28406938 (number)

28406938 is an even 8-digits composite number following 28406937 and preceding 28406939. In scientific notation, it is written as 2.8406938 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors. There are 11461824 positive integers (up to 28406938) that are relatively prime to 28406938.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred six thousand nine hundred thirty-eight

Notation

Scientific notation 2.8406938 × 10^7
Engineering notation 2.8406938 × 10^6

Prime Factorization of 28406938

Prime Factorization 2 × 7 × 19 × 269 × 397

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28406938
Product of the distinct prime numbers

The prime factorization of 28406938 is 2 × 7 × 19 × 269 × 397. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 70, 20, 303, 128, 6076, 2084, 44993, 4470, 645281, 286987, 81509, 3964651, 38489677, 77343949, 363665965, 625695159, 857851841, 88944798

Basic calculations (n = 28406938)

Multiplication

n×y
n×2 56813876
n×3 85220814
n×4 113627752
n×5 142034690

Division

n÷y
n÷2 14203469
n÷3 9468979.3333333
n÷3 7101734.5
n÷5 5681387.6

Exponentiation

ny
n2 806954126535844
n3 2.2923095841348E+22
n4 6.5117496233323E+29
n5 1.8497886782152E+37

Nth Root

y√n
2√n 5329.8159442893
3√n 305.12290307952
4√n 73.005588445606
5√n 30.951726893631

Divisors of 28406938

1, 2, 7, 14, 19, 38, 133, 266, 269, 397, 538, 794, 1883, 2779, 3766, 5111, 5558, 7543, 10222, 15086, 35777, 52801, 71554, 105602, 106793, 213586, 747551, 1495102, 2029067, 4058134, 14203469, 28406938

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28406937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28406938 can be divided by 32 positive divisors. The sum of these divisors (counting 28406938) is 1, the average is 0.03125.

Base conversion 28406938

Base System Value
2 Binary 1101100010111010010011010
3 Ternary 1222110012222211
4 Quaternary 1230113102122
5 Quinary 24233010223
6 Senary 2452505334
8 Octal 154272232
10 Decimal 28406938
12 Duodecimal 961b24a
16 Hexadecimal 1b1749a
20 Vigesimal 8hah6i
36 Base36 gwuxm

Cryptographic Hash Functions

md5 0a5165b601254202e2dd23223cdb3bc3
sha1 1f767238a992b5f6f1aaeb63f3bfdaa6f534fde8
sha256 6d8b6dd74083b4ff3a11166a752b3e02392ed4de0181af4caef592887672cf04
sha512 08356c5826bde9b23bd0c111dac05b9b4f482f80678c53b8e6a01048c0c5c533d69ca7e7dbd170e6453ebff2003589a5b474763e45cc084c1b2e628440bc581d
ripemd-160 5db889a76d84639579daace1baebe36850fcb877

28406938 as geometric shapes

Circle

Radius = n
Diameter 56813876
Circumference 178486055.46356
Area 2.535121155709E+15

Sphere

Radius = n
Volume 9.6020039323618E+22
Surface area 1.0140484622836E+16
Circumference 178486055.46356

Square

Length = n
Perimeter 113627752
Area 806954126535844
Diagonal 40173476.985092

Cube

Length = n
Surface area 4841724759215064
Volume 2.2923095841348E+22
Space diagonal 49202259.903459

Equilateral Triangle

Length = n
Perimeter 85220814
Area 3.4942138663436E+14
Altitude 24601129.95173

Triangular Pyramid

Length = n
Surface area 3.4942138663436E+14
Volume 2.7015127525344E+21
Height 13391158.995031