18982021 (number)

18982021 is an odd 8-digits prime number following 18982020 and preceding 18982022. In scientific notation, it is written as 1.8982021 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 18982020 positive integers (up to 18982021) that are relatively prime to 18982021.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-two thousand twenty-one

Notation

Scientific notation 1.8982021 × 10^7
Engineering notation 1.8982021 × 10^6

Prime Factorization of 18982021

Prime Factorization 18982021

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18982021
Product of the distinct prime numbers

The prime factorization of 18982021 is 18982021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18982021)

Multiplication

n×y
n×2 37964042
n×3 56946063
n×4 75928084
n×5 94910105

Division

n÷y
n÷2 9491010.5
n÷3 6327340.3333333
n÷3 4745505.25
n÷5 3796404.2

Exponentiation

ny
n2 360317121244441
n3 6.8395471621215E+21
n4 1.2982842786188E+29
n5 2.4644059440712E+36

Nth Root

y√n
2√n 4356.8361226927
3√n 266.7559713045
4√n 66.006333958891
5√n 28.554100905149

Divisors of 18982021

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18982022
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9491011
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4356.8362374549
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998946371
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18982021 can be divided by 2 positive divisors. The sum of these divisors (counting 18982021) is 18982022, the average is 9491011.

Base conversion 18982021

Base System Value
2 Binary 1001000011010010010000101
3 Ternary 1022201101102211
4 Quaternary 1020122102011
5 Quinary 14324411041
6 Senary 1514503421
8 Octal 110322205
10 Decimal 18982021
12 Duodecimal 6434b71
16 Hexadecimal 121a485
20 Vigesimal 5icf11
36 Base36 baumd

Cryptographic Hash Functions

md5 351d69dd536021cc976980562ab2b267
sha1 047244b387e92aacca66fc78a4f7ef8076335f49
sha256 aac7b26d7011a2cb66e455ff76e6f13f054be729e6d3becabd40ecbf0a27584c
sha512 4913f78d2cb48da4e350d0b88e81e944c7daf3b1a407c73d04d33f6715890776aca60f9f1e5f41bfa274e1d0585683c4a9c27acd4cd094fdb104e97d7ea44c0d
ripemd-160 ae9cbc17d7c8d13c1650f1b0ef5dc1164fc51050

18982021 as geometric shapes

Circle

Radius = n
Diameter 37964042
Circumference 119267555.44777
Area 1.1319696210642E+15

Sphere

Radius = n
Volume 2.8649428157869E+22
Surface area 4.5278784842566E+15
Circumference 119267555.44777

Square

Length = n
Perimeter 75928084
Area 360317121244441
Diagonal 26844631.539451

Cube

Length = n
Surface area 2161902727466646
Volume 6.8395471621215E+21
Space diagonal 32877824.802339

Equilateral Triangle

Length = n
Perimeter 56946063
Area 1.5602189020808E+14
Altitude 16438912.40117

Triangular Pyramid

Length = n
Surface area 1.5602189020808E+14
Volume 8.0604836309689E+20
Height 8948210.5131503