28621869 (number)

28621869 is an odd 8-digits composite number following 28621868 and preceding 28621870. In scientific notation, it is written as 2.8621869 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 18339776 positive integers (up to 28621869) that are relatively prime to 28621869.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred twenty-one thousand eight hundred sixty-nine

Notation

Scientific notation 2.8621869 × 10^7
Engineering notation 2.8621869 × 10^6

Prime Factorization of 28621869

Prime Factorization 3 × 29 × 1223 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28621869
Product of the distinct prime numbers

The prime factorization of 28621869 is 3 × 29 × 1223 × 269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 35, 3, 554, 436, 3561, 9631, 11655, 14872, 19882, 787908, 218593, 2326498, 23686339, 2556806, 746130915, 652032018, 3137953262, 4128053996

Basic calculations (n = 28621869)

Multiplication

n×y
n×2 57243738
n×3 85865607
n×4 114487476
n×5 143109345

Division

n÷y
n÷2 14310934.5
n÷3 9540623
n÷3 7155467.25
n÷5 5724373.8

Exponentiation

ny
n2 819211385053161
n3 2.34473609463E+22
n4 6.7110729340072E+29
n5 1.920834503666E+37

Nth Root

y√n
2√n 5349.9410277124
3√n 305.89050505959
4√n 73.143291064269
5√n 30.998422831532

Divisors of 28621869

1, 3, 29, 87, 269, 807, 1223, 3669, 7801, 23403, 35467, 106401, 328987, 986961, 9540623, 28621869

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 -28621868
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 28621869 can be divided by 16 positive divisors. The sum of these divisors (counting 28621869) is 1, the average is 0.0625.

Base conversion 28621869

Base System Value
2 Binary 1101101001011110000101101
3 Ternary 1222212010211020
4 Quaternary 1231023300231
5 Quinary 24311344434
6 Senary 2501244353
8 Octal 155136055
10 Decimal 28621869
12 Duodecimal 97036b9
16 Hexadecimal 1b4bc2d
20 Vigesimal 8ihed9
36 Base36 h1grx

Cryptographic Hash Functions

md5 2514b99daafc42b37dc5fa630413bf68
sha1 1de76f29bed7615c6bf61b0a53a28238cc453334
sha256 95016585fbaa7aa39444f4dbb499f030917305b4792ed9786b29c041806dfad4
sha512 0128afd372acd95e7aeb4f41271f7770e967899348fbfe1d094e0393664bde318d6c8a5bd9c4404cafad44a8fa0004a0227adb431d3dd9da4fa85b288bc21367
ripemd-160 3c04cbd8146ea8bea9151cba709b4c5e15f4d1f4

28621869 as geometric shapes

Circle

Radius = n
Diameter 57243738
Circumference 179836506.76482
Area 2.5736284690201E+15

Sphere

Radius = n
Volume 9.8216075859953E+22
Surface area 1.0294513876081E+16
Circumference 179836506.76482

Square

Length = n
Perimeter 114487476
Area 819211385053161
Diagonal 40477435.320266

Cube

Length = n
Surface area 4915268310318966
Volume 2.34473609463E+22
Space diagonal 49574531.315581

Equilateral Triangle

Length = n
Perimeter 85865607
Area 3.5472893526274E+14
Altitude 24787265.65779

Triangular Pyramid

Length = n
Surface area 3.5472893526274E+14
Volume 2.7632979876762E+21
Height 13492478.440089