393896991 (number)

393896991 is an odd 9-digits composite number following 393896990 and preceding 393896992. In scientific notation, it is written as 3.93896991 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 262597992 positive integers (up to 393896991) that are relatively prime to 393896991.

Interesting facts

Basic properties

Name

Name three hundred ninety-three million eight hundred ninety-six thousand nine hundred ninety-one

Notation

Scientific notation 3.93896991 × 10^8
Engineering notation 3.93896991 × 10^6

Prime Factorization of 393896991

Prime Factorization 3 × 131298997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 393896991
Product of the distinct prime numbers

The prime factorization of 393896991 is 3 × 131298997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 43, 48, 231, 972, 2889, 4643, 43936, 53830, 777412, 182307, 8681598, 3631334, 4250669, 47083336, 11219504, 702526112, 4751374493, 6132349655

Basic calculations (n = 393896991)

Multiplication

n×y
n×2 787793982
n×3 1181690973
n×4 1575587964
n×5 1969484955

Division

n÷y
n÷2 196948495.5
n÷3 131298997
n÷3 98474247.75
n÷5 78779398.2

Exponentiation

ny
n2 155154839518854081
n3 6.1115024425565E+25
n4 2.4073024226121E+34
n5 9.4822918069393E+42

Nth Root

y√n
2√n 19846.838312437
3√n 733.03979888963
4√n 140.87880717992
5√n 52.369271511766

Divisors of 393896991

1, 3, 131298997, 393896991

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 -393896990
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 393896991 can be divided by 4 positive divisors. The sum of these divisors (counting 393896991) is 1, the average is 0.25.

Base conversion 393896991

Base System Value
2 Binary 10111011110100110010000011111
3 Ternary 1000110012001002110
4 Quaternary 113132212100133
5 Quinary 1301314200431
6 Senary 103030325103
8 Octal 2736462037
10 Decimal 393896991
12 Duodecimal abab9793
16 Hexadecimal 177a641f
20 Vigesimal 631h29b
36 Base36 6iikv3

Cryptographic Hash Functions

md5 268bd3346bf9f0696e4879a79674b94b
sha1 9d7f690851f3cfe788e984b4dab284be0246ce53
sha256 38dd42147c0fe31fd605e3d91bcc8a26638d7f6fd0a9477903c056727eb60b5e
sha512 cbd7d2e0d162dfb953dc597c2eddd25d26c844f5b8e03170775b0394d6b783d9200696c953224ef3b2fa889dd95b33c22da29aea51e00d7aa6df4a91c77ce998
ripemd-160 6baa7fd0f522c9c88b84fade2cbeafc1b1d4c398

393896991 as geometric shapes

Circle

Radius = n
Diameter 787793982
Circumference 2474927786.3934
Area 4.8743330400134E+17

Sphere

Radius = n
Volume 2.5599801567909E+26
Surface area 1.9497332160053E+18
Circumference 2474927786.3934

Square

Length = n
Perimeter 1575587964
Area 155154839518854081
Diagonal 557054466.85015

Cube

Length = n
Surface area 930929037113124486
Volume 6.1115024425565E+25
Space diagonal 682249601.3605

Equilateral Triangle

Length = n
Perimeter 1181690973
Area 6.7184016271713E+16
Altitude 341124800.68025

Triangular Pyramid

Length = n
Surface area 6.7184016271713E+16
Volume 7.2024747006164E+24
Height 185684822.28338