18107729920
18,107,729,920 is an even composite number composed of six prime numbers multiplied together.
18107729920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 18107729920:
211 × 5 × 7 × 29 × 31 × 281
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 29 × 31 × 281)See below for interesting mathematical facts about the number 18107729920 from the Numbermatics database.
Names of 18107729920
- Cardinal: 18107729920 can be written as Eighteen billion, one hundred seven million, seven hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.810772992 × 1010
Factors of 18107729920
Divisors of 18107729920
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 29 31 32 35 40 56 58 62 64 70 80 112 116 124 128 140 145 155 160 203 217 224 232 248 256 280 281 290 310 320 406 434 448 464 496 512 560 562 580 620 640 812 868 896 899 928 992 1015 1024 1085 1120 1124 1160 1240 1280 1405 1624 1736 1792 1798 1856 1967 1984 2030 2048 2170 2240 2248 2320 2480 2560 2810 3248 3472 3584 3596 3712 3934 3968 4060 4340 4480 4495 4496 4640 4960 5120 5620 6293 6496 6944 7168 7192 7424 7868 7936 8120 8149 8680 8711 8960 8990 8992 9280 9835 9920 10240 11240 12586 12992 13888 14336 14384 14848 15736 15872 16240 16298 17360 17422 17920 17980 17984 18560 19670 19840 22480 25172 25984 27776 28768 29696 31465 31472 31744 32480 32596 34720 34844 35840 35960 35968 37120 39340 39680 40745 43555 44960 50344 51968 55552 57043 57536 59392 60977 62930 62944 63488 64960 65192 69440 69688 71680 71920 71936 74240 78680 79360 81490 87110 89920 100688 103936 111104 114086 115072 121954 125860 125888 129920 130384 138880 139376 143840 143872 148480 157360 158720 162980 174220 179840 201376 207872 222208 228172 230144 243908 251720 251776 252619 259840 260768 277760 278752 285215 287680 287744 296960 304885 314720 317440 325960 348440 359680 402752 415744 444416 456344 460288 487816 503440 503552 505238 519680 521536 555520 557504 570430 575360 575488 609770 629440 651920 696880 719360 805504 912688 920576 975632 1006880 1007104 1010476 1039360 1043072 1111040 1115008 1140860 1150720 1219540 1258880 1263095 1303840 1393760 1438720 1611008 1768333 1825376 1841152 1951264 2013760 2014208 2020952 2078720 2086144 2222080 2230016 2281720 2301440 2439080 2517760 2526190 2607680 2787520 2877440 3222016 3536666 3650752 3902528 4027520 4028416 4041904 4172288 4460032 4563440 4602880 4878160 5035520 5052380 5215360 5575040 6444032 7073332 7301504 7805056 8055040 8083808 8344576 8841665 8920064 9126880 9205760 9756320 10071040 10104760 10430720 11150080 12888064 14146664 14603008 15610112 16110080 16167616 16689152 17683330 17840128 18253760 19512640 20142080 20209520 20861440 22300160 28293328 29206016 31220224 32220160 32335232 35366660 36507520 39025280 40419040 41722880 44600320 56586656 58412032 62440448 64440320 64670464 70733320 73015040 78050560 80838080 83445760 89200640 113173312 116824064 124880896 129340928 141466640 146030080 156101120 161676160 226346624 258681856 282933280 292060160 312202240 323352320 452693248 517363712 565866560 584120320 624404480 646704640 905386496 1131733120 1293409280 1810772992 2263466240 2586818560 3621545984 4526932480 9053864960 18107729920
- Sum of all divisors σ(n): 53212723200
- Sum of proper divisors (its aliquot sum) s(n): 35104993280
- 18107729920 is an abundant number, because the sum of its proper divisors (35104993280) is greater than itself. Its abundance is 16997263360
Bases of 18107729920
- Binary: 100001101110100111000001000000000002
- Hexadecimal: 0x4374E0800
- Base-36: 8BGVHTS
Squares and roots of 18107729920
- 18107729920 squared (181077299202) is 327889882855663206400
- 18107729920 cubed (181077299203) is 5937341442250787683972415488000
-
The
square root of 18107729920 is 134564.9654256263 -
The
cube root of 18107729920 is 2625.9593733509
Scales and comparisons
How big is 18107729920?- 18,107,729,920 seconds is equal to 575 years, 40 weeks, 4 hours, 58 minutes, 40 seconds.
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To count from 1 to 18,107,729,920 would take you about one thousand, one hundred fifty-one 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 18107729920 cubic inches would be around 218.8 feet tall.
Recreational maths with 18107729920
- 18107729920 backwards is 02992770181
- The number of decimal digits it has is: 11
- The sum of 18107729920's digits is 46
- More coming soon!
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