15661225 (number)

15661225 is an odd 8-digits composite number following 15661224 and preceding 15661226. In scientific notation, it is written as 1.5661225 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 11869200 positive integers (up to 15661225) that are relatively prime to 15661225.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand two hundred twenty-five

Notation

Scientific notation 1.5661225 × 10^7
Engineering notation 1.5661225 × 10^6

Prime Factorization of 15661225

Prime Factorization 5 × 5 × 19 × 32971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3132245
Product of the distinct prime numbers

The prime factorization of 15661225 is 5 × 5 × 19 × 32971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 13, 24, 959, 509, 771, 1175, 85187, 7340, 140012, 965138, 9742207, 6019752, 42472821, 86044885, 899837838, 470430341, 2587861454, 60844650

Basic calculations (n = 15661225)

Multiplication

n×y
n×2 31322450
n×3 46983675
n×4 62644900
n×5 78306125

Division

n÷y
n÷2 7830612.5
n÷3 5220408.3333333
n÷3 3915306.25
n÷5 3132245

Exponentiation

ny
n2 245273968500625
n3 3.8412908073312E+21
n4 6.0159319624046E+28
n5 9.4216864047909E+35

Nth Root

y√n
2√n 3957.4265628057
3√n 250.19305088705
4√n 62.908080266415
5√n 27.476736303393

Divisors of 15661225

1, 5, 19, 25, 95, 475, 32971, 164855, 626449, 824275, 3132245, 15661225

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661224
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661225 can be divided by 12 positive divisors. The sum of these divisors (counting 15661225) is 1, the average is 0.083333333333333.

Base conversion 15661225

Base System Value
2 Binary 111011101111100010101001
3 Ternary 1002110200011101
4 Quaternary 323233202221
5 Quinary 13002124400
6 Senary 1315401401
8 Octal 73574251
10 Decimal 15661225
12 Duodecimal 52b3261
16 Hexadecimal eef8a9
20 Vigesimal 4hhd15
36 Base36 9boa1

Cryptographic Hash Functions

md5 ae12d268a6e549ab283e1fc4ffef1c8a
sha1 9d367163157536e2502fadb6e78aede26e6d3fa0
sha256 b79f56efd9f840b7c9b21116724f158e2c64b84cd11f5bd5895db5b6cad343a1
sha512 a54d03448ea30d0d6d7becad9389f8f0ef886279c76f71f305f3b5236aeff739a8406ae37ee42e931b64b87baf06d98262be71d0bf5c16e1fa0675bb475e7158
ripemd-160 ed1bb98d2f8be047553d30d506cfd40901dcb992

15661225 as geometric shapes

Circle

Radius = n
Diameter 31322450
Circumference 98402378.812434
Area 7.7055089755838E+14

Sphere

Radius = n
Volume 1.6090361307485E+22
Surface area 3.0822035902335E+15
Circumference 98402378.812434

Square

Length = n
Perimeter 62644900
Area 245273968500625
Diagonal 22148316.798377

Cube

Length = n
Surface area 1471643811003750
Volume 3.8412908073312E+21
Space diagonal 27126037.408768

Equilateral Triangle

Length = n
Perimeter 46983675
Area 1.0620674380428E+14
Altitude 13563018.704384

Triangular Pyramid

Length = n
Surface area 1.0620674380428E+14
Volume 4.5270046306224E+20
Height 7382772.2661255