21431820240
21,431,820,240 is an even composite number composed of six prime numbers multiplied together.
21431820240 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 21431820240:
24 × 33 × 5 × 31 × 101 × 3169
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 31 × 101 × 3169)See below for interesting mathematical facts about the number 21431820240 from the Numbermatics database.
Names of 21431820240
- Cardinal: 21431820240 can be written as Twenty-one billion, four hundred thirty-one million, eight hundred twenty thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.143182024 × 1010
Factors of 21431820240
Divisors of 21431820240
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 36 40 45 48 54 60 62 72 80 90 93 101 108 120 124 135 144 155 180 186 202 216 240 248 270 279 303 310 360 372 404 432 465 496 505 540 558 606 620 720 744 808 837 909 930 1010 1080 1116 1212 1240 1395 1488 1515 1616 1674 1818 1860 2020 2160 2232 2424 2480 2727 2790 3030 3131 3169 3348 3636 3720 4040 4185 4464 4545 4848 5454 5580 6060 6262 6338 6696 7272 7440 8080 8370 9090 9393 9507 10908 11160 12120 12524 12676 13392 13635 14544 15655 15845 16740 18180 18786 19014 21816 22320 24240 25048 25352 27270 28179 28521 31310 31690 33480 36360 37572 38028 43632 46965 47535 50096 50704 54540 56358 57042 62620 63380 66960 72720 75144 76056 84537 85563 93930 95070 98239 109080 112716 114084 125240 126760 140895 142605 150288 152112 169074 171126 187860 190140 196478 218160 225432 228168 250480 253520 281790 285210 294717 320069 338148 342252 375720 380280 392956 422685 427815 450864 456336 491195 563580 570420 589434 640138 676296 684504 751440 760560 785912 845370 855630 884151 960207 982390 1127160 1140840 1178868 1280276 1352592 1369008 1473585 1571824 1600345 1690740 1711260 1768302 1920414 1964780 2254320 2281680 2357736 2560552 2652453 2880621 2947170 3200690 3381480 3422520 3536604 3840828 3929560 4420755 4715472 4801035 5121104 5304906 5761242 5894340 6401380 6762960 6845040 7073208 7681656 7859120 8641863 8841510 9602070 9922139 10609812 11522484 11788680 12802760 13262265 14146416 14403105 15363312 17283726 17683020 19204140 19844278 21219624 23044968 23577360 25605520 26524530 28806210 29766417 34567452 35366040 38408280 39688556 42439248 43209315 46089936 49610695 53049060 57612420 59532834 69134904 70732080 76816560 79377112 86418630 89299251 99221390 106098120 115224840 119065668 138269808 148832085 158754224 172837260 178598502 198442780 212196240 230449680 238131336 267897753 297664170 345674520 357197004 396885560 446496255 476262672 535795506 595328340 691349040 714394008 793771120 892992510 1071591012 1190656680 1339488765 1428788016 1785985020 2143182024 2381313360 2678977530 3571970040 4286364048 5357955060 7143940080 10715910120 21431820240
- Sum of all divisors σ(n): 76980787200
- Sum of proper divisors (its aliquot sum) s(n): 55548966960
- 21431820240 is an abundant number, because the sum of its proper divisors (55548966960) is greater than itself. Its abundance is 34117146720
Bases of 21431820240
- Binary: 100111111010110111110011111110100002
- Hexadecimal: 0x4FD6F9FD0
- Base-36: 9UFYAC0
Squares and roots of 21431820240
- 21431820240 squared (214318202402) is 459322918799673657600
- 21431820240 cubed (214318202403) is 9844126227826722400346509824000
-
The
square root of 21431820240 is 146396.1073252975 -
The
cube root of 21431820240 is 2777.7064843901
Scales and comparisons
How big is 21431820240?- 21,431,820,240 seconds is equal to 681 years, 24 weeks, 1 day, 11 hours, 24 minutes.
-
To count from 1 to 21,431,820,240 would take you about one thousand, three hundred sixty-two 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 21431820240 cubic inches would be around 231.5 feet tall.
Recreational maths with 21431820240
- 21431820240 backwards is 04202813412
- 21431820240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21431820240's digits is 27
- More coming soon!
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