31897072 (number)

31897072 is an even 8-digits composite number following 31897071 and preceding 31897073. In scientific notation, it is written as 3.1897072 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 15921728 positive integers (up to 31897072) that are relatively prime to 31897072.

Interesting facts

Basic properties

Name

Name thirty-one million eight hundred ninety-seven thousand seventy-two

Notation

Scientific notation 3.1897072 × 10^7
Engineering notation 3.1897072 × 10^6

Prime Factorization of 31897072

Prime Factorization 2 × 2 × 2 × 2 × 2579 × 773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3987134
Product of the distinct prime numbers

The prime factorization of 31897072 is 2 × 2 × 2 × 2 × 2579 × 773. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31897072)

Multiplication

n×y
n×2 63794144
n×3 95691216
n×4 127588288
n×5 159485360

Division

n÷y
n÷2 15948536
n÷3 10632357.333333
n÷3 7974268
n÷5 6379414.4

Exponentiation

ny
n2 1017423202173184
n3 3.2452821134189E+22
n4 1.0351499723203E+30
n5 3.30182531979E+37

Nth Root

y√n
2√n 5647.7492862201
3√n 317.13945308454
4√n 75.151508875206
5√n 31.677446327298

Divisors of 31897072

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 -31897071
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 31897072 can be divided by 20 positive divisors. The sum of these divisors (counting 31897072) is 1, the average is 0.05.

Base conversion 31897072

Base System Value
2 Binary 1111001101011010111110000
3 Ternary 2020000112120001
4 Quaternary 1321223113300
5 Quinary 31131201242
6 Senary 3055355344
8 Octal 171532760
10 Decimal 31897072
12 Duodecimal a822b54
16 Hexadecimal 1e6b5f0
20 Vigesimal 9j72dc
36 Base36 iznxs

Cryptographic Hash Functions

md5 07e9f9fa4815831e69bf6ba8a1902764
sha1 505ccabcabceb152bcc07dae2ba1d337be4c380e
sha256 8d7e3f6caf0064e9a98fc2916b3158892a7bb019c5e07b828ecc6f1a3b40076e
sha512 972628c136b03d8b8f4a776cd9092783fe343d5b2c3e8bfbe575e9a1291b00129b3f41afc24d11c0c088027f8f5df12fdbff0427971db726b20295eee31f8ec8
ripemd-160 10a22b0ffd4a59ce8c1abc07d59f078e07f935cb

31897072 as geometric shapes

Circle

Radius = n
Diameter 63794144
Circumference 200415214.13245
Area 3.1963292575391E+15

Sphere

Radius = n
Volume 1.3593805928457E+23
Surface area 1.2785317030156E+16
Circumference 200415214.13245

Square

Length = n
Perimeter 127588288
Area 1017423202173184
Diagonal 45109271.822391

Cube

Length = n
Surface area 6104539213039104
Volume 3.2452821134189E+22
Space diagonal 55247349.316683

Equilateral Triangle

Length = n
Perimeter 95691216
Area 4.4055716974084E+14
Altitude 27623674.658341

Triangular Pyramid

Length = n
Surface area 4.4055716974084E+14
Volume 3.8246016487698E+21
Height 15036423.940797