31997968 (number)

31997968 is an even 8-digits composite number following 31997967 and preceding 31997969. In scientific notation, it is written as 3.1997968 × 10^7. The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors. There are 15303200 positive integers (up to 31997968) that are relatively prime to 31997968.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred ninety-seven thousand nine hundred sixty-eight

Notation

Scientific notation 3.1997968 × 10^7
Engineering notation 3.1997968 × 10^6

Prime Factorization of 31997968

Prime Factorization 2 × 2 × 2 × 2 × 23 × 86951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3999746
Product of the distinct prime numbers

The prime factorization of 31997968 is 2 × 2 × 2 × 2 × 23 × 86951. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 97, 13, 786, 158, 9276, 7395, 35122, 33741, 799740, 211119, 3268943, 8497294, 1447203, 51101759, 914056772, 667498262, 6578726873, 4408172513

Basic calculations (n = 31997968)

Multiplication

n×y
n×2 63995936
n×3 95993904
n×4 127991872
n×5 159989840

Division

n÷y
n÷2 15998984
n÷3 10665989.333333
n÷3 7999492
n÷5 6399593.6

Exponentiation

ny
n2 1023869956129024
n3 3.2761758092378E+22
n4 1.0483096870636E+30
n5 3.3543779820753E+37

Nth Root

y√n
2√n 5656.6746415186
3√n 317.47349025361
4√n 75.210867841813
5√n 31.697461276126

Divisors of 31997968

1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 86951, 173902, 347804, 695608, 1391216, 1999873, 3999746, 7999492, 15998984, 31997968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31997967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31997968 can be divided by 20 positive divisors. The sum of these divisors (counting 31997968) is 1, the average is 0.05.

Base conversion 31997968

Base System Value
2 Binary 1111010000100000000010000
3 Ternary 2020012122221221
4 Quaternary 1322010000100
5 Quinary 31142413333
6 Senary 3101454424
8 Octal 172040020
10 Decimal 31997968
12 Duodecimal a871414
16 Hexadecimal 1e84010
20 Vigesimal 9jjei8
36 Base36 j1tsg

Cryptographic Hash Functions

md5 4b34561203e46424936d36524a3b1c20
sha1 e537f897f7b4ff2c7426811c4ebbddc465b84144
sha256 3dbdadb53c871c55d20ef5887e059826cd24cfc3c402c16bcec04bc9caa2424d
sha512 3f0147d8aa1cf36e52afb9761c70ef352f01c112ade3cae4309966ba53fc0fc087912b09ace3d98321a6fb15d9df3a539b5f332be3ce698e8c651c4c283f1a09
ripemd-160 4065d6cf8ae81f57a4eed4820a3ee9c6d92dc016

31997968 as geometric shapes

Circle

Radius = n
Diameter 63995936
Circumference 201049162.3972
Area 3.2165823324062E+15

Sphere

Radius = n
Volume 1.3723213138893E+23
Surface area 1.2866329329625E+16
Circumference 201049162.3972

Square

Length = n
Perimeter 127991872
Area 1023869956129024
Diagonal 45251960.31398

Cube

Length = n
Surface area 6143219736774144
Volume 3.2761758092378E+22
Space diagonal 55422106.314963

Equilateral Triangle

Length = n
Perimeter 95993904
Area 4.433486960897E+14
Altitude 27711053.157482

Triangular Pyramid

Length = n
Surface area 4.433486960897E+14
Volume 3.8610102184523E+21
Height 15083986.771327