387712961 (number)

387712961 is an odd 9-digits composite number following 387712960 and preceding 387712962. In scientific notation, it is written as 3.87712961 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 381693312 positive integers (up to 387712961) that are relatively prime to 387712961.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million seven hundred twelve thousand nine hundred sixty-one

Notation

Scientific notation 3.87712961 × 10^8
Engineering notation 3.87712961 × 10^6

Prime Factorization of 387712961

Prime Factorization 79 × 353 × 13903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 387712961
Product of the distinct prime numbers

The prime factorization of 387712961 is 79 × 353 × 13903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 57, 34, 593, 355, 4767, 4522, 2382, 62115, 831512, 219410, 6915646, 2939153, 73001365, 18673351, 905093441, 644591984, 164608481, 6805218517

Basic calculations (n = 387712961)

Multiplication

n×y
n×2 775425922
n×3 1163138883
n×4 1550851844
n×5 1938564805

Division

n÷y
n÷2 193856480.5
n÷3 129237653.66667
n÷3 96928240.25
n÷5 77542592.2

Exponentiation

ny
n2 150321340127387521
n3 5.8281531882278E+25
n4 2.2596505297694E+34
n5 8.760957977221E+42

Nth Root

y√n
2√n 19690.428156848
3√n 729.18339974589
4√n 140.32258605388
5√n 52.203793596687

Divisors of 387712961

1, 79, 353, 13903, 27887, 1098337, 4907759, 387712961

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 -387712960
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 387712961 can be divided by 8 positive divisors. The sum of these divisors (counting 387712961) is 1, the average is 0.125.

Base conversion 387712961

Base System Value
2 Binary 10111000111000000011111000001
3 Ternary 1000000112212012022
4 Quaternary 113013000133001
5 Quinary 1243223303321
6 Senary 102250011225
8 Octal 2707003701
10 Decimal 387712961
12 Duodecimal a9a16b15
16 Hexadecimal 171c07c1
20 Vigesimal 6134281
36 Base36 6eu18h

Cryptographic Hash Functions

md5 7d5f12c8c7ed9edd023c216e00f5ca3d
sha1 833f4d8846133b734afc3811fbb7e129f4573245
sha256 eb21bb9e4c0e81091f532898af732d8dc062a35586d2c55bdfd818d4b9efe189
sha512 6f2707a8bae3c3f1f5032e9789ce54b17b3830db77f5230078d007431a86e1ed286a4d029b9a4bb6dee96e7b13f2ef63673d210709b50747e38246410d8768ce
ripemd-160 b83b06371667ecc4b794776cd0e50935fa539f4e

387712961 as geometric shapes

Circle

Radius = n
Diameter 775425922
Circumference 2436072379.9583
Area 4.7224841782197E+17

Sphere

Radius = n
Volume 2.4412910986843E+26
Surface area 1.8889936712879E+18
Circumference 2436072379.9583

Square

Length = n
Perimeter 1550851844
Area 150321340127387521
Diagonal 548308927.75403

Cube

Length = n
Surface area 901928040764325126
Volume 5.8281531882278E+25
Space diagonal 671538547.20497

Equilateral Triangle

Length = n
Perimeter 1163138883
Area 6.5091049640619E+16
Altitude 335769273.60249

Triangular Pyramid

Length = n
Surface area 6.5091049640619E+16
Volume 6.8685444019831E+24
Height 182769642.58468