18389621 (number)

18389621 is an odd 8-digits prime number following 18389620 and preceding 18389622. In scientific notation, it is written as 1.8389621 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 18389620 positive integers (up to 18389621) that are relatively prime to 18389621.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand six hundred twenty-one

Notation

Scientific notation 1.8389621 × 10^7
Engineering notation 1.8389621 × 10^6

Prime Factorization of 18389621

Prime Factorization 18389621

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18389621
Product of the distinct prime numbers

The prime factorization of 18389621 is 18389621. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389621)

Multiplication

n×y
n×2 36779242
n×3 55168863
n×4 73558484
n×5 91948105

Division

n÷y
n÷2 9194810.5
n÷3 6129873.6666667
n÷3 4597405.25
n÷5 3677924.2

Exponentiation

ny
n2 338178160523641
n3 6.2189682025069E+21
n4 1.1436446825515E+29
n5 2.1031192270788E+36

Nth Root

y√n
2√n 4288.3121388257
3√n 263.95157609702
4√n 65.485205495789
5√n 28.373607436466

Divisors of 18389621

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18389622
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9194811
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4288.3122554217
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999891243
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389621 can be divided by 2 positive divisors. The sum of these divisors (counting 18389621) is 18389622, the average is 9194811.

Base conversion 18389621

Base System Value
2 Binary 1000110001001101001110101
3 Ternary 1021121021211002
4 Quaternary 1012021221311
5 Quinary 14201431441
6 Senary 1454053045
8 Octal 106115165
10 Decimal 18389621
12 Duodecimal 61aa185
16 Hexadecimal 1189a75
20 Vigesimal 5eie11
36 Base36 ay5it

Cryptographic Hash Functions

md5 5d91391e4536cac3821bc55a3ea409e1
sha1 985d3ed2acfff489d453a66f2b79f95124545ce2
sha256 0c4247cf542524bd16d9554eb42beb97a83e06186aa1e1c58f95a776eb6cf667
sha512 e870f1d77171891af21852d990667dedf8fd5b989a304cc7ed012aedc70ce946b92c082228f40fbe77d66af24d234877cfef48c5405f1b3c35171e3794f3f72e
ripemd-160 c1e03f481319f9ed92ffc039003a9827fb3654a0

18389621 as geometric shapes

Circle

Radius = n
Diameter 36779242
Circumference 115545396.4718
Area 1.0624180247056E+15

Sphere

Radius = n
Volume 2.6049953090539E+22
Surface area 4.2496720988223E+15
Circumference 115545396.4718

Square

Length = n
Perimeter 73558484
Area 338178160523641
Diagonal 26006851.425101

Cube

Length = n
Surface area 2029068963141846
Volume 6.2189682025069E+21
Space diagonal 31851757.903936

Equilateral Triangle

Length = n
Perimeter 55168863
Area 1.4643543900928E+14
Altitude 15925878.951968

Triangular Pyramid

Length = n
Surface area 1.4643543900928E+14
Volume 7.3291243132936E+20
Height 8668950.4750337