397888940 (number)

397888940 is an even 9-digits composite number following 397888939 and preceding 397888941. In scientific notation, it is written as 3.97888940 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors. There are 159155568 positive integers (up to 397888940) that are relatively prime to 397888940.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven million eight hundred eighty-eight thousand nine hundred forty

Notation

Scientific notation 3.97888940 × 10^8
Engineering notation 3.97888940 × 10^6

Prime Factorization of 397888940

Prime Factorization 2 × 2 × 5 × 19894447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 198944470
Product of the distinct prime numbers

The prime factorization of 397888940 is 2 × 2 × 5 × 19894447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 40, 63, 94, 223, 6407, 4740, 70444, 78855, 585553, 107938, 9310122, 9907589, 35702959, 76085639, 235113648, 146858373, 7319247968, 5512292442

Basic calculations (n = 397888940)

Multiplication

n×y
n×2 795777880
n×3 1193666820
n×4 1591555760
n×5 1989444700

Division

n÷y
n÷2 198944470
n÷3 132629646.66667
n÷3 99472235
n÷5 79577788

Exponentiation

ny
n2 158315608574323600
n3 6.2992029681093E+25
n4 2.5063831918258E+34
n5 9.972621514294E+42

Nth Root

y√n
2√n 19947.153681666
3√n 735.50781079595
4√n 141.23439270116
5√n 52.47499108501

Divisors of 397888940

1, 2, 4, 5, 10, 20, 19894447, 39788894, 79577788, 99472235, 198944470, 397888940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -397888939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 397888940 can be divided by 12 positive divisors. The sum of these divisors (counting 397888940) is 1, the average is 0.083333333333333.

Base conversion 397888940

Base System Value
2 Binary 10111101101110100110110101100
3 Ternary 1000201200212000102
4 Quaternary 113231310312230
5 Quinary 1303324421230
6 Senary 103252050232
8 Octal 2755646654
10 Decimal 397888940
12 Duodecimal b1303978
16 Hexadecimal 17b74dac
20 Vigesimal 646g270
36 Base36 6kw52k

Cryptographic Hash Functions

md5 c548646eb71c80841c3c413c5e0295b6
sha1 816730369a9c9d8f9fd43bdf902d42a231b08813
sha256 52fc3a23f8ed69d1d1504c792f06681507b80a6ea9d9b61b120bcc506501776b
sha512 4859e78c27dcd464bc15ac8ca1ed807448afb01b6efab28476bf12613890c5ff032126fa2618ca31d9afcf3040e165c850b98a8539087ef6315880ac28a58d13
ripemd-160 4089c3e8aa01ed26944b89dbbf918aa3f41b9805

397888940 as geometric shapes

Circle

Radius = n
Diameter 795777880
Circumference 2500009941.6973
Area 4.9736315284569E+17

Sphere

Radius = n
Volume 2.6386039690777E+26
Surface area 1.9894526113828E+18
Circumference 2500009941.6973

Square

Length = n
Perimeter 1591555760
Area 158315608574323600
Diagonal 562699935.26625

Cube

Length = n
Surface area 949893651445941600
Volume 6.2992029681093E+25
Space diagonal 689163859.84972

Equilateral Triangle

Length = n
Perimeter 1193666820
Area 6.8552669420479E+16
Altitude 344581929.92486

Triangular Pyramid

Length = n
Surface area 6.8552669420479E+16
Volume 7.4236818913675E+24
Height 187566645.08875