18156985 (number)

18156985 is an odd 8-digits composite number following 18156984 and preceding 18156986. In scientific notation, it is written as 1.8156985 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 11318400 positive integers (up to 18156985) that are relatively prime to 18156985.

Interesting facts

Basic properties

Name

Name eighteen million one hundred fifty-six thousand nine hundred eighty-five

Notation

Scientific notation 1.8156985 × 10^7
Engineering notation 1.8156985 × 10^6

Prime Factorization of 18156985

Prime Factorization 7 × 55 × 47161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18156985
Product of the distinct prime numbers

The prime factorization of 18156985 is 7 × 55 × 47161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 100, 88, 468, 786, 9957, 9690, 60755, 29958, 519221, 331371, 7090090, 3560629, 28204472, 94252596, 519483877, 537841072, 2094811624, 4463051545

Basic calculations (n = 18156985)

Multiplication

n×y
n×2 36313970
n×3 54470955
n×4 72627940
n×5 90784925

Division

n÷y
n÷2 9078492.5
n÷3 6052328.3333333
n÷3 4539246.25
n÷5 3631397

Exponentiation

ny
n2 329676104290225
n3 5.9859240804561E+21
n4 1.0868633373998E+29
n5 1.9734161314218E+36

Nth Root

y√n
2√n 4261.1013834454
3√n 262.83381869231
4√n 65.277112248056
5√n 28.301453920861

Divisors of 18156985

1, 7, 55, 385, 47161, 330127, 2593855, 18156985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18156984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18156985 can be divided by 8 positive divisors. The sum of these divisors (counting 18156985) is 1, the average is 0.125.

Base conversion 18156985

Base System Value
2 Binary 1000101010000110110111001
3 Ternary 1021011110200221
4 Quaternary 1011100312321
5 Quinary 14122010420
6 Senary 1445100041
8 Octal 105206671
10 Decimal 18156985
12 Duodecimal 60b7621
16 Hexadecimal 1150db9
20 Vigesimal 5d9c95
36 Base36 at60p

Cryptographic Hash Functions

md5 cae57b8fd0412b89f064c311cad995b2
sha1 b11e1f77014906ec3f7cf44b9f6744e769977ba8
sha256 38fa2eeb5280e14cf51fd1333ccb0ea0098142d6849f2d8f256d8f09d0221788
sha512 53a0ccb882a7a2ab148eb139f29ae1ce891e98956a49c2d00e02c883879a2ece68860113fa610c1a05262402737c8d7ff6769220d590b23a4b6c19192ea2c7cd
ripemd-160 e407b951f5a2cc14b94576f6166103f7c82d3820

18156985 as geometric shapes

Circle

Radius = n
Diameter 36313970
Circumference 114083701.37468
Area 1.0357080273023E+15

Sphere

Radius = n
Volume 2.5073780154809E+22
Surface area 4.1428321092091E+15
Circumference 114083701.37468

Square

Length = n
Perimeter 72627940
Area 329676104290225
Diagonal 25677854.438805

Cube

Length = n
Surface area 1978056625741350
Volume 5.9859240804561E+21
Space diagonal 31448820.532266

Equilateral Triangle

Length = n
Perimeter 54470955
Area 1.4275394066801E+14
Altitude 15724410.266133

Triangular Pyramid

Length = n
Surface area 1.4275394066801E+14
Volume 7.0544791815972E+20
Height 8559284.812935