28993897 (number)

28993897 is an odd 8-digits composite number following 28993896 and preceding 28993898. In scientific notation, it is written as 2.8993897 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 27793200 positive integers (up to 28993897) that are relatively prime to 28993897.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8993897 × 10^7
Engineering notation 2.8993897 × 10^6

Prime Factorization of 28993897

Prime Factorization 31 × 107 × 8741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28993897
Product of the distinct prime numbers

The prime factorization of 28993897 is 31 × 107 × 8741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 31, 90, 165, 83, 1282, 1838, 59855, 20046, 807058, 46976, 7019450, 2677864, 73923476, 53835471, 385288654, 291891266, 7478436100, 2834570707

Basic calculations (n = 28993897)

Multiplication

n×y
n×2 57987794
n×3 86981691
n×4 115975588
n×5 144969485

Division

n÷y
n÷2 14496948.5
n÷3 9664632.3333333
n÷3 7248474.25
n÷5 5798779.4

Exponentiation

ny
n2 840646063246609
n3 2.4373605371228E+22
n4 7.0668580365202E+29
n5 2.0489575402449E+37

Nth Root

y√n
2√n 5384.5981279943
3√n 307.21012893058
4√n 73.379820986388
5√n 31.078590802777

Divisors of 28993897

1, 31, 107, 3317, 8741, 270971, 935287, 28993897

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28993896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28993897 can be divided by 8 positive divisors. The sum of these divisors (counting 28993897) is 1, the average is 0.125.

Base conversion 28993897

Base System Value
2 Binary 1101110100110100101101001
3 Ternary 2000120001011001
4 Quaternary 1232212211221
5 Quinary 24410301042
6 Senary 2513235001
8 Octal 156464551
10 Decimal 28993897
12 Duodecimal 9862a61
16 Hexadecimal 1ba6969
20 Vigesimal 9144eh
36 Base36 h9fu1

Cryptographic Hash Functions

md5 d19cc534e0502522fbdb69068d3f03af
sha1 c359c75900ea07819a28f655d48649d8a6eda434
sha256 23295266a8ce5cc2a75d6539bef66172139ee018d2e5a0ce32d2449cba7e1340
sha512 3e9295a2eb2c83cb6a04e9275802139c44d6ed702ab1235d5fc4b8567a578d9ceb6f51cbf4e953559b4e8d3a6119c0e5938d05cb48b3fefd0690984269f25c1f
ripemd-160 9a89a454883bbf54d7ed443b0cf9c629b9d40983

28993897 as geometric shapes

Circle

Radius = n
Diameter 57987794
Circumference 182174027.62828
Area 2.6409674965647E+15

Sphere

Radius = n
Volume 1.0209591943433E+23
Surface area 1.0563869986259E+16
Circumference 182174027.62828

Square

Length = n
Perimeter 115975588
Area 840646063246609
Diagonal 41003562.363449

Cube

Length = n
Surface area 5043876379479654
Volume 2.4373605371228E+22
Space diagonal 50218902.713419

Equilateral Triangle

Length = n
Perimeter 86981691
Area 3.6401042318147E+14
Altitude 25109451.356709

Triangular Pyramid

Length = n
Surface area 3.6401042318147E+14
Volume 2.8724569399933E+21
Height 13667854.12115