31397788 (number)

31397788 is an even 8-digits composite number following 31397787 and preceding 31397789. In scientific notation, it is written as 3.1397788 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 15663920 positive integers (up to 31397788) that are relatively prime to 31397788.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred ninety-seven thousand seven hundred eighty-eight

Notation

Scientific notation 3.1397788 × 10^7
Engineering notation 3.1397788 × 10^6

Prime Factorization of 31397788

Prime Factorization 2 × 2 × 461 × 17027

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15698894
Product of the distinct prime numbers

The prime factorization of 31397788 is 2 × 2 × 461 × 17027. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 64, 59, 153, 319, 6885, 84, 86406, 9392, 101591, 798379, 7742489, 4113057, 38205895, 57071817, 22658681, 50985223, 531296553, 2583261851

Basic calculations (n = 31397788)

Multiplication

n×y
n×2 62795576
n×3 94193364
n×4 125591152
n×5 156988940

Division

n÷y
n÷2 15698894
n÷3 10465929.333333
n÷3 7849447
n÷5 6279557.6

Exponentiation

ny
n2 985821091292944
n3 3.0952601630345E+22
n4 9.7184322403801E+29
n5 3.0513727517582E+37

Nth Root

y√n
2√n 5603.3729128089
3√n 315.47601834656
4√n 74.85568056473
5√n 31.577650272673

Divisors of 31397788

1, 2, 4, 461, 922, 1844, 17027, 34054, 68108, 7849447, 15698894, 31397788

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 -31397787
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 31397788 can be divided by 12 positive divisors. The sum of these divisors (counting 31397788) is 1, the average is 0.083333333333333.

Base conversion 31397788

Base System Value
2 Binary 1110111110001011110011100
3 Ternary 2012002011200001
4 Quaternary 1313301132130
5 Quinary 31014212123
6 Senary 3040544044
8 Octal 167613634
10 Decimal 31397788
12 Duodecimal a622024
16 Hexadecimal 1df179c
20 Vigesimal 9g4e98
36 Base36 ioyos

Cryptographic Hash Functions

md5 3692c13c3c1c126e576041520019a453
sha1 60c81f145b3f4c0d00e2bf757157f021bb4cf955
sha256 ac4a19f4c9a56bf01c2c98f81b4e3819771cd34354a864fff60cc03be93bc974
sha512 c256356e06bc1590643d63f1d6655b42b5d4c33b7d6f18d107dabb2aed78f4fcea4c9dc3200c84fb944cbe743728026ec6531c3c533313c0bb21c5790e4c67b5
ripemd-160 65c1e4e4a7f8efafc26f0d5e9ff25c86b0bba6ec

31397788 as geometric shapes

Circle

Radius = n
Diameter 62795576
Circumference 197278120.23954
Area 3.0970482981598E+15

Sphere

Radius = n
Volume 1.2965395452184E+23
Surface area 1.2388193192639E+16
Circumference 197278120.23954

Square

Length = n
Perimeter 125591152
Area 985821091292944
Diagonal 44403177.618115

Cube

Length = n
Surface area 5914926547757664
Volume 3.0952601630345E+22
Space diagonal 54382564.061276

Equilateral Triangle

Length = n
Perimeter 94193364
Area 4.2687305432309E+14
Altitude 27191282.030638

Triangular Pyramid

Length = n
Surface area 4.2687305432309E+14
Volume 3.6477990846971E+21
Height 14801059.206038