28931960 (number)

28931960 is an even 8-digits composite number following 28931959 and preceding 28931961. In scientific notation, it is written as 2.8931960 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 64 positive divisors. There are 10782720 positive integers (up to 28931960) that are relatively prime to 28931960.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand nine hundred sixty

Notation

Scientific notation 2.8931960 × 10^7
Engineering notation 2.8931960 × 10^6

Prime Factorization of 28931960

Prime Factorization 2 × 2 × 2 × 5 × 17 × 157 × 271

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 7232990
Product of the distinct prime numbers

The prime factorization of 28931960 is 2 × 2 × 2 × 5 × 17 × 157 × 271. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 8, 50, 51, 393, 846, 6767, 4330, 34995, 53955, 283730, 320894, 5825415, 4159478, 21314942, 24968605, 187425286, 8880056, 1606862546, 9453702016

Basic calculations (n = 28931960)

Multiplication

n×y
n×2 57863920
n×3 86795880
n×4 115727840
n×5 144659800

Division

n÷y
n÷2 14465980
n÷3 9643986.6666667
n÷3 7232990
n÷5 5786392

Exponentiation

ny
n2 837058309441600
n3 2.4217737526432E+22
n4 7.0066661340523E+29
n5 2.0271658432376E+37

Nth Root

y√n
2√n 5378.8437419207
3√n 306.99121804642
4√n 73.340600910551
5√n 31.065301374334

Divisors of 28931960

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 271, 314, 340, 542, 628, 680, 785, 1084, 1256, 1355, 1570, 2168, 2669, 2710, 3140, 4607, 5338, 5420, 6280, 9214, 10676, 10840, 13345, 18428, 21352, 23035, 26690, 36856, 42547, 46070, 53380, 85094, 92140, 106760, 170188, 184280, 212735, 340376, 425470, 723299, 850940, 1446598, 1701880, 2893196, 3616495, 5786392, 7232990, 14465980, 28931960

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931959
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931960 can be divided by 64 positive divisors. The sum of these divisors (counting 28931960) is 1, the average is 0.015625.

Base conversion 28931960

Base System Value
2 Binary 1101110010111011101111000
3 Ternary 2000102220012002
4 Quaternary 1232113131320
5 Quinary 24401310320
6 Senary 2512040132
8 Octal 156273570
10 Decimal 28931960
12 Duodecimal 9833048
16 Hexadecimal 1b97778
20 Vigesimal 90g9i0
36 Base36 h841k

Cryptographic Hash Functions

md5 196c1b2cd6307223bf8cd5e091fb1d42
sha1 1d6313ad8bec6c83abf44d8d7f9090eabd3e47fc
sha256 2c40dc14cc0c170ec4befd7341248d3585b4ab105d8ec56fdc6c9a5c8d6697cf
sha512 7115c596da79c33f9300b7691d84483c4a6eb3714864c6dd1d63d6eebc496072837cbe2daf57a648e5ba01bc6d6bbf4251b7eb94bb3bda84dc385524229ac84a
ripemd-160 f33b67d156d743d7d462801696d06648c063e065

28931960 as geometric shapes

Circle

Radius = n
Diameter 57863920
Circumference 181784865.97991
Area 2.629696235568E+15

Sphere

Radius = n
Volume 1.0144302173281E+23
Surface area 1.0518784942272E+16
Circumference 181784865.97991

Square

Length = n
Perimeter 115727840
Area 837058309441600
Diagonal 40915970.218036

Cube

Length = n
Surface area 5022349856649600
Volume 2.4217737526432E+22
Space diagonal 50111624.68255

Equilateral Triangle

Length = n
Perimeter 86795880
Area 3.6245688021264E+14
Altitude 25055812.341275

Triangular Pyramid

Length = n
Surface area 3.6245688021264E+14
Volume 2.8540877383227E+21
Height 13638656.739345