18480981 (number)

18480981 is an odd 8-digits composite number following 18480980 and preceding 18480982. In scientific notation, it is written as 1.8480981 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 12200832 positive integers (up to 18480981) that are relatively prime to 18480981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8480981 × 10^7
Engineering notation 1.8480981 × 10^6

Prime Factorization of 18480981

Prime Factorization 3 × 103 × 59809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18480981
Product of the distinct prime numbers

The prime factorization of 18480981 is 3 × 103 × 59809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18480981)

Multiplication

n×y
n×2 36961962
n×3 55442943
n×4 73923924
n×5 92404905

Division

n÷y
n÷2 9240490.5
n÷3 6160327
n÷3 4620245.25
n÷5 3696196.2

Exponentiation

ny
n2 341546658722361
n3 6.3121173104614E+21
n4 1.1665412008441E+29
n5 2.1558825768517E+36

Nth Root

y√n
2√n 4298.951151153
3√n 264.38795978475
4√n 65.5663873578
5√n 28.401743707588

Divisors of 18480981

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 -18480980
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 18480981 can be divided by 8 positive divisors. The sum of these divisors (counting 18480981) is 1, the average is 0.125.

Base conversion 18480981

Base System Value
2 Binary 1000110011111111101010101
3 Ternary 1021202221010210
4 Quaternary 1012133331111
5 Quinary 14212342411
6 Senary 1500040033
8 Octal 106377525
10 Decimal 18480981
12 Duodecimal 6233019
16 Hexadecimal 119ff55
20 Vigesimal 5fa291
36 Base36 b040l

Cryptographic Hash Functions

md5 2b58632b273e2b0c30812fc4f8d4d05b
sha1 d7629ecaa174832986cc305611a846a4d92ce017
sha256 1a4c26c92976e3cb2b09f8f0af135a47d2192ecdf07d4575b746da9f081f7b3a
sha512 51fb711dffaa4b95d5491b43499ce573c64cc92a522c65e38c49b92d2641bb50244a65f3d98632ced04a7212a78517d3c1b09933c8c25a0990a983326c1329d8
ripemd-160 1d4caa32e2380f2f4bdc2a9ae90dd68b5a4aa1b9

18480981 as geometric shapes

Circle

Radius = n
Diameter 36961962
Circumference 116119428.28147
Area 1.0730004739003E+15

Sphere

Radius = n
Volume 2.6440135161523E+22
Surface area 4.2920018956012E+15
Circumference 116119428.28147

Square

Length = n
Perimeter 73923924
Area 341546658722361
Diagonal 26136053.976159

Cube

Length = n
Surface area 2049279952334166
Volume 6.3121173104614E+21
Space diagonal 32009998.065715

Equilateral Triangle

Length = n
Perimeter 55442943
Area 1.4789404151563E+14
Altitude 16004999.032858

Triangular Pyramid

Length = n
Surface area 1.4789404151563E+14
Volume 7.4389015897871E+20
Height 8712017.9920532