82686621420
82,686,621,420 is an even composite number composed of seven prime numbers multiplied together.
82686621420 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 82686621420:
22 × 33 × 5 × 13 × 101 × 139 × 839
(2 × 2 × 3 × 3 × 3 × 5 × 13 × 101 × 139 × 839)See below for interesting mathematical facts about the number 82686621420 from the Numbermatics database.
Names of 82686621420
- Cardinal: 82686621420 can be written as Eighty-two billion, six hundred eighty-six million, six hundred twenty-one thousand, four hundred twenty.
Scientific notation
- Scientific notation: 8.268662142 × 1010
Factors of 82686621420
Divisors of 82686621420
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 101 108 117 130 135 139 156 180 195 202 234 260 270 278 303 351 390 404 417 468 505 540 556 585 606 695 702 780 834 839 909 1010 1170 1212 1251 1313 1390 1404 1515 1668 1678 1755 1807 1818 2020 2085 2340 2502 2517 2626 2727 2780 3030 3356 3510 3614 3636 3753 3939 4170 4195 4545 5004 5034 5252 5421 5454 6060 6255 6565 7020 7228 7506 7551 7878 8340 8390 9035 9090 10068 10842 10907 10908 11817 12510 12585 13130 13635 14039 15012 15102 15756 16263 16780 18070 18180 18765 19695 21684 21814 22653 23634 25020 25170 26260 27105 27270 28078 30204 32526 32721 35451 36140 37530 37755 39390 42117 43628 45306 47268 48789 50340 54210 54535 54540 56156 59085 65052 65442 70195 70902 75060 75510 78780 81315 84234 84739 90612 97578 98163 108420 109070 113265 116621 118170 126351 130884 140390 141804 151020 162630 163605 168468 169478 177255 182507 195156 196326 210585 218140 226530 233242 236340 243945 252702 254217 280780 294489 325260 327210 338956 349863 354510 365014 379053 392652 421170 423695 453060 466484 487890 490815 505404 508434 547521 583105 588978 631755 654420 699726 709020 730028 758106 762651 842340 847390 912535 975780 981630 1016868 1049589 1095042 1101607 1166210 1177956 1263510 1271085 1399452 1472445 1516073 1516212 1525302 1642563 1694780 1749315 1825070 1895265 1963260 2099178 2190084 2203214 2287953 2332420 2527020 2542170 2737605 2944890 3032146 3050604 3148767 3285126 3304821 3498630 3650140 3790530 3813255 4198356 4406428 4548219 4575906 4927689 5084340 5247945 5475210 5508035 5889780 6064292 6297534 6570252 6609642 6997260 7580365 7581060 7626510 8212815 9096438 9151812 9855378 9914463 10495890 10950420 11016070 11439765 11778721 12595068 13219284 13644657 15160730 15253020 15743835 16425630 16524105 18192876 19710756 19828926 20991780 22032140 22741095 22879530 23557442 24638445 27289314 29743389 30321460 31487670 32851260 33048210 35336163 39657852 40933971 45482190 45759060 47114884 49276890 49572315 54578628 58893605 59486778 62975340 66096420 68223285 70672326 81867942 90964380 98553780 99144630 106008489 117787210 118973556 136446570 141344652 148716945 153123373 163735884 176680815 198289260 204669855 212016978 235574420 272893140 297433890 306246746 318025467 353361630 409339710 424033956 459370119 530042445 594867780 612493492 636050934 706723260 765616865 818679420 918740238 1060084890 1272101868 1378110357 1531233730 1590127335 1837480476 2120169780 2296850595 2756220714 3062467460 3180254670 4134331071 4593701190 5512441428 6360509340 6890551785 8268662142 9187402380 13781103570 16537324284 20671655355 27562207140 41343310710 82686621420
- Sum of all divisors σ(n): 282127104000
- Sum of proper divisors (its aliquot sum) s(n): 199440482580
- 82686621420 is an abundant number, because the sum of its proper divisors (199440482580) is greater than itself. Its abundance is 116753861160
Bases of 82686621420
- Binary: 10011010000001000000110110110111011002
- Hexadecimal: 0x134081B6EC
- Base-36: 11ZHH9F0
Squares and roots of 82686621420
- 82686621420 squared (826866214202) is 6837077361854402816400
- 82686621420 cubed (826866214203) is 565334827438907354839848567288000
-
The
square root of 82686621420 is 287552.8150096953 -
The
cube root of 82686621420 is 4356.5738700865
Scales and comparisons
How big is 82686621420?- 82,686,621,420 seconds is equal to 2,629 years, 9 weeks, 2 days, 1 hour, 57 minutes.
-
To count from 1 to 82,686,621,420 would take you about five thousand, two hundred fifty-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 82686621420 cubic inches would be around 363 feet tall.
Recreational maths with 82686621420
- 82686621420 backwards is 02412668628
- 82686621420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 82686621420's digits is 45
- More coming soon!
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