21090907 (number)

21090907 is an odd 8-digits composite number following 21090906 and preceding 21090908. In scientific notation, it is written as 2.1090907 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20733376 positive integers (up to 21090907) that are relatively prime to 21090907.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand nine hundred seven

Notation

Scientific notation 2.1090907 × 10^7
Engineering notation 2.1090907 × 10^6

Prime Factorization of 21090907

Prime Factorization 59 × 357473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21090907
Product of the distinct prime numbers

The prime factorization of 21090907 is 59 × 357473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21090907)

Multiplication

n×y
n×2 42181814
n×3 63272721
n×4 84363628
n×5 105454535

Division

n÷y
n÷2 10545453.5
n÷3 7030302.3333333
n÷3 5272726.75
n÷5 4218181.4

Exponentiation

ny
n2 444826358082649
n3 9.3817913494698E+21
n4 1.9787048884507E+29
n5 4.173268078276E+36

Nth Root

y√n
2√n 4592.4837506517
3√n 276.28994856439
4√n 67.767866652653
5√n 29.162117221116

Divisors of 21090907

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 -21090906
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 21090907 can be divided by 4 positive divisors. The sum of these divisors (counting 21090907) is 1, the average is 0.25.

Base conversion 21090907

Base System Value
2 Binary 1010000011101001001011011
3 Ternary 1110200112021201
4 Quaternary 1100131021123
5 Quinary 20344402112
6 Senary 2032015031
8 Octal 120351133
10 Decimal 21090907
12 Duodecimal 7091477
16 Hexadecimal 141d25b
20 Vigesimal 6bg757
36 Base36 ck1uj

Cryptographic Hash Functions

md5 0053544d1a27f8f6b605238ab013d21b
sha1 df1cdbe27ea0595f0c752acb4d403c2b3852fc62
sha256 853a0874942b9ee824b8b01c9c0dba8986244960f51c50427792a744cf077f64
sha512 7242d057c53f8d73a28ae460cf4b21eb9bdb2e49817d958452bd3e3275c5e84f28bad81cccf081f32c4cd037cbfb6647e404ec0ca60be23c4401b422b2e3b4e8
ripemd-160 324aac0317d523cabd15ffc75c023bfd04a216c3

21090907 as geometric shapes

Circle

Radius = n
Diameter 42181814
Circumference 132518076.97749
Area 1.3974632186756E+15

Sphere

Radius = n
Volume 3.9298355708009E+22
Surface area 5.5898528747022E+15
Circumference 132518076.97749

Square

Length = n
Perimeter 84363628
Area 444826358082649
Diagonal 29827046.72215

Cube

Length = n
Surface area 2668958148495894
Volume 9.3817913494698E+21
Space diagonal 36530522.50171

Equilateral Triangle

Length = n
Perimeter 63272721
Area 1.9261546318624E+14
Altitude 18265261.250855

Triangular Pyramid

Length = n
Surface area 1.9261546318624E+14
Volume 1.1056547138146E+21
Height 9942348.9073832