28488947 (number)

28488947 is an odd 8-digits composite number following 28488946 and preceding 28488948. In scientific notation, it is written as 2.8488947 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 28397616 positive integers (up to 28488947) that are relatively prime to 28488947.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighty-eight thousand nine hundred forty-seven

Notation

Scientific notation 2.8488947 × 10^7
Engineering notation 2.8488947 × 10^6

Prime Factorization of 28488947

Prime Factorization 313 × 91019

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28488947
Product of the distinct prime numbers

The prime factorization of 28488947 is 313 × 91019. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 40, 25, 966, 668, 7908, 9664, 83571, 98447, 940982, 533856, 5006670, 3221918, 89255026, 52887791, 678880813, 15487518, 3711139888, 5962460428

Basic calculations (n = 28488947)

Multiplication

n×y
n×2 56977894
n×3 85466841
n×4 113955788
n×5 142444735

Division

n÷y
n÷2 14244473.5
n÷3 9496315.6666667
n÷3 7122236.75
n÷5 5697789.4

Exponentiation

ny
n2 811620101168809
n3 2.3122202046333E+22
n4 6.5872718862127E+29
n5 1.876644396409E+37

Nth Root

y√n
2√n 5337.5038173288
3√n 305.41624436284
4√n 73.058222106268
5√n 30.969577420507

Divisors of 28488947

1, 313, 91019, 28488947

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 -28488946
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 28488947 can be divided by 4 positive divisors. The sum of these divisors (counting 28488947) is 1, the average is 0.25.

Base conversion 28488947

Base System Value
2 Binary 1101100101011010011110011
3 Ternary 1222121101111012
4 Quaternary 1230223103303
5 Quinary 24243121242
6 Senary 2454341135
8 Octal 154532363
10 Decimal 28488947
12 Duodecimal 965a7ab
16 Hexadecimal 1b2b4f3
20 Vigesimal 8i1277
36 Base36 gym7n

Cryptographic Hash Functions

md5 d1cb998236ff50387835e30643652e7c
sha1 bbfe8ea9b7ade4bcf6ad0b390bfbe10681fb2e29
sha256 53ad7d0d2b0b9aa735747e4e2014b08a850a91c0b6122e36ec4d3de16ac0e667
sha512 bad7c55d7ae340c43dd751d7b7d400a4bafaa3983c04ca5602cf8d374950356c958274dffb37d14df6ff1ebe28b7abf8a626ab35d1c46eab03906c9639511740
ripemd-160 3a81f27b22b54a21bcf653e59fe5c308f240b875

28488947 as geometric shapes

Circle

Radius = n
Diameter 56977894
Circumference 179001333.20742
Area 2.5497797473377E+15

Sphere

Radius = n
Volume 9.6854053444771E+22
Surface area 1.0199118989351E+16
Circumference 179001333.20742

Square

Length = n
Perimeter 113955788
Area 811620101168809
Diagonal 40289455.225128

Cube

Length = n
Surface area 4869720607012854
Volume 2.3122202046333E+22
Space diagonal 49344303.658137

Equilateral Triangle

Length = n
Perimeter 85466841
Area 3.5144181291714E+14
Altitude 24672151.829068

Triangular Pyramid

Length = n
Surface area 3.5144181291714E+14
Volume 2.7249776438212E+21
Height 13429818.408376