18179980 (number)

18179980 is an even 8-digits composite number following 18179979 and preceding 18179981. In scientific notation, it is written as 1.8179980 × 10^7. The sum of its digits is 43. It has a total of 7 prime factors and 72 positive divisors. There are 5749632 positive integers (up to 18179980) that are relatively prime to 18179980.

Interesting facts

Basic properties

Name

Name eighteen million one hundred seventy-nine thousand nine hundred eighty

Notation

Scientific notation 1.8179980 × 10^7
Engineering notation 1.8179980 × 10^6

Prime Factorization of 18179980

Prime Factorization 2 × 2 × 5 × 13 × 7 × 7 × 1427

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1298570
Product of the distinct prime numbers

The prime factorization of 18179980 is 2 × 2 × 5 × 13 × 7 × 7 × 1427. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 4, 87, 66, 871, 565, 676, 5107, 74301, 14446, 529561, 272977, 7035986, 523751, 27906655, 66155230, 464274710, 805763501, 6614647965, 1029813503

Basic calculations (n = 18179980)

Multiplication

n×y
n×2 36359960
n×3 54539940
n×4 72719920
n×5 90899900

Division

n÷y
n÷2 9089990
n÷3 6059993.3333333
n÷3 4544995
n÷5 3635996

Exponentiation

ny
n2 330511672800400
n3 6.0086956012778E+21
n4 1.0923796585732E+29
n5 1.9859440345267E+36

Nth Root

y√n
2√n 4263.7987757398
3√n 262.94472759832
4√n 65.29777006713
5√n 28.308618794366

Divisors of 18179980

1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1427, 1820, 2548, 2854, 3185, 5708, 6370, 7135, 9989, 12740, 14270, 18551, 19978, 28540, 37102, 39956, 49945, 69923, 74204, 92755, 99890, 129857, 139846, 185510, 199780, 259714, 279692, 349615, 371020, 519428, 649285, 699230, 908999, 1298570, 1398460, 1817998, 2597140, 3635996, 4544995, 9089990, 18179980

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18179979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18179980 can be divided by 72 positive divisors. The sum of these divisors (counting 18179980) is 1, the average is 0.013888888888889.

Base conversion 18179980

Base System Value
2 Binary 1000101010110011110001100
3 Ternary 1021012122020121
4 Quaternary 1011112132030
5 Quinary 14123224410
6 Senary 1445354324
8 Octal 105263614
10 Decimal 18179980
12 Duodecimal 61089a4
16 Hexadecimal 115678c
20 Vigesimal 5dc9j0
36 Base36 atnrg

Cryptographic Hash Functions

md5 2c2cd656736beca7f3bdddad1cf307c5
sha1 aea952bc56fdc3b1d12db9f4d94ac61f274447f2
sha256 628ba79d8f5ba9e4891c048e01afb1eaef8d47f5aeea0d85cdb4f279cdbb7068
sha512 b2da975814e13d4425a747593f695a3ba28a08a3067e306afbea0d0f53694a2bb26428fb59df00c2f128fbd4fcfb1c11aefebeb916e19b4f6d932a4d31558f01
ripemd-160 3ef8e43a3fa9774aa95ebd5a1c5c673a19d10dc4

18179980 as geometric shapes

Circle

Radius = n
Diameter 36359960
Circumference 114228183.22082
Area 1.0383330431954E+15

Sphere

Radius = n
Volume 2.5169165278176E+22
Surface area 4.1533321727816E+15
Circumference 114228183.22082

Square

Length = n
Perimeter 72719920
Area 330511672800400
Diagonal 25710374.279672

Cube

Length = n
Surface area 1983070036802400
Volume 6.0086956012778E+21
Space diagonal 31488649.040586

Equilateral Triangle

Length = n
Perimeter 54539940
Area 1.4311575244622E+14
Altitude 15744324.520293

Triangular Pyramid

Length = n
Surface area 1.4311575244622E+14
Volume 7.0813156762489E+20
Height 8570124.7598905