81835934040
81,835,934,040 is an even composite number composed of seven prime numbers multiplied together.
81835934040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 81835934040:
23 × 33 × 5 × 7 × 29 × 31 × 12041
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 29 × 31 × 12041)See below for interesting mathematical facts about the number 81835934040 from the Numbermatics database.
Names of 81835934040
- Cardinal: 81835934040 can be written as Eighty-one billion, eight hundred thirty-five million, nine hundred thirty-four thousand and forty.
Scientific notation
- Scientific notation: 8.183593404 × 1010
Factors of 81835934040
Divisors of 81835934040
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 29 30 31 35 36 40 42 45 54 56 58 60 62 63 70 72 84 87 90 93 105 108 116 120 124 126 135 140 145 155 168 174 180 186 189 203 210 216 217 232 248 252 261 270 279 280 290 310 315 348 360 372 378 406 420 434 435 465 504 522 540 558 580 609 620 630 651 696 744 756 783 812 837 840 868 870 899 930 945 1015 1044 1080 1085 1116 1160 1218 1240 1260 1302 1305 1395 1512 1566 1624 1674 1736 1740 1798 1827 1860 1890 1953 2030 2088 2170 2232 2436 2520 2604 2610 2697 2790 3045 3132 3255 3348 3480 3596 3654 3720 3780 3906 3915 4060 4185 4340 4495 4872 5208 5220 5394 5481 5580 5859 6090 6264 6293 6510 6696 7192 7308 7560 7812 7830 8091 8120 8370 8680 8990 9135 9765 10440 10788 10962 11160 11718 12041 12180 12586 13020 13485 14616 15624 15660 16182 16740 17980 18270 18879 19530 21576 21924 23436 24082 24273 24360 25172 26040 26970 27405 29295 31320 31465 32364 33480 35960 36123 36540 37758 39060 40455 43848 46872 48164 48546 50344 53940 54810 56637 58590 60205 62930 64728 72246 73080 75516 78120 80910 84287 94395 96328 97092 107880 108369 109620 113274 117180 120410 121365 125860 144492 151032 161820 168574 169911 180615 188790 194184 216738 219240 226548 234360 240820 242730 251720 252861 283185 288984 323640 325107 337148 339822 349189 361230 373271 377580 421435 433476 453096 481640 485460 505722 541845 566370 650214 674296 679644 698378 722460 746542 755160 758583 842870 849555 866952 970920 1011444 1047567 1083690 1119813 1132740 1264305 1300428 1359288 1396756 1444920 1493084 1517166 1625535 1685740 1699110 1745945 1866355 2022888 2095134 2167380 2239626 2265480 2275749 2444323 2528610 2600856 2612897 2793512 2986168 3034332 3142701 3251070 3359439 3371480 3398220 3491890 3732710 3792915 4190268 4334760 4479252 4551498 4888646 5057220 5225794 5237835 5599065 6068664 6285402 6502140 6718878 6796440 6983780 7332969 7465420 7585830 7838691 8380536 8958504 9102996 9428103 9777292 10078317 10114440 10451588 10475670 10824859 11198130 11378745 12221615 12570804 13004280 13064485 13437756 13967560 14665938 14930840 15171660 15677382 15713505 16797195 18205992 18856206 19554584 20156634 20903176 20951340 21649718 21998907 22396260 22757490 23516073 24443230 25141608 26128970 26875512 29331876 30343320 31354764 31427010 32474577 33594390 36664845 37712412 39193455 40313268 41902680 43299436 43997814 44792520 45514980 47032146 47140515 48886460 50391585 52257940 54124295 58663752 62709528 62854020 64949154 65996721 67188780 70548219 73329690 75424824 75774013 78386910 80626536 86598872 87995628 91029960 94064292 94281030 97423731 97772920 100783170 104515880 108248590 109994535 117580365 125708040 129898308 131993442 134377560 141096438 146659380 151548026 156773820 162372885 175991256 188128584 188562060 194847462 201566340 216497180 219989070 227322039 235160730 259796616 263986884 282192876 292271193 293318760 303096052 313547640 324745770 329983605 352741095 377124120 378870065 389694924 403132680 432994360 439978140 454644078 470321460 487118655 527973768 564385752 584542386 606192104 649491540 659967210 681966117 705482190 757740130 779389848 879956280 909288156 940642920 974237310 1136610195 1169084772 1298983080 1319934420 1363932234 1410964380 1461355965 1515480260 1818576312 1948474620 2045898351 2273220390 2338169544 2639868840 2727864468 2821928760 2922711930 3030960520 3409830585 3896949240 4091796702 4546440780 5455728936 5845423860 6819661170 8183593404 9092881560 10229491755 11690847720 13639322340 16367186808 20458983510 27278644680 40917967020 81835934040
- Sum of all divisors σ(n): 332937216000
- Sum of proper divisors (its aliquot sum) s(n): 251101281960
- 81835934040 is an abundant number, because the sum of its proper divisors (251101281960) is greater than itself. Its abundance is 169265347920
Bases of 81835934040
- Binary: 10011000011011100110101000001010110002
- Hexadecimal: 0x130DCD4158
- Base-36: 11LF02U0
Squares and roots of 81835934040
- 81835934040 squared (818359340402) is 6697120100199230721600
- 81835934040 cubed (818359340403) is 548065078777862436191599203264000
-
The
square root of 81835934040 is 286069.8062361703 -
The
cube root of 81835934040 is 4341.5820653071
Scales and comparisons
How big is 81835934040?- 81,835,934,040 seconds is equal to 2,602 years, 6 weeks, 5 days, 3 hours, 54 minutes.
-
To count from 1 to 81,835,934,040 would take you about five thousand, two hundred four 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 81835934040 cubic inches would be around 361.8 feet tall.
Recreational maths with 81835934040
- 81835934040 backwards is 04043953818
- 81835934040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81835934040's digits is 45
- More coming soon!
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