393400981 (number)

393400981 is an odd 9-digits composite number following 393400980 and preceding 393400982. In scientific notation, it is written as 3.93400981 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 387522480 positive integers (up to 393400981) that are relatively prime to 393400981.

Interesting facts

Basic properties

Name

Name three hundred ninety-three million four hundred thousand nine hundred eighty-one

Notation

Scientific notation 3.93400981 × 10^8
Engineering notation 3.93400981 × 10^6

Prime Factorization of 393400981

Prime Factorization 103 × 191 × 19997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 393400981
Product of the distinct prime numbers

The prime factorization of 393400981 is 103 × 191 × 19997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 97, 25, 873, 349, 4554, 4108, 88411, 41121, 432531, 902301, 6356319, 3705062, 85607784, 75363204, 884495509, 182008399, 6027074589, 5827344030

Basic calculations (n = 393400981)

Multiplication

n×y
n×2 786801962
n×3 1180202943
n×4 1573603924
n×5 1967004905

Division

n÷y
n÷2 196700490.5
n÷3 131133660.33333
n÷3 98350245.25
n÷5 78680196.2

Exponentiation

ny
n2 154764331851762361
n3 6.0884439974293E+25
n4 2.3951998413522E+34
n5 9.4227396727902E+42

Nth Root

y√n
2√n 19834.338431115
3√n 732.73197916063
4√n 140.83443624027
5√n 52.356075789699

Divisors of 393400981

1, 103, 191, 19673, 19997, 2059691, 3819427, 393400981

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 -393400980
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 393400981 can be divided by 8 positive divisors. The sum of these divisors (counting 393400981) is 1, the average is 0.125.

Base conversion 393400981

Base System Value
2 Binary 10111011100101101001010010101
3 Ternary 1000102020211200201
4 Quaternary 113130231022111
5 Quinary 1301202312411
6 Senary 103011540501
8 Octal 2734551225
10 Decimal 393400981
12 Duodecimal ab8ba731
16 Hexadecimal 1772d295
20 Vigesimal 62if291
36 Base36 6i7y51

Cryptographic Hash Functions

md5 d7f58721c2a608905c7a3e8701d4640e
sha1 c9dd81c281600953ddedefa805e987a953bca792
sha256 fe82a85a49cd5115c2abca0fe4626d2837cf3cac5333d51694f0cfda3eca7c08
sha512 a34f0fac30a00073ff71a00d1dc85580fb5e331b2e76d52cdf51a04e9415afae3c6d98f775e825ccbdde63ed74fb0391c2d411631e769be0a136433b9a455b77
ripemd-160 a5e06d35a3e1aba3d393103589e9b4059e2d4275

393400981 as geometric shapes

Circle

Radius = n
Diameter 786801962
Circumference 2471811263.6492
Area 4.8620648798323E+17

Sphere

Radius = n
Volume 2.5503214578822E+26
Surface area 1.9448259519329E+18
Circumference 2471811263.6492

Square

Length = n
Perimeter 1573603924
Area 154764331851762361
Diagonal 556353002.78108

Cube

Length = n
Surface area 928585991110574166
Volume 6.0884439974293E+25
Space diagonal 681390486.83944

Equilateral Triangle

Length = n
Perimeter 1180202943
Area 6.7014921491676E+16
Altitude 340695243.41972

Triangular Pyramid

Length = n
Surface area 6.7014921491676E+16
Volume 7.175300062428E+24
Height 185451000.92703