123 126 135 183 189 205 210 246 270 287 305 315 366 369 378 410 427 549 574 610 615 630 738 854 861 915 945 1098 1107 1230 1281 1435 1647 1722 1830 1845 1890 2135 2214 2501 2562 2583 2745 2870 3294 3690 3843 4270 4305 4523 5002 5166 5490 5535 6405 7503 7686 7749 8235 8610 9046 11070 11529 12505 12810 12915 13569 15006 15498 16470 17507 19215 22509 22615 23058 25010 25830 27138 31661 35014 37515 38430 38745 40707 45018 45230 52521 57645 63322 67527 67845 75030 77490 81414 87535 94983 105042 112545 115290 122121 135054 135690 157563 158305 175070 185443 189966 203535 225090 244242 262605 275903 284949 315126 316610 337635 370886 407070 472689 474915 525210 551806 556329 569898 610605 675270 787815 827709 854847 927215 945378 949830 1112658 1221210 1298101 1379515 1424745 1575630 1655418 1668987 1709694 1854430 1931321 2363445 2483127 2596202 2759030 2781645 2849490 3337974 3862642 3894303 4138545 4274235 4726890 4966254 5006961 5563290 5793963 6490505 7449381 7788606 8277090 8344935 8548470 9656605 10013922 11312023 11587926 11682909 12415635 12981010 14898762 16689870 17381889 19313210 19471515 22624046 23365818 24831270 25034805 28969815 33936069 34763778 35048727 37246905 38943030 50069610 52145667 56560115 57939630 58414545 67872138 70097454 74493810 79184161 86909445 101808207 104291334 113120230 116829090 158368322 169680345 173818890 175243635 203616414 237552483 260728335 305424621 339360690 350487270 395920805 475104966 509041035 521456670 610849242 712657449 791841610 1018082070 1187762415 1425314898 1527123105 2137972347 2375524830 3054246210 3563287245 4275944694 7126574490 10689861735 21379723470
- Sum of all divisors σ(n): 67855656960
- Sum of proper divisors (its aliquot sum) s(n): 46475933490
- 21379723470 is an abundant number, because the sum of its proper divisors (46475933490) is greater than itself. Its abundance is 25096210020
Bases of 21379723470
- Binary: 100111110100101010010110000110011102
- Hexadecimal: 0x4FA54B0CE
- Base-36: 9TKXO7I
Squares and roots of 21379723470
- 21379723470 squared (213797234702) is 457092575653668840900
- 21379723470 cubed (213797234703) is 9772512867665494309397425923000
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The
square root of 21379723470 is 146218.0682063609 -
The
cube root of 21379723470 is 2775.4539622553
Scales and comparisons
How big is 21379723470?- 21,379,723,470 seconds is equal to 679 years, 42 weeks, 12 hours, 4 minutes, 30 seconds.
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To count from 1 to 21,379,723,470 would take you about one thousand, three hundred fifty-nine 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 21379723470 cubic inches would be around 231.3 feet tall.
Recreational maths with 21379723470
- 21379723470 backwards is 07432797312
- 21379723470 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21379723470's digits is 45
- More coming soon!
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