81742893120
81,742,893,120 is an even composite number composed of six prime numbers multiplied together.
81742893120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred sixty divisors.
Prime factorization of 81742893120:
26 × 34 × 5 × 7 × 31 × 14533
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 31 × 14533)See below for interesting mathematical facts about the number 81742893120 from the Numbermatics database.
Names of 81742893120
- Cardinal: 81742893120 can be written as Eighty-one billion, seven hundred forty-two million, eight hundred ninety-three thousand, one hundred twenty.
Scientific notation
- Scientific notation: 8.174289312 × 1010
Factors of 81742893120
Divisors of 81742893120
- Number of divisors d(n): 560
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 31 32 35 36 40 42 45 48 54 56 60 62 63 64 70 72 80 81 84 90 93 96 105 108 112 120 124 126 135 140 144 155 160 162 168 180 186 189 192 210 216 217 224 240 248 252 270 279 280 288 310 315 320 324 336 360 372 378 405 420 432 434 448 465 480 496 504 540 558 560 567 576 620 630 648 651 672 720 744 756 810 837 840 864 868 930 945 960 992 1008 1080 1085 1116 1120 1134 1240 1260 1296 1302 1344 1395 1440 1488 1512 1620 1674 1680 1728 1736 1860 1890 1953 1984 2016 2160 2170 2232 2240 2268 2480 2511 2520 2592 2604 2790 2835 2880 2976 3024 3240 3255 3348 3360 3472 3720 3780 3906 4032 4185 4320 4340 4464 4536 4960 5022 5040 5184 5208 5580 5670 5859 5952 6048 6480 6510 6696 6720 6944 7440 7560 7812 8370 8640 8680 8928 9072 9765 9920 10044 10080 10416 11160 11340 11718 12096 12555 12960 13020 13392 13888 14533 14880 15120 15624 16740 17360 17577 17856 18144 19530 20088 20160 20832 22320 22680 23436 25110 25920 26040 26784 29066 29295 29760 30240 31248 33480 34720 35154 36288 39060 40176 41664 43599 44640 45360 46872 50220 52080 53568 58132 58590 60480 62496 66960 69440 70308 72665 78120 80352 87198 87885 89280 90720 93744 100440 101731 104160 116264 117180 124992 130797 133920 140616 145330 156240 160704 174396 175770 181440 187488 200880 203462 208320 217995 232528 234360 261594 267840 281232 290660 305193 312480 348792 351540 374976 392391 401760 406924 435990 450523 465056 468720 508655 523188 562464 581320 610386 624960 653985 697584 703080 784782 803520 813848 871980 901046 915579 930112 937440 1017310 1046376 1124928 1162640 1177173 1220772 1307970 1351569 1395168 1406160 1525965 1569564 1627696 1743960 1802092 1831158 1874880 1961955 2034620 2092752 2252615 2325280 2354346 2441544 2615940 2703138 2746737 2790336 2812320 3051930 3139128 3153661 3255392 3487920 3604184 3662316 3923910 4054707 4069240 4185504 4505230 4577895 4650560 4708692 4883088 5231880 5406276 5493474 5624640 5885865 6103860 6278256 6307322 6510784 6757845 6975840 7208368 7324632 7847820 8109414 8138480 8240211 8371008 9010460 9155790 9417384 9460983 9766176 10463760 10812552 10986948 11771730 12164121 12207720 12556512 12614644 13515690 13733685 13951680 14416736 14649264 15695640 15768305 16218828 16276960 16480422 18020920 18311580 18834768 18921966 19532352 20273535 20927520 21625104 21973896 23543460 24328242 24415440 25113024 25229288 27031380 27467370 28382949 28833472 29298528 31391280 31536610 32437656 32553920 32960844 36041840 36492363 36623160 37669536 37843932 40547070 41201055 41855040 43250208 43947792 47086920 47304915 48656484 48830880 50458576 54062760 54934740 56765898 58597056 60820605 62782560 63073220 64875312 65921688 72083680 72984726 73246320 75339072 75687864 81094140 82402110 85148847 86500416 87895584 94173840 94609830 97312968 97661760 100917152 108125520 109869480 113531796 121641210 125565120 126146440 129750624 131843376 141914745 144167360 145969452 146492640 151375728 162188280 164804220 170297694 175791168 182461815 188347680 189219660 194625936 201834304 216251040 219738960 227063592 243282420 252292880 255446541 259501248 263686752 283829490 291938904 292985280 302751456 324376560 329608440 340595388 364923630 376695360 378439320 389251872 425744235 432502080 439477920 454127184 486564840 504585760 510893082 527373504 567658980 583877808 605502912 648753120 659216880 681190776 729847260 756878640 778503744 851488470 878955840 908254368 973129680 1009171520 1021786164 1135317960 1167755616 1277232705 1297506240 1318433760 1362381552 1459694520 1513757280 1702976940 1816508736 1946259360 2043572328 2270635920 2335511232 2554465410 2636867520 2724763104 2919389040 3027514560 3405953880 3892518720 4087144656 4541271840 5108930820 5449526208 5838778080 6811907760 8174289312 9082543680 10217861640 11677556160 13623815520 16348578624 20435723280 27247631040 40871446560 81742893120
- Sum of all divisors σ(n): 343056350208
- Sum of proper divisors (its aliquot sum) s(n): 261313457088
- 81742893120 is an abundant number, because the sum of its proper divisors (261313457088) is greater than itself. Its abundance is 179570563968
Bases of 81742893120
- Binary: 10011000010000100000110010000010000002
- Hexadecimal: 0x1308419040
- Base-36: 11JVLW00
Squares and roots of 81742893120
- 81742893120 squared (817428931202) is 6681900575627743334400
- 81742893120 cubed (817428931203) is 546197884592005100290651619328000
-
The
square root of 81742893120 is 285907.1407292935 -
The
cube root of 81742893120 is 4339.9360973693
Scales and comparisons
How big is 81742893120?- 81,742,893,120 seconds is equal to 2,599 years, 8 weeks, 6 days, 7 hours, 12 minutes.
-
To count from 1 to 81,742,893,120 would take you about five thousand, one hundred ninety-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 81742893120 cubic inches would be around 361.7 feet tall.
Recreational maths with 81742893120
- 81742893120 backwards is 02139824718
- 81742893120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81742893120's digits is 45
- More coming soon!
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