28911072 (number)

28911072 is an even 8-digits composite number following 28911071 and preceding 28911073. In scientific notation, it is written as 2.8911072 × 10^7. The sum of its digits is 30. It has a total of 8 prime factors and 48 positive divisors. There are 9477120 positive integers (up to 28911072) that are relatively prime to 28911072.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eleven thousand seventy-two

Notation

Scientific notation 2.8911072 × 10^7
Engineering notation 2.8911072 × 10^6

Prime Factorization of 28911072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 61 × 4937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1806942
Product of the distinct prime numbers

The prime factorization of 28911072 is 2 × 2 × 2 × 2 × 2 × 3 × 61 × 4937. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 7, 88, 79, 229, 741, 1881, 1952, 25157, 7070, 177909, 171295, 5561601, 4979250, 30630509, 23263584, 37871464, 741833641, 7771682872, 8288065148

Basic calculations (n = 28911072)

Multiplication

n×y
n×2 57822144
n×3 86733216
n×4 115644288
n×5 144555360

Division

n÷y
n÷2 14455536
n÷3 9637024
n÷3 7227768
n÷5 5782214.4

Exponentiation

ny
n2 835850084189184
n3 2.41653219652E+22
n4 6.9864536323907E+29
n5 2.0198586399071E+37

Nth Root

y√n
2√n 5376.9017100929
3√n 306.9173208018
4√n 73.327359901287
5√n 31.060814436785

Divisors of 28911072

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 4937, 5856, 9874, 14811, 19748, 29622, 39496, 59244, 78992, 118488, 157984, 236976, 301157, 473952, 602314, 903471, 1204628, 1806942, 2409256, 3613884, 4818512, 7227768, 9637024, 14455536, 28911072

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28911071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28911072 can be divided by 48 positive divisors. The sum of these divisors (counting 28911072) is 1, the average is 0.020833333333333.

Base conversion 28911072

Base System Value
2 Binary 1101110010010010111100000
3 Ternary 2000101211112110
4 Quaternary 1232102113200
5 Quinary 24400123242
6 Senary 2511355320
8 Octal 156222740
10 Decimal 28911072
12 Duodecimal 9822b40
16 Hexadecimal 1b925e0
20 Vigesimal 90dhdc
36 Base36 h7nxc

Cryptographic Hash Functions

md5 d07f1fdf292430bc6545fae9425a58ad
sha1 1155d8aaf2ed8ff1505cf61dfc0441935e340194
sha256 684a225a4176a1c807e9778994ce04c1286d50962042022c6f7791a1c30fa28b
sha512 e150b02b6c0064bc99b7bb7a0d53bd04bcedc18be90e4299eb064f3450a9ed40b273219f22a9898ecb625ee243c46d67b25311e33cc209a549cb0cbfdab79b25
ripemd-160 d78ed732849891a13f989d6344052ffc302a6ef1

28911072 as geometric shapes

Circle

Radius = n
Diameter 57822144
Circumference 181653622.80521
Area 2.6259004839912E+15

Sphere

Radius = n
Volume 1.0122346394334E+23
Surface area 1.0503601935965E+16
Circumference 181653622.80521

Square

Length = n
Perimeter 115644288
Area 835850084189184
Diagonal 40886430.125145

Cube

Length = n
Surface area 5015100505135104
Volume 2.41653219652E+22
Space diagonal 50075445.605282

Equilateral Triangle

Length = n
Perimeter 86733216
Area 3.619337033316E+14
Altitude 25037722.802641

Triangular Pyramid

Length = n
Surface area 3.619337033316E+14
Volume 2.8479105051915E+21
Height 13628810.041715