28845947 (number)

28845947 is an odd 8-digits composite number following 28845946 and preceding 28845948. In scientific notation, it is written as 2.8845947 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 26461728 positive integers (up to 28845947) that are relatively prime to 28845947.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred forty-five thousand nine hundred forty-seven

Notation

Scientific notation 2.8845947 × 10^7
Engineering notation 2.8845947 × 10^6

Prime Factorization of 28845947

Prime Factorization 13 × 163 × 13613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28845947
Product of the distinct prime numbers

The prime factorization of 28845947 is 13 × 163 × 13613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 38, 68, 226, 51, 1817, 4261, 89634, 8672, 371447, 385329, 1751009, 6623482, 40925478, 52171274, 839916233, 496933396, 4270104456, 9256268696

Basic calculations (n = 28845947)

Multiplication

n×y
n×2 57691894
n×3 86537841
n×4 115383788
n×5 144229735

Division

n÷y
n÷2 14422973.5
n÷3 9615315.6666667
n÷3 7211486.75
n÷5 5769189.4

Exponentiation

ny
n2 832088658326809
n3 2.4002385337396E+22
n4 6.9237153531611E+29
n5 1.9972112612037E+37

Nth Root

y√n
2√n 5370.8422989323
3√n 306.68669384541
4√n 73.286030721634
5√n 31.046808310267

Divisors of 28845947

1, 13, 163, 2119, 13613, 176969, 2218919, 28845947

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 -28845946
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 28845947 can be divided by 8 positive divisors. The sum of these divisors (counting 28845947) is 1, the average is 0.125.

Base conversion 28845947

Base System Value
2 Binary 1101110000010011101111011
3 Ternary 2000021112012102
4 Quaternary 1232002131323
5 Quinary 24341032242
6 Senary 2510134015
8 Octal 156023573
10 Decimal 28845947
12 Duodecimal 97b130b
16 Hexadecimal 1b8277b
20 Vigesimal 905eh7
36 Base36 h69ob

Cryptographic Hash Functions

md5 a166b7b929a1a6381b4a4d3672c0a05d
sha1 de934986b229e5a15d30013741a8245e78090a4b
sha256 03f756b3d031e13bbb9f672ff845277bf37bc43382773ab77523e64203f4ba96
sha512 8d89893127cea4100525a6956dc7c1e8c1977a867967e88cf13543f5cc0218723af0d5e45cca8fde089503520142667c8740a2c5421cce8a520b0e5fe5c062af
ripemd-160 a39769b57c3f2ff3f3c3b3389cf58977f529b6f0

28845947 as geometric shapes

Circle

Radius = n
Diameter 57691894
Circumference 181244430.36208
Area 2.6140836161349E+15

Sphere

Radius = n
Volume 1.0054095659279E+23
Surface area 1.045633446454E+16
Circumference 181244430.36208

Square

Length = n
Perimeter 115383788
Area 832088658326809
Diagonal 40794329.466895

Cube

Length = n
Surface area 4992531949960854
Volume 2.4002385337396E+22
Space diagonal 49962645.796439

Equilateral Triangle

Length = n
Perimeter 86537841
Area 3.6030495815596E+14
Altitude 24981322.89822

Triangular Pyramid

Length = n
Surface area 3.6030495815596E+14
Volume 2.8287082394542E+21
Height 13598109.822298