21409957 (number)

21409957 is an odd 8-digits composite number following 21409956 and preceding 21409958. In scientific notation, it is written as 2.1409957 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20954380 positive integers (up to 21409957) that are relatively prime to 21409957.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred nine thousand nine hundred fifty-seven

Notation

Scientific notation 2.1409957 × 10^7
Engineering notation 2.1409957 × 10^6

Prime Factorization of 21409957

Prime Factorization 47 × 455531

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21409957
Product of the distinct prime numbers

The prime factorization of 21409957 is 47 × 455531. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21409957)

Multiplication

n×y
n×2 42819914
n×3 64229871
n×4 85639828
n×5 107049785

Division

n÷y
n÷2 10704978.5
n÷3 7136652.3333333
n÷3 5352489.25
n÷5 4281991.4

Exponentiation

ny
n2 458386258741849
n3 9.8140300890539E+21
n4 2.1011796220335E+29
n5 4.4986165357013E+36

Nth Root

y√n
2√n 4627.0894739566
3√n 277.67616225715
4√n 68.022712927056
5√n 29.249817385608

Divisors of 21409957

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 -21409956
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 21409957 can be divided by 4 positive divisors. The sum of these divisors (counting 21409957) is 1, the average is 0.25.

Base conversion 21409957

Base System Value
2 Binary 1010001101011000010100101
3 Ternary 1111021201221101
4 Quaternary 1101223002211
5 Quinary 20440104312
6 Senary 2042520101
8 Octal 121530245
10 Decimal 21409957
12 Duodecimal 7206031
16 Hexadecimal 146b0a5
20 Vigesimal 6dg4hh
36 Base36 cqw11

Cryptographic Hash Functions

md5 c595091913ca6bf719c28c4320930b20
sha1 40d988da565fab9ebcdfb307f68ba9354fd1e8f8
sha256 053bb27458fd7986b0646665b11a772eae3d6c24dcd91f1dac224cf7807ee472
sha512 45f6168d5cd83fc9a978a824726e130f670351a531ec37542a495b719c4da5070a74f26813efef6aa588b61fe0cca2cf931c1c83365fbfdf957b62fce1f33af4
ripemd-160 0f601f1a03e086c2664bc380eeb2c942a54cd25d

21409957 as geometric shapes

Circle

Radius = n
Diameter 42819914
Circumference 134522727.24975
Area 1.4400629029699E+15

Sphere

Radius = n
Volume 4.1108913106508E+22
Surface area 5.7602516118796E+15
Circumference 134522727.24975

Square

Length = n
Perimeter 85639828
Area 458386258741849
Diagonal 30278251.559225

Cube

Length = n
Surface area 2750317552451094
Volume 9.8140300890539E+21
Space diagonal 37083133.311865

Equilateral Triangle

Length = n
Perimeter 64229871
Area 1.9848707240807E+14
Altitude 18541566.655932

Triangular Pyramid

Length = n
Surface area 1.9848707240807E+14
Volume 1.1565945377898E+21
Height 10092750.519742