18215980 (number)

18215980 is an even 8-digits composite number following 18215979 and preceding 18215981. In scientific notation, it is written as 1.8215980 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 7286384 positive integers (up to 18215980) that are relatively prime to 18215980.

Interesting facts

Basic properties

Name

Name eighteen million two hundred fifteen thousand nine hundred eighty

Notation

Scientific notation 1.8215980 × 10^7
Engineering notation 1.8215980 × 10^6

Prime Factorization of 18215980

Prime Factorization 2 × 2 × 5 × 910799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9107990
Product of the distinct prime numbers

The prime factorization of 18215980 is 2 × 2 × 5 × 910799. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 79, 42, 705, 127, 2342, 8260, 82662, 94211, 836799, 579761, 7171823, 306402, 28362035, 64333066, 45070903, 527289369, 9944143138, 4980364056

Basic calculations (n = 18215980)

Multiplication

n×y
n×2 36431960
n×3 54647940
n×4 72863920
n×5 91079900

Division

n÷y
n÷2 9107990
n÷3 6071993.3333333
n÷3 4553995
n÷5 3643196

Exponentiation

ny
n2 331821927360400
n3 6.0444615923585E+21
n4 1.1010579147717E+29
n5 2.0056848954323E+36

Nth Root

y√n
2√n 4268.0182754998
3√n 263.11817422953
4√n 65.330071754895
5√n 28.319821271127

Divisors of 18215980

1, 2, 4, 5, 10, 20, 910799, 1821598, 3643196, 4553995, 9107990, 18215980

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18215979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18215980 can be divided by 12 positive divisors. The sum of these divisors (counting 18215980) is 1, the average is 0.083333333333333.

Base conversion 18215980

Base System Value
2 Binary 1000101011111010000101100
3 Ternary 1021021110121221
4 Quaternary 1011133100230
5 Quinary 14130402410
6 Senary 1450233124
8 Octal 105372054
10 Decimal 18215980
12 Duodecimal 61257a4
16 Hexadecimal 115f42c
20 Vigesimal 5dgjj0
36 Base36 aufjg

Cryptographic Hash Functions

md5 7802e4eb424ed43298ff7f135f71f130
sha1 4a1747993c2a79d910e7842be2c4c3f3c2995b30
sha256 fdb653486bceee7367b429af0f0897e1caf50734a4e98a19b22a64d25caf728b
sha512 6a6d0f49e19668f77254ed272de7324d3f3faccbe22794ee3c37f4f24f1152631772f039e4677b12d74dacbc8fce05e6ae4da30b7271cf3258bfbd84824dafbd
ripemd-160 355cf8ed2cbc358cfe6fbf2356343d75d71f5f0a

18215980 as geometric shapes

Circle

Radius = n
Diameter 36431960
Circumference 114454377.89188
Area 1.0424493292954E+15

Sphere

Radius = n
Volume 2.5318981511279E+22
Surface area 4.1697973171818E+15
Circumference 114454377.89188

Square

Length = n
Perimeter 72863920
Area 331821927360400
Diagonal 25761285.967917

Cube

Length = n
Surface area 1990931564162400
Volume 6.0444615923585E+21
Space diagonal 31551002.869659

Equilateral Triangle

Length = n
Perimeter 54647940
Area 1.4368310931341E+14
Altitude 15775501.434829

Triangular Pyramid

Length = n
Surface area 1.4368310931341E+14
Volume 7.1234663009639E+20
Height 8587095.322639