21125847 (number)

21125847 is an odd 8-digits composite number following 21125846 and preceding 21125848. In scientific notation, it is written as 2.1125847 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14083896 positive integers (up to 21125847) that are relatively prime to 21125847.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-five thousand eight hundred forty-seven

Notation

Scientific notation 2.1125847 × 10^7
Engineering notation 2.1125847 × 10^6

Prime Factorization of 21125847

Prime Factorization 3 × 7041949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21125847
Product of the distinct prime numbers

The prime factorization of 21125847 is 3 × 7041949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 4, 25, 689, 340, 9108, 6371, 537, 70921, 848961, 582164, 3873121, 5441037, 57951832, 94033261, 259195184, 540293918, 4073962195, 4400048214

Basic calculations (n = 21125847)

Multiplication

n×y
n×2 42251694
n×3 63377541
n×4 84503388
n×5 105629235

Division

n÷y
n÷2 10562923.5
n÷3 7041949
n÷3 5281461.75
n÷5 4225169.4

Exponentiation

ny
n2 446301411467409
n3 9.4284953345445E+21
n4 1.991849498778E+29
n5 4.2079507758211E+36

Nth Root

y√n
2√n 4596.2862182419
3√n 276.44243520835
4√n 67.795915940725
5√n 29.171773039621

Divisors of 21125847

1, 3, 7041949, 21125847

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 -21125846
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 21125847 can be divided by 4 positive divisors. The sum of these divisors (counting 21125847) is 1, the average is 0.25.

Base conversion 21125847

Base System Value
2 Binary 1010000100101101011010111
3 Ternary 1110202022012210
4 Quaternary 1100211223113
5 Quinary 20402011342
6 Senary 2032444503
8 Octal 120455327
10 Decimal 21125847
12 Duodecimal 70a9733
16 Hexadecimal 1425ad7
20 Vigesimal 6c0ec7
36 Base36 ckst3

Cryptographic Hash Functions

md5 7a532b9137a05ed04ef6653321c55a0a
sha1 63166bd0b0d71e40f47020c2ddd50409f7356c71
sha256 ea2e9768eeaf4923cca92dc215145dc837134b714260ca91c3363a1b67181115
sha512 cea81576a078940a10dd9f590b0c0ffb53e6e9743dbea38ea4844c5f146f3092a5667bbee91182b57dc48f9a5cd49406d7d52878242d5a311e79579fbf659e06
ripemd-160 2756ef963757e9e7ff3601dcbc25c605c1f67949

21125847 as geometric shapes

Circle

Radius = n
Diameter 42251694
Circumference 132737611.47212
Area 1.4020972355528E+15

Sphere

Radius = n
Volume 3.9493988903214E+22
Surface area 5.6083889422111E+15
Circumference 132737611.47212

Square

Length = n
Perimeter 84503388
Area 446301411467409
Diagonal 29876459.344019

Cube

Length = n
Surface area 2677808468804454
Volume 9.4284953345445E+21
Space diagonal 36591040.356927

Equilateral Triangle

Length = n
Perimeter 63377541
Area 1.9325418003781E+14
Altitude 18295520.178463

Triangular Pyramid

Length = n
Surface area 1.9325418003781E+14
Volume 1.1111588312404E+21
Height 9958819.7813397