861361939 (number)

861361939 is an odd 9-digits composite number following 861361938 and preceding 861361940. In scientific notation, it is written as 8.61361939 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 814189320 positive integers (up to 861361939) that are relatively prime to 861361939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.61361939 × 10^8
Engineering notation 8.61361939 × 10^6

Prime Factorization of 861361939

Prime Factorization 31 × 43 × 646183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 861361939
Product of the distinct prime numbers

The prime factorization of 861361939 is 31 × 43 × 646183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 47, 94, 294, 830, 6207, 5779, 79428, 73279, 817092, 195763, 2629739, 8765304, 95204862, 13995700, 609692766, 947117912, 1629072580, 7833826571

Basic calculations (n = 861361939)

Multiplication

n×y
n×2 1722723878
n×3 2584085817
n×4 3445447756
n×5 4306809695

Division

n÷y
n÷2 430680969.5
n÷3 287120646.33333
n÷3 215340484.75
n÷5 172272387.8

Exponentiation

ny
n2 741944389957839721
n3 6.3908265836426E+26
n4 5.5048147778991E+35
n5 4.741637930927E+44

Nth Root

y√n
2√n 29348.968278289
3√n 951.47027698453
4√n 171.31540584048
5√n 61.240275465649

Divisors of 861361939

1, 31, 43, 1333, 646183, 20031673, 27785869, 861361939

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 -861361938
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 861361939 can be divided by 8 positive divisors. The sum of these divisors (counting 861361939) is 1, the average is 0.125.

Base conversion 861361939

Base System Value
2 Binary 110011010101110101011100010011
3 Ternary 2020000210201110001
4 Quaternary 303111311130103
5 Quinary 3231002040224
6 Senary 221245550431
8 Octal 6325653423
10 Decimal 861361939
12 Duodecimal 200575417
16 Hexadecimal 33575713
20 Vigesimal d93a4gj
36 Base36 e8tz4j

Cryptographic Hash Functions

md5 161eb20673e04dd810d51421f4dfb258
sha1 389a02dce10c1bb7814259164498a25215c0840b
sha256 1889029c54f16da1ab9f4d116e48aed889d8983a36ba44bb0edf4f84b89a99a3
sha512 555199756ddfc84ed405862609d63492fe4f2e26f16c7e0a413abcf7d36b951647055ebab3bfc98086995338eeab1d5bb926d22b25ffa04c3c4e992601189ca6
ripemd-160 fecd4ab4c5bdc5435105517ed32fac16a36b45d6

861361939 as geometric shapes

Circle

Radius = n
Diameter 1722723878
Circumference 5412096679.2885
Area 2.3308870448637E+18

Sphere

Radius = n
Volume 2.676983179405E+27
Surface area 9.3235481794548E+18
Circumference 5412096679.2885

Square

Length = n
Perimeter 3445447756
Area 741944389957839721
Diagonal 1218149736.2458

Cube

Length = n
Surface area 4451666339747038326
Volume 6.3908265836426E+26
Space diagonal 1491922642.054

Equilateral Triangle

Length = n
Perimeter 2584085817
Area 3.2127134494942E+17
Altitude 745961321.02702

Triangular Pyramid

Length = n
Surface area 3.2127134494942E+17
Volume 7.5316613578015E+25
Height 406049912.08193