861438961 (number)

861438961 is an odd 9-digits composite number following 861438960 and preceding 861438962. In scientific notation, it is written as 8.61438961 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 854612352 positive integers (up to 861438961) that are relatively prime to 861438961.

Interesting facts

Basic properties

Name

Name eight hundred sixty-one million four hundred thirty-eight thousand nine hundred sixty-one

Notation

Scientific notation 8.61438961 × 10^8
Engineering notation 8.61438961 × 10^6

Prime Factorization of 861438961

Prime Factorization 353 × 199 × 12263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 861438961
Product of the distinct prime numbers

The prime factorization of 861438961 is 353 × 199 × 12263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 4, 25, 27, 250, 298, 5773, 6521, 39363, 28794, 353355, 645317, 9173775, 1814091, 60291280, 33457333, 968164601, 620012007, 9788669205, 1996369446

Basic calculations (n = 861438961)

Multiplication

n×y
n×2 1722877922
n×3 2584316883
n×4 3445755844
n×5 4307194805

Division

n÷y
n÷2 430719480.5
n÷3 287146320.33333
n÷3 215359740.25
n÷5 172287792.2

Exponentiation

ny
n2 742077083528759521
n3 6.3925411181692E+26
n4 5.5067839789855E+35
n5 4.7437582693087E+44

Nth Root

y√n
2√n 29350.280424555
3√n 951.49863593413
4√n 171.31923541901
5√n 61.241370633564

Divisors of 861438961

1, 199, 353, 12263, 70247, 2440337, 4328839, 861438961

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 -861438960
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 861438961 can be divided by 8 positive divisors. The sum of these divisors (counting 861438961) is 1, the average is 0.125.

Base conversion 861438961

Base System Value
2 Binary 110011010110001000001111110001
3 Ternary 2020000221122002201
4 Quaternary 303112020033301
5 Quinary 3231012021321
6 Senary 221251343201
8 Octal 6326101761
10 Decimal 861438961
12 Duodecimal 2005b1b01
16 Hexadecimal 335883f1
20 Vigesimal d93jh81
36 Base36 e8vmk1

Cryptographic Hash Functions

md5 112c02bacbef0eb38cdf5b6077e4ab9e
sha1 d588f5f30ffb390c453dfbb35189148a92a22ec6
sha256 109b38cd7c81f54357e3131b73b6a94d05c58477271ba6c70ac8ac5bdb110494
sha512 e9442f8c828c71e5acb2bbe45ef47244afbf3aacc62f0c2dee221c3bfb5777a9d5239a92a14d90b547ea7aa2d51ca8fd25d8e6a6227af9710a90e195b7d1aa6d
ripemd-160 9a74f7f636517c60ceb1415a8a9af6489ae0fd52

861438961 as geometric shapes

Circle

Radius = n
Diameter 1722877922
Circumference 5412580622.7872
Area 2.3313039140113E+18

Sphere

Radius = n
Volume 2.6777013619482E+27
Surface area 9.3252156560452E+18
Circumference 5412580622.7872

Square

Length = n
Perimeter 3445755844
Area 742077083528759521
Diagonal 1218258661.8028

Cube

Length = n
Surface area 4452462501172557126
Volume 6.3925411181692E+26
Space diagonal 1492056048.0713

Equilateral Triangle

Length = n
Perimeter 2584316883
Area 3.2132880295109E+17
Altitude 746028024.03567

Triangular Pyramid

Length = n
Surface area 3.2132880295109E+17
Volume 7.5336819561189E+25
Height 406086220.60093