21291250 (number)

21291250 is an even 8-digits composite number following 21291249 and preceding 21291251. In scientific notation, it is written as 2.1291250 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 20 positive divisors. There are 8516000 positive integers (up to 21291250) that are relatively prime to 21291250.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1291250 × 10^7
Engineering notation 2.1291250 × 10^6

Prime Factorization of 21291250

Prime Factorization 2 × 5 × 25 × 5 × 17033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4258250
Product of the distinct prime numbers

The prime factorization of 21291250 is 2 × 5 × 25 × 5 × 17033. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 38, 13, 585, 637, 283, 9626, 747, 97368, 743744, 174692, 4409276, 9085252, 88204991, 49659517, 163710264, 741826029, 3541212667, 2352181943

Basic calculations (n = 21291250)

Multiplication

n×y
n×2 42582500
n×3 63873750
n×4 85165000
n×5 106456250

Division

n÷y
n÷2 10645625
n÷3 7097083.3333333
n÷3 5322812.5
n÷5 4258250

Exponentiation

ny
n2 453317326562500
n3 9.6516925291738E+21
n4 2.0549659856177E+29
n5 4.3752794541283E+36

Nth Root

y√n
2√n 4614.2442501454
3√n 277.16202123172
4√n 67.928228669276
5√n 29.217310227292

Divisors of 21291250

1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 17033, 34066, 85165, 170330, 425825, 851650, 2129125, 4258250, 10645625, 21291250

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291249
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291250 can be divided by 20 positive divisors. The sum of these divisors (counting 21291250) is 1, the average is 0.05.

Base conversion 21291250

Base System Value
2 Binary 1010001001110000011110010
3 Ternary 1111001201002211
4 Quaternary 1101032003302
5 Quinary 20422310000
6 Senary 2040202334
8 Octal 121160362
10 Decimal 21291250
12 Duodecimal 71693aa
16 Hexadecimal 144e0f2
20 Vigesimal 6d182a
36 Base36 cocfm

Cryptographic Hash Functions

md5 540a7288c06f9ee84a9df1ffcc3fda31
sha1 e01f121b4984756344040871b4b96cd7dfb6b90e
sha256 3fc0245583de619ad1686688dd18d9b09eeaa42296d75ccc8d5af3596e51e466
sha512 fb6a02262386d504bccc7de89afa8b63fb5b16e61e8646f803cb07e598e22ddf711582d8b23842a3fd3ddd2745e994906adb38807f4e75377741493c7dbd1ce0
ripemd-160 efbcd8627b2dd90430597f7f4a9e99198fa5037f

21291250 as geometric shapes

Circle

Radius = n
Diameter 42582500
Circumference 133776869.17149
Area 1.4241383828737E+15

Sphere

Radius = n
Volume 4.0428915125813E+22
Surface area 5.6965535314949E+15
Circumference 133776869.17149

Square

Length = n
Perimeter 85165000
Area 453317326562500
Diagonal 30110374.509876

Cube

Length = n
Surface area 2719903959375000
Volume 9.6516925291738E+21
Space diagonal 36877526.756651

Equilateral Triangle

Length = n
Perimeter 63873750
Area 1.9629216038939E+14
Altitude 18438763.378325

Triangular Pyramid

Length = n
Surface area 1.9629216038939E+14
Volume 1.1374628728844E+21
Height 10036791.503292