21494888 (number)

21494888 is an even 8-digits composite number following 21494887 and preceding 21494889. In scientific notation, it is written as 2.1494888 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 8 positive divisors. There are 10747440 positive integers (up to 21494888) that are relatively prime to 21494888.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred eighty-eight

Notation

Scientific notation 2.1494888 × 10^7
Engineering notation 2.1494888 × 10^6

Prime Factorization of 21494888

Prime Factorization 2 × 2 × 2 × 2686861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5373722
Product of the distinct prime numbers

The prime factorization of 21494888 is 2 × 2 × 2 × 2686861. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 30, 47, 916, 379, 8253, 6380, 75980, 12485, 532577, 459002, 2893521, 6159414, 42610266, 24146668, 682580075, 227206417, 8497723815, 1309658214

Basic calculations (n = 21494888)

Multiplication

n×y
n×2 42989776
n×3 64484664
n×4 85979552
n×5 107474440

Division

n÷y
n÷2 10747444
n÷3 7164962.6666667
n÷3 5373722
n÷5 4298977.6

Exponentiation

ny
n2 462030210132544
n3 9.9312876194155E+21
n4 2.1347191507512E+29
n5 4.5885549056853E+36

Nth Root

y√n
2√n 4636.2579738405
3√n 278.04284832011
4√n 68.090072505767
5√n 29.272986827274

Divisors of 21494888

1, 2, 4, 8, 2686861, 5373722, 10747444, 21494888

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 -21494887
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 21494888 can be divided by 8 positive divisors. The sum of these divisors (counting 21494888) is 1, the average is 0.125.

Base conversion 21494888

Base System Value
2 Binary 1010001111111110001101000
3 Ternary 1111110001102222
4 Quaternary 1101333301220
5 Quinary 21000314023
6 Senary 2044413212
8 Octal 121776150
10 Decimal 21494888
12 Duodecimal 7247208
16 Hexadecimal 147fc68
20 Vigesimal 6e6h48
36 Base36 cspk8

Cryptographic Hash Functions

md5 214827a48354fd21daac3d1e8737fb85
sha1 c36efa3effebe5cf0a6b66909d49d6540e180fcf
sha256 cc4d2004404daa7830e4e22718897671b262bb4ced634662297822405100f9d1
sha512 4bd546a1470b907e4b268104fd733625716d286ba824dab77507f0d5f703fe096b151448b2f0c5632df2e69cd16dda44d98a7ec3e4fbf9dcba22f221786f0811
ripemd-160 5eb281d58d879ef8f7fce48e0307ce0644843c24

21494888 as geometric shapes

Circle

Radius = n
Diameter 42989776
Circumference 135056364.46107
Area 1.4515107138889E+15

Sphere

Radius = n
Volume 4.1600080301124E+22
Surface area 5.8060428555558E+15
Circumference 135056364.46107

Square

Length = n
Perimeter 85979552
Area 462030210132544
Diagonal 30398362.131291

Cube

Length = n
Surface area 2772181260795264
Volume 9.9312876194155E+21
Space diagonal 37230238.119003

Equilateral Triangle

Length = n
Perimeter 64484664
Area 2.0006494964532E+14
Altitude 18615119.059501

Triangular Pyramid

Length = n
Surface area 2.0006494964532E+14
Volume 1.1704134702671E+21
Height 10132787.377097