21297761 (number)

21297761 is an odd 8-digits composite number following 21297760 and preceding 21297762. In scientific notation, it is written as 2.1297761 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20936724 positive integers (up to 21297761) that are relatively prime to 21297761.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-seven thousand seven hundred sixty-one

Notation

Scientific notation 2.1297761 × 10^7
Engineering notation 2.1297761 × 10^6

Prime Factorization of 21297761

Prime Factorization 59 × 360979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21297761
Product of the distinct prime numbers

The prime factorization of 21297761 is 59 × 360979. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21297761)

Multiplication

n×y
n×2 42595522
n×3 63893283
n×4 85191044
n×5 106488805

Division

n÷y
n÷2 10648880.5
n÷3 7099253.6666667
n÷3 5324440.25
n÷5 4259552.2

Exponentiation

ny
n2 453594623613121
n3 9.6605498845972E+21
n4 2.0574808257073E+29
n5 4.3819734887996E+36

Nth Root

y√n
2√n 4614.9497288703
3√n 277.19027099001
4√n 67.933421295194
5√n 29.219096976696

Divisors of 21297761

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 -21297760
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 21297761 can be divided by 4 positive divisors. The sum of these divisors (counting 21297761) is 1, the average is 0.25.

Base conversion 21297761

Base System Value
2 Binary 1010001001111101001100001
3 Ternary 1111002001000222
4 Quaternary 1101033221201
5 Quinary 20423012021
6 Senary 2040252425
8 Octal 121175141
10 Decimal 21297761
12 Duodecimal 7171115
16 Hexadecimal 144fa61
20 Vigesimal 6d2481
36 Base36 cohgh

Cryptographic Hash Functions

md5 b3a577b92d4d67e50e09083983ceeb0a
sha1 0ebd147387e31d69411fea929ced1a7a1c000414
sha256 1390fa2b41e02b2a4584de969e3da7528cd34cbade7c0f7e6e3f548f8e487b02
sha512 225c54a902bce70875605c83f1b0d97dbbaedfa06971c64a3cc7331a5609dd4d34d0eb4d136c60de18c73c495c3fea650060060093bd57efdf5efd4d603107ab
ripemd-160 88cbb4ca290cce55a69bdc45010d6f291e94e331

21297761 as geometric shapes

Circle

Radius = n
Diameter 42595522
Circumference 133817778.99102
Area 1.4250095372508E+15

Sphere

Radius = n
Volume 4.0466016729451E+22
Surface area 5.7000381490032E+15
Circumference 133817778.99102

Square

Length = n
Perimeter 85191044
Area 453594623613121
Diagonal 30119582.454381

Cube

Length = n
Surface area 2721567741678726
Volume 9.6605498845972E+21
Space diagonal 36888804.139459

Equilateral Triangle

Length = n
Perimeter 63893283
Area 1.964122335345E+14
Altitude 18444402.069729

Triangular Pyramid

Length = n
Surface area 1.964122335345E+14
Volume 1.1385067222316E+21
Height 10039860.818127