28778825 (number)

28778825 is an odd 8-digits composite number following 28778824 and preceding 28778826. In scientific notation, it is written as 2.8778825 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 21288960 positive integers (up to 28778825) that are relatively prime to 28778825.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-eight thousand eight hundred twenty-five

Notation

Scientific notation 2.8778825 × 10^7
Engineering notation 2.8778825 × 10^6

Prime Factorization of 28778825

Prime Factorization 5 × 5 × 19 × 43 × 1409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5755765
Product of the distinct prime numbers

The prime factorization of 28778825 is 5 × 5 × 19 × 43 × 1409. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 6, 83, 71, 274, 733, 5556, 4918, 64715, 26055, 926977, 375982, 967044, 7446412, 87216108, 89951815, 51278290, 326342430, 5980426075, 4977799706

Basic calculations (n = 28778825)

Multiplication

n×y
n×2 57557650
n×3 86336475
n×4 115115300
n×5 143894125

Division

n÷y
n÷2 14389412.5
n÷3 9592941.6666667
n÷3 7194706.25
n÷5 5755765

Exponentiation

ny
n2 828220768380625
n3 2.3835220554592E+22
n4 6.8594964117699E+29
n5 1.9740824682245E+37

Nth Root

y√n
2√n 5364.5899190898
3√n 306.44863138016
4√n 73.243360921587
5√n 31.032346200748

Divisors of 28778825

1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 1409, 4085, 7045, 20425, 26771, 35225, 60587, 133855, 302935, 669275, 1151153, 1514675, 5755765, 28778825

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28778824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28778825 can be divided by 24 positive divisors. The sum of these divisors (counting 28778825) is 1, the average is 0.041666666666667.

Base conversion 28778825

Base System Value
2 Binary 1101101110010000101001001
3 Ternary 2000011010010102
4 Quaternary 1231302011021
5 Quinary 24331410300
6 Senary 2504455145
8 Octal 155620511
10 Decimal 28778825
12 Duodecimal 977a4b5
16 Hexadecimal 1b72149
20 Vigesimal 8jh715
36 Base36 h4tvt

Cryptographic Hash Functions

md5 9a88df639cc9e45c985cdd3cf1fea513
sha1 34c3abf21e8e8ed162af55e9d1386ff4475994db
sha256 d67513e8071338f6d7942771b6371ca6a6764b7c161b69d763f316fb5e2479bf
sha512 c2a64ac992affe64fe72e5606a9d6ff56ee6d16c45cf040fea625d95be279f6ce62c170bd12599e16dd5934e44738b3fa950a9a58071f0df78f6bbb14b04edc4
ripemd-160 6b0f1f638892e36d8c18894eaddf845b551995c7

28778825 as geometric shapes

Circle

Radius = n
Diameter 57557650
Circumference 180822690.39789
Area 2.6019322814951E+15

Sphere

Radius = n
Volume 9.9840738387996E+22
Surface area 1.040772912598E+16
Circumference 180822690.39789

Square

Length = n
Perimeter 115115300
Area 828220768380625
Diagonal 40699404.624162

Cube

Length = n
Surface area 4969324610283750
Volume 2.3835220554592E+22
Space diagonal 49846387.082133

Equilateral Triangle

Length = n
Perimeter 86336475
Area 3.5863011267974E+14
Altitude 24923193.541067

Triangular Pyramid

Length = n
Surface area 3.5863011267974E+14
Volume 2.8090076808714E+21
Height 13566468.208054