642646871 (number)

642646871 is an odd 9-digits composite number following 642646870 and preceding 642646872. In scientific notation, it is written as 6.42646871 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 640375752 positive integers (up to 642646871) that are relatively prime to 642646871.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42646871 × 10^8
Engineering notation 6.42646871 × 10^6

Prime Factorization of 642646871

Prime Factorization 283 × 2270837

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642646871
Product of the distinct prime numbers

The prime factorization of 642646871 is 283 × 2270837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 87, 29, 75, 741, 9713, 641, 27826, 31621, 590774, 797264, 9471554, 4999329, 380963, 54065224, 269449458, 748575125, 9611749391, 9763835013

Basic calculations (n = 642646871)

Multiplication

n×y
n×2 1285293742
n×3 1927940613
n×4 2570587484
n×5 3213234355

Division

n÷y
n÷2 321323435.5
n÷3 214215623.66667
n÷3 160661717.75
n÷5 128529374.2

Exponentiation

ny
n2 412995000806090641
n3 2.6540994500668E+26
n4 1.7056487069082E+35
n5 1.0961298045198E+44

Nth Root

y√n
2√n 25350.480685778
3√n 862.96026504521
4√n 159.21834280565
5√n 57.755650474007

Divisors of 642646871

1, 283, 2270837, 642646871

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642646870
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642646871 can be divided by 4 positive divisors. The sum of these divisors (counting 642646871) is 1, the average is 0.25.

Base conversion 642646871

Base System Value
2 Binary 100110010011100000001101010111
3 Ternary 1122210020211202222
4 Quaternary 212103200031113
5 Quinary 2304004144441
6 Senary 143434052555
8 Octal 4623401527
10 Decimal 642646871
12 Duodecimal 15b27a15b
16 Hexadecimal 264e0357
20 Vigesimal a0gah3b
36 Base36 amm5hz

Cryptographic Hash Functions

md5 7107d07dfccab3e2e81b6c1831a33195
sha1 b7503a3aa0db39971fcf19cce47ad00d0a5f4dee
sha256 a3e2727871f4dca7c7c85062b0bb1e518a6caadd610df99f013beba0518ad975
sha512 e05fe03e6a747eda25b256d4380afea322502c6d4459e8f3d506d5156e2536d250414745a96ad2c6dce9d270483b3bc82fe772a54a86d5886d37ab6922c43ea1
ripemd-160 a27e75ffccabae1cb2827798c239b7c6a5642597

642646871 as geometric shapes

Circle

Radius = n
Diameter 1285293742
Circumference 4037869377.5721
Area 1.2974620605017E+18

Sphere

Radius = n
Volume 1.1117465778969E+27
Surface area 5.1898482420069E+18
Circumference 4037869377.5721

Square

Length = n
Perimeter 2570587484
Area 412995000806090641
Diagonal 908839920.78483

Cube

Length = n
Surface area 2477970004836543846
Volume 2.6540994500668E+26
Space diagonal 1113097031.8972

Equilateral Triangle

Length = n
Perimeter 1927940613
Area 1.7883208116702E+17
Altitude 556548515.94858

Triangular Pyramid

Length = n
Surface area 1.7883208116702E+17
Volume 3.1278861984762E+25
Height 302946640.26161