21276978 (number)

21276978 is an even 8-digits composite number following 21276977 and preceding 21276979. In scientific notation, it is written as 2.1276978 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6783920 positive integers (up to 21276978) that are relatively prime to 21276978.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-six thousand nine hundred seventy-eight

Notation

Scientific notation 2.1276978 × 10^7
Engineering notation 2.1276978 × 10^6

Prime Factorization of 21276978

Prime Factorization 2 × 3 × 23 × 154181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21276978
Product of the distinct prime numbers

The prime factorization of 21276978 is 2 × 3 × 23 × 154181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 27, 45, 46, 106, 1662, 576, 41219, 75310, 835929, 349066, 3723948, 1935776, 34467155, 36131528, 638957297, 546526789, 2778338686, 21777924

Basic calculations (n = 21276978)

Multiplication

n×y
n×2 42553956
n×3 63830934
n×4 85107912
n×5 106384890

Division

n÷y
n÷2 10638489
n÷3 7092326
n÷3 5319244.5
n÷5 4255395.6

Exponentiation

ny
n2 452709792812484
n3 9.6322963020558E+21
n4 2.0494615650832E+29
n5 4.3606348632121E+36

Nth Root

y√n
2√n 4612.6974754475
3√n 277.10007809309
4√n 67.916842354806
5√n 29.213392173598

Divisors of 21276978

1, 2, 3, 6, 23, 46, 69, 138, 154181, 308362, 462543, 925086, 3546163, 7092326, 10638489, 21276978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21276977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21276978 can be divided by 16 positive divisors. The sum of these divisors (counting 21276978) is 1, the average is 0.0625.

Base conversion 21276978

Base System Value
2 Binary 1010001001010100100110010
3 Ternary 1111000222112020
4 Quaternary 1101022210302
5 Quinary 20421330403
6 Senary 2040012310
8 Octal 121124462
10 Decimal 21276978
12 Duodecimal 7161096
16 Hexadecimal 144a932
20 Vigesimal 6cjc8i
36 Base36 co1f6

Cryptographic Hash Functions

md5 a40639aeabdf2da1dee50e06ffca22a9
sha1 1a1025791094de79d8c783b97795db8af85a67a6
sha256 df641dfa159ca947f2cf51d6359f248ac97203a531236a21a98883b18ec21c00
sha512 80c0d1ae7a5f0de3e88b257603e63db4470b4935bd3e293499e5ce6f10da0998685028337e23f3a2516a2a0b5b3f41f706d21affb1c32c24b66b5151d2c84e30
ripemd-160 e027bcdead8e0dd001271257448bb88916dcc2d8

21276978 as geometric shapes

Circle

Radius = n
Diameter 42553956
Circumference 133687195.55078
Area 1.4222297593079E+15

Sphere

Radius = n
Volume 4.0347668399651E+22
Surface area 5.6889190372314E+15
Circumference 133687195.55078

Square

Length = n
Perimeter 85107912
Area 452709792812484
Diagonal 30090190.853914

Cube

Length = n
Surface area 2716258756874904
Volume 9.6322963020558E+21
Space diagonal 36852806.927525

Equilateral Triangle

Length = n
Perimeter 63830934
Area 1.960290905588E+14
Altitude 18426403.463763

Triangular Pyramid

Length = n
Surface area 1.960290905588E+14
Volume 1.135177005597E+21
Height 10030063.617971