21420008 (number)

21420008 is an even 8-digits composite number following 21420007 and preceding 21420009. In scientific notation, it is written as 2.1420008 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 16 positive divisors. There are 10364400 positive integers (up to 21420008) that are relatively prime to 21420008.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred twenty thousand eight

Notation

Scientific notation 2.1420008 × 10^7
Engineering notation 2.1420008 × 10^6

Prime Factorization of 21420008

Prime Factorization 2 × 2 × 2 × 31 × 86371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5355002
Product of the distinct prime numbers

The prime factorization of 21420008 is 2 × 2 × 2 × 31 × 86371. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 31, 96, 216, 550, 9609, 1728, 18236, 21762, 331287, 400820, 6427382, 859186, 2804754, 99362007, 303265598, 344281189, 3144536598, 3002489575

Basic calculations (n = 21420008)

Multiplication

n×y
n×2 42840016
n×3 64260024
n×4 85680032
n×5 107100040

Division

n÷y
n÷2 10710004
n÷3 7140002.6666667
n÷3 5355002
n÷5 4284001.6

Exponentiation

ny
n2 458816742720064
n3 9.8278582995977E+21
n4 2.1051280340025E+29
n5 4.5091859329358E+36

Nth Root

y√n
2√n 4628.175450434
3√n 277.71960756445
4√n 68.030694913649
5√n 29.252563161549

Divisors of 21420008

1, 2, 4, 8, 31, 62, 124, 248, 86371, 172742, 345484, 690968, 2677501, 5355002, 10710004, 21420008

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 -21420007
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 21420008 can be divided by 16 positive divisors. The sum of these divisors (counting 21420008) is 1, the average is 0.0625.

Base conversion 21420008

Base System Value
2 Binary 1010001101101011111101000
3 Ternary 1111022020201122
4 Quaternary 1101231133220
5 Quinary 20440420013
6 Senary 2043034412
8 Octal 121553750
10 Decimal 21420008
12 Duodecimal 720ba08
16 Hexadecimal 146d7e8
20 Vigesimal 6dha08
36 Base36 cr3s8

Cryptographic Hash Functions

md5 62ce0400288cdfad6ca6a760d7e4fe73
sha1 e0d4fb7fbb668db698f40564e8d517e925f0360d
sha256 7b60e07b407968a574bf7bf4a195021606d17254e25043ce099e1609e74b9c2c
sha512 d0c68f6cd05e39e71b5809fef0a0483884e228b6826c3489b12a54d9c93f2a6be59cb3189b4141686e21124b56c30ad640e82a186b6ea26a4c0ab8fc55b04d96
ripemd-160 3b216dc567ec6634ddef2d42e50103ac8bcdf103

21420008 as geometric shapes

Circle

Radius = n
Diameter 42840016
Circumference 134585879.54527
Area 1.4414153082734E+15

Sphere

Radius = n
Volume 4.1166836579384E+22
Surface area 5.7656612330934E+15
Circumference 134585879.54527

Square

Length = n
Perimeter 85680032
Area 458816742720064
Diagonal 30292465.81974

Cube

Length = n
Surface area 2752900456320384
Volume 9.8278582995977E+21
Space diagonal 37100542.154532

Equilateral Triangle

Length = n
Perimeter 64260024
Area 1.986734774386E+14
Altitude 18550271.077266

Triangular Pyramid

Length = n
Surface area 1.986734774386E+14
Volume 1.158224208031E+21
Height 10097488.60658