28008907 (number)

28008907 is an odd 8-digits composite number following 28008906 and preceding 28008908. In scientific notation, it is written as 2.8008907 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 26534412 positive integers (up to 28008907) that are relatively prime to 28008907.

Interesting facts

Basic properties

Name

Name twenty-eight million eight thousand nine hundred seven

Notation

Scientific notation 2.8008907 × 10^7
Engineering notation 2.8008907 × 10^6

Prime Factorization of 28008907

Prime Factorization 19 × 19 × 77587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1474153
Product of the distinct prime numbers

The prime factorization of 28008907 is 19 × 19 × 77587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28008907)

Multiplication

n×y
n×2 56017814
n×3 84026721
n×4 112035628
n×5 140044535

Division

n÷y
n÷2 14004453.5
n÷3 9336302.3333333
n÷3 7002226.75
n÷5 5601781.4

Exponentiation

ny
n2 784498871334649
n3 2.1972955928817E+22
n4 6.1543847912534E+29
n5 1.7237759126043E+37

Nth Root

y√n
2√n 5292.3441875978
3√n 303.69109246202
4√n 72.748499555646
5√n 30.864499037138

Divisors of 28008907

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28008906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28008907 can be divided by 6 positive divisors. The sum of these divisors (counting 28008907) is 1, the average is 0.16666666666667.

Base conversion 28008907

Base System Value
2 Binary 1101010110110000111001011
3 Ternary 1221200222222221
4 Quaternary 1222312013023
5 Quinary 24132241112
6 Senary 2440154511
8 Octal 152660713
10 Decimal 28008907
12 Duodecimal 9468a37
16 Hexadecimal 1ab61cb
20 Vigesimal 8f1257
36 Base36 gobt7

Cryptographic Hash Functions

md5 d1479e3af565fdd91879c6165eae63f2
sha1 3c1a3c05040180d90caeeaa807a558e86e8cf494
sha256 08752453df9f1260775e020dfe94ac078376124879cacabab248732b8f3a172f
sha512 9c8d03186393876c7aebcbcf3be64fbd98b2898449182bdd8291986c213cf1c0f90566f60764adc4b9a44b10ab8b3abc46b227c77faf843a002628b1c2f23568
ripemd-160 fad990c29cee82e1f143e6cddf6b3ab60f96e3e1

28008907 as geometric shapes

Circle

Radius = n
Diameter 56017814
Circumference 175985152.93256
Area 2.4645758909344E+15

Sphere

Radius = n
Volume 9.2040102564832E+22
Surface area 9.8583035637377E+15
Circumference 175985152.93256

Square

Length = n
Perimeter 112035628
Area 784498871334649
Diagonal 39610576.146647

Cube

Length = n
Surface area 4706993228007894
Volume 2.1972955928817E+22
Space diagonal 48512849.988472

Equilateral Triangle

Length = n
Perimeter 84026721
Area 3.3969797590801E+14
Altitude 24256424.994236

Triangular Pyramid

Length = n
Surface area 3.3969797590801E+14
Volume 2.5895376899966E+21
Height 13203525.382216