28156725 (number)

28156725 is an odd 8-digits composite number following 28156724 and preceding 28156726. In scientific notation, it is written as 2.8156725 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 15016800 positive integers (up to 28156725) that are relatively prime to 28156725.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-six thousand seven hundred twenty-five

Notation

Scientific notation 2.8156725 × 10^7
Engineering notation 2.8156725 × 10^6

Prime Factorization of 28156725

Prime Factorization 9 × 5 × 5 × 125141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5631345
Product of the distinct prime numbers

The prime factorization of 28156725 is 9 × 5 × 5 × 125141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 8, 82, 167, 355, 2540, 7941, 13994, 87160, 185094, 622465, 1587960, 7183437, 94404048, 57115512, 941674301, 445933967, 2068104879, 6583522875

Basic calculations (n = 28156725)

Multiplication

n×y
n×2 56313450
n×3 84470175
n×4 112626900
n×5 140783625

Division

n÷y
n÷2 14078362.5
n÷3 9385575
n÷3 7039181.25
n÷5 5631345

Exponentiation

ny
n2 792801162725625
n3 2.2322684318546E+22
n4 6.285336836191E+29
n5 1.76974500829E+37

Nth Root

y√n
2√n 5306.2910775795
3√n 304.22440220924
4√n 72.844293376898
5√n 30.897008179772

Divisors of 28156725

1, 5, 9, 25, 45, 225, 125141, 625705, 1126269, 3128525, 5631345, 28156725

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 -28156724
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 28156725 can be divided by 12 positive divisors. The sum of these divisors (counting 28156725) is 1, the average is 0.083333333333333.

Base conversion 28156725

Base System Value
2 Binary 1101011011010001100110101
3 Ternary 1221222111202200
4 Quaternary 1223122030311
5 Quinary 24202003400
6 Senary 2443255113
8 Octal 153321465
10 Decimal 28156725
12 Duodecimal 951a499
16 Hexadecimal 1ada335
20 Vigesimal 8fjbg5
36 Base36 grhv9

Cryptographic Hash Functions

md5 8824e4b5c20c2ec59a31213faa3d9147
sha1 00f462f64c93511d298f3065959c3d098082c4c1
sha256 31deb30f3503a39fe2af3b19ef882064da1c60f6f20b8dfae6cb190f5138bff7
sha512 9ddabad0357a8dae35d45ddfeca0bdfb7976bba57e6bbbf303a0ca4e15dbf709d300a7d2ee1218cab9bfbba073453d689241707e462e54b31d75cfa369065d29
ripemd-160 8fc84466879f30dcc48e63c000f6456b9c2135fb

28156725 as geometric shapes

Circle

Radius = n
Diameter 56313450
Circumference 176913920.8183
Area 2.4906583085763E+15

Sphere

Radius = n
Volume 9.3505041418063E+22
Surface area 9.9626332343051E+15
Circumference 176913920.8183

Square

Length = n
Perimeter 112626900
Area 792801162725625
Diagonal 39819622.36701

Cube

Length = n
Surface area 4756806976353750
Volume 2.2322684318546E+22
Space diagonal 48768878.274745

Equilateral Triangle

Length = n
Perimeter 84470175
Area 3.4329297353512E+14
Altitude 24384439.137372

Triangular Pyramid

Length = n
Surface area 3.4329297353512E+14
Volume 2.6307535759884E+21
Height 13273207.45567