2145871 (number)

2145871 is an odd 7-digits composite number following 2145870 and preceding 2145872. In scientific notation, it is written as 2.145871 × 10^6. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 1697760 positive integers (up to 2145871) that are relatively prime to 2145871.

Interesting facts

Basic properties

Name

Name two million one hundred forty-five thousand eight hundred seventy-one

Notation

Scientific notation 2.145871 × 10^6
Engineering notation 2.145871 × 10^6

Prime Factorization of 2145871

Prime Factorization 13 × 7 × 23581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2145871
Product of the distinct prime numbers

The prime factorization of 2145871 is 13 × 7 × 23581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2145871)

Multiplication

n×y
n×2 4291742
n×3 6437613
n×4 8583484
n×5 10729355

Division

n÷y
n÷2 1072935.5
n÷3 715290.33333333
n÷3 536467.75
n÷5 429174.2

Exponentiation

ny
n2 4604762348641
n3 9.8812259858406E+18
n4 2.1203836287462E+25
n5 4.5500697378012E+31

Nth Root

y√n
2√n 1464.879175905
3√n 128.98361268509
4√n 38.273740030274
5√n 18.463784478008

Divisors of 2145871

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 -2145870
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 2145871 can be divided by 8 positive divisors. The sum of these divisors (counting 2145871) is 1, the average is 0.125.

Base conversion 2145871

Base System Value
2 Binary 1000001011111001001111
3 Ternary 11001000120201
4 Quaternary 20023321033
5 Quinary 1022131441
6 Senary 113554331
8 Octal 10137117
10 Decimal 2145871
12 Duodecimal 8759a7
16 Hexadecimal 20be4f
20 Vigesimal d84db
36 Base36 19zrj

Cryptographic Hash Functions

md5 448fd29befecca92fd4dbedb375f6804
sha1 af11932903db20044f40e9827c21c6d6a57af80b
sha256 3e00ab2b39eff5561f38d8aa10a0afdfcf639eae429338db097883e991635970
sha512 134243bd96a06b3e583b21f650b71275ca363d756196735bbccbc20a7a59aef2c014b0ea4611a1ff007a5be53b57e85754f602f06fdc891a982025e9c7f55d6e
ripemd-160 30ac1f1c5bf2037b39a7713580c90d189dffcac7

2145871 as geometric shapes

Circle

Radius = n
Diameter 4291742
Circumference 13482905.138303
Area 14466287566017

Sphere

Radius = n
Volume 4.139038262077E+19
Surface area 57865150264070
Circumference 13482905.138303

Square

Length = n
Perimeter 8583484
Area 4604762348641
Diagonal 3034719.8713031

Cube

Length = n
Surface area 27628574091846
Volume 9.8812259858406E+18
Space diagonal 3716757.5984886

Equilateral Triangle

Length = n
Perimeter 6437613
Area 1993920586156.6
Altitude 1858378.7992443

Triangular Pyramid

Length = n
Surface area 1993920586156.6
Volume 1.1645136501708E+18
Height 1011573.2904344