21354961 (number)

21354961 is an odd 8-digits composite number following 21354960 and preceding 21354962. In scientific notation, it is written as 2.1354961 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 20783952 positive integers (up to 21354961) that are relatively prime to 21354961.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-four thousand nine hundred sixty-one

Notation

Scientific notation 2.1354961 × 10^7
Engineering notation 2.1354961 × 10^6

Prime Factorization of 21354961

Prime Factorization 43 × 1423 × 349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21354961
Product of the distinct prime numbers

The prime factorization of 21354961 is 43 × 1423 × 349. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21354961)

Multiplication

n×y
n×2 42709922
n×3 64064883
n×4 85419844
n×5 106774805

Division

n÷y
n÷2 10677480.5
n÷3 7118320.3333333
n÷3 5338740.25
n÷5 4270992.2

Exponentiation

ny
n2 456034359311521
n3 9.7385959577575E+21
n4 2.0796733687267E+29
n5 4.4411343681897E+36

Nth Root

y√n
2√n 4621.1428240209
3√n 277.43820175158
4√n 67.978988106774
5√n 29.234775054191

Divisors of 21354961

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21354960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21354961 can be divided by 8 positive divisors. The sum of these divisors (counting 21354961) is 1, the average is 0.125.

Base conversion 21354961

Base System Value
2 Binary 1010001011101100111010001
3 Ternary 1111011221111111
4 Quaternary 1101131213101
5 Quinary 20431324321
6 Senary 2041413321
8 Octal 121354721
10 Decimal 21354961
12 Duodecimal 719a241
16 Hexadecimal 145d9d1
20 Vigesimal 6d9781
36 Base36 cppld

Cryptographic Hash Functions

md5 a636d55615d878c91ea7a6e47a14068f
sha1 3f14cb43b1d4d422fce2515da40b578b19782e57
sha256 6ab40eab16547252b5a7410964971c9c43f28d5a0cf40a65cd3aa8f0d8cd494f
sha512 e3963c22747e32c877b79a11898c9620d0b26c2682cc02f03e6e5c2e9b2e6659889b8fe1d43b41e78c908b46a09c51df2e522d09cf3da73c3f142fe3dd42a717
ripemd-160 003caa0b1c96a1288e6c98b01bf45b1aae8deb1e

21354961 as geometric shapes

Circle

Radius = n
Diameter 42709922
Circumference 134177177.19059
Area 1.4326741929976E+15

Sphere

Radius = n
Volume 4.0792935356227E+22
Surface area 5.7306967719904E+15
Circumference 134177177.19059

Square

Length = n
Perimeter 85419844
Area 456034359311521
Diagonal 30200475.470149

Cube

Length = n
Surface area 2736206155869126
Volume 9.7385959577575E+21
Space diagonal 36987877.445652

Equilateral Triangle

Length = n
Perimeter 64064883
Area 1.9746867008117E+14
Altitude 18493938.722826

Triangular Pyramid

Length = n
Surface area 1.9746867008117E+14
Volume 1.147704540161E+21
Height 10066825.156716