21089021 (number)

21089021 is an odd 8-digits composite number following 21089020 and preceding 21089022. In scientific notation, it is written as 2.1089021 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20408700 positive integers (up to 21089021) that are relatively prime to 21089021.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-nine thousand twenty-one

Notation

Scientific notation 2.1089021 × 10^7
Engineering notation 2.1089021 × 10^6

Prime Factorization of 21089021

Prime Factorization 31 × 680291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21089021
Product of the distinct prime numbers

The prime factorization of 21089021 is 31 × 680291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21089021)

Multiplication

n×y
n×2 42178042
n×3 63267063
n×4 84356084
n×5 105445105

Division

n÷y
n÷2 10544510.5
n÷3 7029673.6666667
n÷3 5272255.25
n÷5 4217804.2

Exponentiation

ny
n2 444746806738441
n3 9.3792747469899E+21
n4 1.9779972210404E+29
n5 4.1714024932463E+36

Nth Root

y√n
2√n 4592.2784105496
3√n 276.28171281338
4√n 67.766351610144
5√n 29.161595653026

Divisors of 21089021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21089020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21089021 can be divided by 4 positive divisors. The sum of these divisors (counting 21089021) is 1, the average is 0.25.

Base conversion 21089021

Base System Value
2 Binary 1010000011100101011111101
3 Ternary 1110200102200212
4 Quaternary 1100130223331
5 Quinary 20344322041
6 Senary 2032002205
8 Octal 120345375
10 Decimal 21089021
12 Duodecimal 7090365
16 Hexadecimal 141cafd
20 Vigesimal 6bg2b1
36 Base36 ck0e5

Cryptographic Hash Functions

md5 880ac4e21d6cdcdadf06b172725a30be
sha1 1e12ab068b4c2167a8f8951cfe7b3c7193c01aeb
sha256 408f867fa9af296dba05cbfd9657dd22e29721aa8e20959b1e5d29ef129688be
sha512 c6dfae4e310d3905e3a0f65d446c4f5a6aed1ea1b920f6b24017be78609290f621e2a942fdfdb2ae0124ccdc6d6f784dcfe093099f70d2b85eff4d18e0ba4328
ripemd-160 0e73c128a2025538cebd91a03385ffe869f7b339

21089021 as geometric shapes

Circle

Radius = n
Diameter 42178042
Circumference 132506226.89
Area 1.397213300757E+15

Sphere

Radius = n
Volume 3.9287814188192E+22
Surface area 5.588853203028E+15
Circumference 132506226.89

Square

Length = n
Perimeter 84356084
Area 444746806738441
Diagonal 29824379.515371

Cube

Length = n
Surface area 2668480840430646
Volume 9.3792747469899E+21
Space diagonal 36527255.853887

Equilateral Triangle

Length = n
Perimeter 63267063
Area 1.9258101644375E+14
Altitude 18263627.926944

Triangular Pyramid

Length = n
Surface area 1.9258101644375E+14
Volume 1.1053581293681E+21
Height 9941459.838457