18984881 (number)

18984881 is an odd 8-digits prime number following 18984880 and preceding 18984882. In scientific notation, it is written as 1.8984881 × 10^7. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 18984880 positive integers (up to 18984881) that are relatively prime to 18984881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8984881 × 10^7
Engineering notation 1.8984881 × 10^6

Prime Factorization of 18984881

Prime Factorization 18984881

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18984881
Product of the distinct prime numbers

The prime factorization of 18984881 is 18984881. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18984881)

Multiplication

n×y
n×2 37969762
n×3 56954643
n×4 75939524
n×5 94924405

Division

n÷y
n÷2 9492440.5
n÷3 6328293.6666667
n÷3 4746220.25
n÷5 3796976.2

Exponentiation

ny
n2 360425706584161
n3 6.8426391488412E+21
n4 1.2990668996669E+29
n5 2.4662630501215E+36

Nth Root

y√n
2√n 4357.1643301579
3√n 266.76936790691
4√n 66.008820093665
5√n 28.554961296224

Divisors of 18984881

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18984882
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9492441
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4357.1644449114
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999894653
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18984881 can be divided by 2 positive divisors. The sum of these divisors (counting 18984881) is 18984882, the average is 9492441.

Base conversion 18984881

Base System Value
2 Binary 1001000011010111110110001
3 Ternary 1022201112100202
4 Quaternary 1020122332301
5 Quinary 14330004011
6 Senary 1514524545
8 Octal 110327661
10 Decimal 18984881
12 Duodecimal 6436755
16 Hexadecimal 121afb1
20 Vigesimal 5id241
36 Base36 bawtt

Cryptographic Hash Functions

md5 bd1bba33f952c5fa38eed8e14de99877
sha1 a17602be671735dcd9cb65617c410dd550401532
sha256 7c0da7b7365eca22867bec895f6b7e3e87516e67087ef3658e14c11d00164056
sha512 76737ecfb1476f2117ab890c7d21e05abb6d1765cd0accd0c46f81d652f88e8e6b524d988862e7ff9135ca5d36a8ee6fcd9e3e2e86deb931ade74df983c1fb50
ripemd-160 f17866dbe66ec6ab4fee3e4b4fd97b539f67df0a

18984881 as geometric shapes

Circle

Radius = n
Diameter 37969762
Circumference 119285525.35775
Area 1.1323107519697E+15

Sphere

Radius = n
Volume 2.8662379841554E+22
Surface area 4.5292430078788E+15
Circumference 119285525.35775

Square

Length = n
Perimeter 75939524
Area 360425706584161
Diagonal 26848676.190239

Cube

Length = n
Surface area 2162554239504966
Volume 6.8426391488412E+21
Space diagonal 32882778.467649

Equilateral Triangle

Length = n
Perimeter 56954643
Area 1.5606890903942E+14
Altitude 16441389.233825

Triangular Pyramid

Length = n
Surface area 1.5606890903942E+14
Volume 8.0641275722636E+20
Height 8949558.7300798