28991107 (number)

28991107 is an odd 8-digits composite number following 28991106 and preceding 28991108. In scientific notation, it is written as 2.8991107 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 28055880 positive integers (up to 28991107) that are relatively prime to 28991107.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand one hundred seven

Notation

Scientific notation 2.8991107 × 10^7
Engineering notation 2.8991107 × 10^6

Prime Factorization of 28991107

Prime Factorization 31 × 935197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28991107
Product of the distinct prime numbers

The prime factorization of 28991107 is 31 × 935197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991107)

Multiplication

n×y
n×2 57982214
n×3 86973321
n×4 115964428
n×5 144955535

Division

n÷y
n÷2 14495553.5
n÷3 9663702.3333333
n÷3 7247776.75
n÷5 5798221.4

Exponentiation

ny
n2 840484285085449
n3 2.4366569840731E+22
n4 7.064138334756E+29
n5 2.0479719032571E+37

Nth Root

y√n
2√n 5384.3390495027
3√n 307.2002746297
4√n 73.378055639971
5√n 31.077992658925

Divisors of 28991107

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991106
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991107 can be divided by 4 positive divisors. The sum of these divisors (counting 28991107) is 1, the average is 0.25.

Base conversion 28991107

Base System Value
2 Binary 1101110100101111010000011
3 Ternary 2000112220022201
4 Quaternary 1232211322003
5 Quinary 24410203412
6 Senary 2513214031
8 Octal 156457203
10 Decimal 28991107
12 Duodecimal 9861317
16 Hexadecimal 1ba5e83
20 Vigesimal 913hf7
36 Base36 h9doj

Cryptographic Hash Functions

md5 27d3415e60a5897cb7985fb966646062
sha1 8cbf73e5cf5e2df8160d53246df71b6828c41326
sha256 86aa97db8ac0e602d055158ecaece6a09985c68d4d6f162d5138b89779ab91c5
sha512 ae8da5fd135f81f8011f10f238daeb1ba90db9ce7899af8c7df487c13cddca5454c3bdcb708675c24aa542eb3a37a3814eb9db0f671ebe576bbc028e2015b08b
ripemd-160 67f3705a7a031df1e5d1f97e5490052bd1a1db87

28991107 as geometric shapes

Circle

Radius = n
Diameter 57982214
Circumference 182156497.54127
Area 2.6404592554821E+15

Sphere

Radius = n
Volume 1.020664490731E+23
Surface area 1.0561837021928E+16
Circumference 182156497.54127

Square

Length = n
Perimeter 115964428
Area 840484285085449
Diagonal 40999616.70761

Cube

Length = n
Surface area 5042905710512694
Volume 2.4366569840731E+22
Space diagonal 50214070.291666

Equilateral Triangle

Length = n
Perimeter 86973321
Area 3.639403711828E+14
Altitude 25107035.145833

Triangular Pyramid

Length = n
Surface area 3.639403711828E+14
Volume 2.8716277947727E+21
Height 13666538.902537