13218618420
13,218,618,420 is an even composite number composed of seven prime numbers multiplied together.
13218618420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 13218618420:
22 × 34 × 5 × 7 × 23 × 59 × 859
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 23 × 59 × 859)See below for interesting mathematical facts about the number 13218618420 from the Numbermatics database.
Names of 13218618420
- Cardinal: 13218618420 can be written as Thirteen billion, two hundred eighteen million, six hundred eighteen thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.321861842 × 1010
Factors of 13218618420
Divisors of 13218618420
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 27 28 30 35 36 42 45 46 54 59 60 63 69 70 81 84 90 92 105 108 115 118 126 135 138 140 161 162 177 180 189 207 210 230 236 252 270 276 295 315 322 324 345 354 378 405 413 414 420 460 483 531 540 567 590 621 630 644 690 708 756 805 810 826 828 859 885 945 966 1035 1062 1134 1180 1239 1242 1260 1357 1380 1449 1593 1610 1620 1652 1718 1770 1863 1890 1932 2065 2070 2124 2268 2415 2478 2484 2577 2655 2714 2835 2898 3105 3186 3220 3436 3540 3717 3726 3780 4071 4130 4140 4295 4347 4779 4830 4956 5154 5310 5428 5670 5796 6013 6195 6210 6372 6785 7245 7434 7452 7731 7965 8142 8260 8590 8694 9315 9499 9558 9660 10308 10620 11151 11340 12026 12213 12390 12420 12885 13041 13570 14490 14868 15462 15930 16284 17180 17388 18039 18585 18630 18998 19116 19757 20355 21735 22302 23193 23895 24052 24426 24780 25770 26082 27140 28497 28980 30065 30924 31860 33453 36078 36639 37170 37260 37996 38655 39514 40710 43470 44604 46386 47495 47790 48852 50681 51540 52164 54117 55755 56994 59271 60130 61065 65205 66906 69579 72156 73278 74340 77310 79028 81420 85491 86940 90195 92772 94990 95580 98785 101362 108234 109917 111510 113988 115965 118542 120260 122130 130410 133812 138299 139158 142485 146556 152043 154620 162351 167265 170982 177813 180390 183195 189980 197570 202724 216468 219834 223020 231930 237084 244260 253405 256473 260820 270585 276598 278316 284970 296355 304086 324702 334530 341964 347895 354767 355626 360780 366390 395140 414897 427455 439668 456129 463860 487053 506810 512946 533439 541170 549585 553196 569940 592710 608172 649404 669060 691495 695790 709534 711252 732780 760215 769419 811755 829794 854910 889065 912258 974106 1013620 1025892 1064301 1066878 1082340 1099170 1165663 1185420 1244691 1282365 1368387 1382990 1391580 1419068 1520430 1538838 1600317 1623510 1659588 1709820 1773835 1778130 1824516 1948212 2074485 2128602 2133756 2198340 2280645 2331326 2435265 2489382 2564730 2667195 2736774 2765980 3040860 3077676 3192903 3200634 3247020 3496989 3547670 3556260 3734073 3847095 4105161 4148970 4257204 4561290 4662652 4870530 4978764 5129460 5321505 5334390 5473548 5828315 6223455 6385806 6401268 6841935 6993978 7095340 7468146 7694190 8001585 8159641 8210322 8297940 9122580 9578709 9741060 10490967 10643010 10668780 11202219 11656630 12446910 12771612 13683870 13987956 14936292 15388380 15964515 16003170 16319282 16420644 17484945 18670365 19157418 20525805 20981934 21286020 22404438 23313260 24478923 24893820 27367740 28736127 31472901 31929030 32006340 32638564 34969890 37340730 38314836 40798205 41051610 41963868 44808876 47893545 48957846 52454835 56011095 57472254 62945802 63858060 69939780 73436769 74681460 81596410 82103220 94418703 95787090 97915692 104909670 112022190 114944508 122394615 125891604 143680635 146873538 157364505 163192820 188837406 191574180 209819340 220310307 224044380 244789230 287361270 293747076 314729010 367183845 377674812 440620614 472093515 489578460 574722540 629458020 660930921 734367690 881241228 944187030 1101551535 1321861842 1468735380 1888374060 2203103070 2643723684 3304654605 4406206140 6609309210 13218618420
- Sum of all divisors σ(n): 50348390400
- Sum of proper divisors (its aliquot sum) s(n): 37129771980
- 13218618420 is an abundant number, because the sum of its proper divisors (37129771980) is greater than itself. Its abundance is 23911153560
Bases of 13218618420
- Binary: 11000100111110010000011100001101002
- Hexadecimal: 0x313E41C34
- Base-36: 62M0V90
Squares and roots of 13218618420
- 13218618420 squared (132186184202) is 174731872933563296400
- 13218618420 cubed (132186184203) is 2309713954120699226028959688000
-
The
square root of 13218618420 is 114972.2506520595 -
The
cube root of 13218618420 is 2364.4421278755
Scales and comparisons
How big is 13218618420?- 13,218,618,420 seconds is equal to 420 years, 16 weeks, 1 day, 6 hours, 27 minutes.
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To count from 1 to 13,218,618,420 would take you about eight hundred forty 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 13218618420 cubic inches would be around 197 feet tall.
Recreational maths with 13218618420
- 13218618420 backwards is 02481681231
- 13218618420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 13218618420's digits is 36
- More coming soon!
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