28973145 (number)

28973145 is an odd 8-digits composite number following 28973144 and preceding 28973146. In scientific notation, it is written as 2.8973145 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 15035328 positive integers (up to 28973145) that are relatively prime to 28973145.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred seventy-three thousand one hundred forty-five

Notation

Scientific notation 2.8973145 × 10^7
Engineering notation 2.8973145 × 10^6

Prime Factorization of 28973145

Prime Factorization 15 × 67 × 127 × 227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28973145
Product of the distinct prime numbers

The prime factorization of 28973145 is 15 × 67 × 127 × 227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28973145)

Multiplication

n×y
n×2 57946290
n×3 86919435
n×4 115892580
n×5 144865725

Division

n÷y
n÷2 14486572.5
n÷3 9657715
n÷3 7243286.25
n÷5 5794629

Exponentiation

ny
n2 839443131191025
n3 2.4321307559252E+22
n4 7.0466477050379E+29
n5 2.0416354572198E+37

Nth Root

y√n
2√n 5382.6708054645
3√n 307.13681756905
4√n 73.366687300603
5√n 31.074140710128

Divisors of 28973145

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28973144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28973145 can be divided by 16 positive divisors. The sum of these divisors (counting 28973145) is 1, the average is 0.0625.

Base conversion 28973145

Base System Value
2 Binary 1101110100001100001011001
3 Ternary 2000111222200110
4 Quaternary 1232201201121
5 Quinary 24404120040
6 Senary 2512554533
8 Octal 156414131
10 Decimal 28973145
12 Duodecimal 9852a49
16 Hexadecimal 1ba1859
20 Vigesimal 911ch5
36 Base36 h8ztl

Cryptographic Hash Functions

md5 3c1271e54e1b79bd0dc348dae08f9880
sha1 136002d2b19d5209c89b33327f26d65d5fed85ca
sha256 8d75876181f48c564293b18cf838880b17d84109a2df2e0f653dde3d69442b80
sha512 8afa537d79c84fc8aaae05796c978ae18d5e289aa2abc0a69c40378fca944f11791ef6506b4b0f625b300e704ed5e688692357144ceabd9df6904195345e3931
ripemd-160 05fd67982af54140f45aec1ff4122cdcaf8cdafd

28973145 as geometric shapes

Circle

Radius = n
Diameter 57946290
Circumference 182043638.96678
Area 2.6371883740561E+15

Sphere

Radius = n
Volume 1.0187685487179E+23
Surface area 1.0548753496225E+16
Circumference 182043638.96678

Square

Length = n
Perimeter 115892580
Area 839443131191025
Diagonal 40974214.603602

Cube

Length = n
Surface area 5036658787146150
Volume 2.4321307559252E+22
Space diagonal 50182959.19506

Equilateral Triangle

Length = n
Perimeter 86919435
Area 3.6348953832189E+14
Altitude 25091479.59753

Triangular Pyramid

Length = n
Surface area 3.6348953832189E+14
Volume 2.8662935837451E+21
Height 13658071.534534