2642905 (number)

2642905 is an odd 7-digits composite number following 2642904 and preceding 2642906. In scientific notation, it is written as 2.642905 × 10^6. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 1893120 positive integers (up to 2642905) that are relatively prime to 2642905.

Interesting facts

Basic properties

Name

Name two million six hundred forty-two thousand nine hundred five

Notation

Scientific notation 2.642905 × 10^6
Engineering notation 2.642905 × 10^6

Prime Factorization of 2642905

Prime Factorization 5 × 17 × 31 × 17 × 59

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 155465
Product of the distinct prime numbers

The prime factorization of 2642905 is 5 × 17 × 31 × 17 × 59. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2642905)

Multiplication

n×y
n×2 5285810
n×3 7928715
n×4 10571620
n×5 13214525

Division

n÷y
n÷2 1321452.5
n÷3 880968.33333333
n÷3 660726.25
n÷5 528581

Exponentiation

ny
n2 6984946839025
n3 1.8460550925593E+19
n4 4.8789482344005E+25
n5 1.2894596683438E+32

Nth Root

y√n
2√n 1625.7013870942
3√n 138.25913990501
4√n 40.319987439162
5√n 19.249360699899

Divisors of 2642905

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2642904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2642905 can be divided by 24 positive divisors. The sum of these divisors (counting 2642905) is 1, the average is 0.041666666666667.

Base conversion 2642905

Base System Value
2 Binary 1010000101001111011001
3 Ternary 11222021101101
4 Quaternary 22011033121
5 Quinary 1134033110
6 Senary 132351401
8 Octal 12051731
10 Decimal 2642905
12 Duodecimal a75561
16 Hexadecimal 2853d9
20 Vigesimal ga755
36 Base36 1kna1

Cryptographic Hash Functions

md5 2f61d005a8da4ac2e08f51d2332b615f
sha1 51b6166787a47e1320265e91dfc6896302f425f6
sha256 14a51ff2fad7c9980d7a8f2b2643e5ee1797ce99e7a5f6705132103d49eb286d
sha512 b858c8f358fbbbbbc745a0c872f781f4405fd7260bd51adfec99de8b51ce2d768b6147ea726625f2a12e2aca60ef6771bfec52108e3c056fc8c9df613bbd4df9
ripemd-160 d57d6a70227642d628b805bb5285c9def9a91e51

2642905 as geometric shapes

Circle

Radius = n
Diameter 5285810
Circumference 16605861.864271
Area 21943857675196

Sphere

Radius = n
Volume 7.7327374892086E+19
Surface area 87775430700785
Circumference 16605861.864271

Square

Length = n
Perimeter 10571620
Area 6984946839025
Diagonal 3737632.0950637

Cube

Length = n
Surface area 41909681034150
Volume 1.8460550925593E+19
Space diagonal 4577645.7395778

Equilateral Triangle

Length = n
Perimeter 7928715
Area 3024570703339.7
Altitude 2288822.8697889

Triangular Pyramid

Length = n
Surface area 3024570703339.7
Volume 2.1755967906544E+18
Height 1245877.3650212