21298857 (number)

21298857 is an odd 8-digits composite number following 21298856 and preceding 21298858. In scientific notation, it is written as 2.1298857 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 13939200 positive integers (up to 21298857) that are relatively prime to 21298857.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-eight thousand eight hundred fifty-seven

Notation

Scientific notation 2.1298857 × 10^7
Engineering notation 2.1298857 × 10^6

Prime Factorization of 21298857

Prime Factorization 3 × 241 × 89 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21298857
Product of the distinct prime numbers

The prime factorization of 21298857 is 3 × 241 × 89 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 83, 18, 725, 296, 5700, 5344, 38934, 36331, 258204, 909331, 393282, 3207632, 6268702, 40781756, 116161676, 883109498, 3484778471, 3366522540

Basic calculations (n = 21298857)

Multiplication

n×y
n×2 42597714
n×3 63896571
n×4 85195428
n×5 106494285

Division

n÷y
n÷2 10649428.5
n÷3 7099619
n÷3 5324714.25
n÷5 4259771.4

Exponentiation

ny
n2 453641309506449
n3 9.6620413804706E+21
n4 2.0579043769073E+29
n5 4.3831011043422E+36

Nth Root

y√n
2√n 4615.0684718647
3√n 277.19502572027
4√n 67.934295255524
5√n 29.219397698177

Divisors of 21298857

1, 3, 89, 241, 267, 331, 723, 993, 21449, 29459, 64347, 79771, 88377, 239313, 7099619, 21298857

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 -21298856
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 21298857 can be divided by 16 positive divisors. The sum of these divisors (counting 21298857) is 1, the average is 0.0625.

Base conversion 21298857

Base System Value
2 Binary 1010001001111111010101001
3 Ternary 1111002002112120
4 Quaternary 1101033322221
5 Quinary 20423030412
6 Senary 2040301453
8 Octal 121177251
10 Decimal 21298857
12 Duodecimal 7171889
16 Hexadecimal 144fea9
20 Vigesimal 6d272h
36 Base36 coiax

Cryptographic Hash Functions

md5 72fcf1042e7a6eb6c6d04b7f47032c41
sha1 33a156b0f60b561cae28a5cc0f487747a7184b79
sha256 6d50f1f9fc8969ad7643816aa72ace1a9f0d04cedd377e6add9db1193c0eb7e7
sha512 1611a5956361adcb5240c1a78eee8a0d980b1a4db2816c78c8cb1f056c32c5a86128835e94c8be73b433f3010a3326886cf6746b0a7fbe46e012610e265e346f
ripemd-160 ca0bdf44c6d4418a9d5636dfa7e98c8bea5bc730

21298857 as geometric shapes

Circle

Radius = n
Diameter 42597714
Circumference 133824665.36212
Area 1.4251562053103E+15

Sphere

Radius = n
Volume 4.0472264292756E+22
Surface area 5.7006248212413E+15
Circumference 133824665.36212

Square

Length = n
Perimeter 85195428
Area 453641309506449
Diagonal 30121132.432445

Cube

Length = n
Surface area 2721847857038694
Volume 9.6620413804706E+21
Space diagonal 36890702.467144

Equilateral Triangle

Length = n
Perimeter 63896571
Area 1.9643244911931E+14
Altitude 18445351.233572

Triangular Pyramid

Length = n
Surface area 1.9643244911931E+14
Volume 1.138682496706E+21
Height 10040377.477482