21059891 (number)

21059891 is an odd 8-digits composite number following 21059890 and preceding 21059892. In scientific notation, it is written as 2.1059891 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20952792 positive integers (up to 21059891) that are relatively prime to 21059891.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-nine thousand eight hundred ninety-one

Notation

Scientific notation 2.1059891 × 10^7
Engineering notation 2.1059891 × 10^6

Prime Factorization of 21059891

Prime Factorization 197 × 106903

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21059891
Product of the distinct prime numbers

The prime factorization of 21059891 is 197 × 106903. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21059891)

Multiplication

n×y
n×2 42119782
n×3 63179673
n×4 84239564
n×5 105299455

Division

n÷y
n÷2 10529945.5
n÷3 7019963.6666667
n÷3 5264972.75
n÷5 4211978.2

Exponentiation

ny
n2 443519008931881
n3 9.3404619845334E+21
n4 1.9670911128392E+29
n5 4.1426724423462E+36

Nth Root

y√n
2√n 4589.1056862966
3√n 276.15444604403
4√n 67.742938276226
5√n 29.153535089004

Divisors of 21059891

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 -21059890
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 21059891 can be divided by 4 positive divisors. The sum of these divisors (counting 21059891) is 1, the average is 0.25.

Base conversion 21059891

Base System Value
2 Binary 1010000010101100100110011
3 Ternary 1110121221201222
4 Quaternary 1100111210303
5 Quinary 20342404031
6 Senary 2031215255
8 Octal 120254463
10 Decimal 21059891
12 Duodecimal 707752b
16 Hexadecimal 1415933
20 Vigesimal 6bc9eb
36 Base36 cjdwz

Cryptographic Hash Functions

md5 494e3e6e99a992e665f4dbf3cb4376e1
sha1 a295cfe05ba6cc5ed53b043633e8798225061a1f
sha256 89e59bf7e4c1286d9b34da3c31f97ba2705479b235082cfae6b6e2ddc52b0abb
sha512 d700d44831f3a2af171896522a1f7c76b66455c1c2d61fd581a70f246e04a87a004419fc3ac902b6f4f63b3cc6a457cd7f5e091b188e72593281068139f908c9
ripemd-160 6d9f3f3fc4c6a6ec6cc83928f8ceed9e30b31a10

21059891 as geometric shapes

Circle

Radius = n
Diameter 42119782
Circumference 132323197.702
Area 1.3933560601878E+15

Sphere

Radius = n
Volume 3.9125235668993E+22
Surface area 5.5734242407513E+15
Circumference 132323197.702

Square

Length = n
Perimeter 84239564
Area 443519008931881
Diagonal 29783183.474299

Cube

Length = n
Surface area 2661114053591286
Volume 9.3404619845334E+21
Space diagonal 36476801.213863

Equilateral Triangle

Length = n
Perimeter 63179673
Area 1.9204936439815E+14
Altitude 18238400.606931

Triangular Pyramid

Length = n
Surface area 1.9204936439815E+14
Volume 1.1007840014465E+21
Height 9927727.8247664