28702938 (number)

28702938 is an even 8-digits composite number following 28702937 and preceding 28702939. In scientific notation, it is written as 2.8702938 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 8668800 positive integers (up to 28702938) that are relatively prime to 28702938.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred two thousand nine hundred thirty-eight

Notation

Scientific notation 2.8702938 × 10^7
Engineering notation 2.8702938 × 10^6

Prime Factorization of 28702938

Prime Factorization 2 × 33 × 421 × 1033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28702938
Product of the distinct prime numbers

The prime factorization of 28702938 is 2 × 33 × 421 × 1033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 67, 6, 823, 544, 1571, 3937, 11368, 81849, 303750, 685734, 2249831, 2277361, 74880414, 62677354, 602980067, 741843606, 553002281, 3681814552

Basic calculations (n = 28702938)

Multiplication

n×y
n×2 57405876
n×3 86108814
n×4 114811752
n×5 143514690

Division

n÷y
n÷2 14351469
n÷3 9567646
n÷3 7175734.5
n÷5 5740587.6

Exponentiation

ny
n2 823858649831844
n3 2.3647163746887E+22
n4 6.7874307490275E+29
n5 1.9481920396863E+37

Nth Root

y√n
2√n 5357.5122958328
3√n 306.17903573013
4√n 73.195029174342
5√n 31.015963047468

Divisors of 28702938

1, 2, 33, 66, 421, 842, 1033, 2066, 13893, 27786, 34089, 68178, 434893, 869786, 14351469, 28702938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28702937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28702938 can be divided by 16 positive divisors. The sum of these divisors (counting 28702938) is 1, the average is 0.0625.

Base conversion 28702938

Base System Value
2 Binary 1101101011111100011011010
3 Ternary 2000000021000210
4 Quaternary 1231133203122
5 Quinary 24321443223
6 Senary 2503111550
8 Octal 155374332
10 Decimal 28702938
12 Duodecimal 97425b6
16 Hexadecimal 1b5f8da
20 Vigesimal 8j7h6i
36 Base36 h37bu

Cryptographic Hash Functions

md5 802bc4740f0c36c1600a5e68880e2889
sha1 320cee35d2a612f15c76b1d5c47d60ace6f53780
sha256 56b34102ebf6e45aa5bad4d91a50aaffe9dec66b85185473052f78eb2e2de515
sha512 6106e2ac779d4b32a25a788b39c651f1597d2f09278da3b5c5d903cc194e3cdd6a4455b93da86f6615124a77e2caa7b5122863384508114a8cb767e3f0ffc42f
ripemd-160 f7a44f667d948f2f0a9e544e8dfb56df0b5f8f4a

28702938 as geometric shapes

Circle

Radius = n
Diameter 57405876
Circumference 180345878.31449
Area 2.5882282819081E+15

Sphere

Radius = n
Volume 9.9053007873941E+22
Surface area 1.0352913127633E+16
Circumference 180345878.31449

Square

Length = n
Perimeter 114811752
Area 823858649831844
Diagonal 40592084.199554

Cube

Length = n
Surface area 4943151898991064
Volume 2.3647163746887E+22
Space diagonal 49714946.942499

Equilateral Triangle

Length = n
Perimeter 86108814
Area 3.5674125994096E+14
Altitude 24857473.47125

Triangular Pyramid

Length = n
Surface area 3.5674125994096E+14
Volume 2.7868449735421E+21
Height 13530694.733185