21125897 (number)

21125897 is an odd 8-digits composite number following 21125896 and preceding 21125898. In scientific notation, it is written as 2.1125897 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 19445328 positive integers (up to 21125897) that are relatively prime to 21125897.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1125897 × 10^7
Engineering notation 2.1125897 × 10^6

Prime Factorization of 21125897

Prime Factorization 13 × 383 × 4243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21125897
Product of the distinct prime numbers

The prime factorization of 21125897 is 13 × 383 × 4243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 47, 66, 278, 534, 1048, 127, 7954, 84893, 645565, 232776, 9331134, 5207856, 2056514, 53918480, 9977492, 910834152, 8193416174, 6661879551

Basic calculations (n = 21125897)

Multiplication

n×y
n×2 42251794
n×3 63377691
n×4 84503588
n×5 105629485

Division

n÷y
n÷2 10562948.5
n÷3 7041965.6666667
n÷3 5281474.25
n÷5 4225179.4

Exponentiation

ny
n2 446303524054609
n3 9.4285622799147E+21
n4 1.9918683558356E+29
n5 4.2080005722943E+36

Nth Root

y√n
2√n 4596.2916574125
3√n 276.44265329997
4√n 67.795956055008
5√n 29.171786848178

Divisors of 21125897

1, 13, 383, 4243, 4979, 55159, 1625069, 21125897

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 -21125896
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 21125897 can be divided by 8 positive divisors. The sum of these divisors (counting 21125897) is 1, the average is 0.125.

Base conversion 21125897

Base System Value
2 Binary 1010000100101101100001001
3 Ternary 1110202022021122
4 Quaternary 1100211230021
5 Quinary 20402012042
6 Senary 2032445025
8 Octal 120455411
10 Decimal 21125897
12 Duodecimal 70a9775
16 Hexadecimal 1425b09
20 Vigesimal 6c0eeh
36 Base36 cksuh

Cryptographic Hash Functions

md5 798b9efc7acb783fe740b40833b5bad1
sha1 6c4a2cb10e475e0be1c31b7e3f259221c50ced4e
sha256 975235149e961018b204b721eae778af32ad3b43092a3079f00b94d7d3f82508
sha512 618500813e6c2812a771c197e969917de2a1d0747fe2b10d1f6ba63533382ee6d2650012a6191d283b441b9f7f232f62fa07bf9100de9e06696f27bc7b7fad99
ripemd-160 e4c7360c088557b49c4a8088d09bff196ad98d34

21125897 as geometric shapes

Circle

Radius = n
Diameter 42251794
Circumference 132737925.63139
Area 1.4021038724412E+15

Sphere

Radius = n
Volume 3.9494269323325E+22
Surface area 5.6084154897648E+15
Circumference 132737925.63139

Square

Length = n
Perimeter 84503588
Area 446303524054609
Diagonal 29876530.054697

Cube

Length = n
Surface area 2677821144327654
Volume 9.4285622799147E+21
Space diagonal 36591126.959467

Equilateral Triangle

Length = n
Perimeter 63377691
Area 1.9325509481491E+14
Altitude 18295563.479733

Triangular Pyramid

Length = n
Surface area 1.9325509481491E+14
Volume 1.1111667208279E+21
Height 9958843.3515657