28931631 (number)

28931631 is an odd 8-digits composite number following 28931630 and preceding 28931632. In scientific notation, it is written as 2.8931631 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 18358560 positive integers (up to 28931631) that are relatively prime to 28931631.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand six hundred thirty-one

Notation

Scientific notation 2.8931631 × 10^7
Engineering notation 2.8931631 × 10^6

Prime Factorization of 28931631

Prime Factorization 3 × 23 × 1831 × 229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931631
Product of the distinct prime numbers

The prime factorization of 28931631 is 3 × 23 × 1831 × 229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 45, 84, 484, 648, 1235, 2148, 6384, 77385, 771931, 714869, 342685, 8563237, 46076457, 65048882, 251241277, 718537605, 3192842666, 5111198929

Basic calculations (n = 28931631)

Multiplication

n×y
n×2 57863262
n×3 86794893
n×4 115726524
n×5 144658155

Division

n÷y
n÷2 14465815.5
n÷3 9643877
n÷3 7232907.75
n÷5 5786326.2

Exponentiation

ny
n2 837039272320161
n3 2.4216911359275E+22
n4 7.0063474340626E+29
n5 2.027050586201E+37

Nth Root

y√n
2√n 5378.8131590528
3√n 306.99005439103
4√n 73.340392411364
5√n 31.065230722151

Divisors of 28931631

1, 3, 23, 69, 229, 687, 1831, 5267, 5493, 15801, 42113, 126339, 419299, 1257897, 9643877, 28931631

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931630
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931631 can be divided by 16 positive divisors. The sum of these divisors (counting 28931631) is 1, the average is 0.0625.

Base conversion 28931631

Base System Value
2 Binary 1101110010111011000101111
3 Ternary 2000102212201220
4 Quaternary 1232113120233
5 Quinary 24401303011
6 Senary 2512034423
8 Octal 156273057
10 Decimal 28931631
12 Duodecimal 9832a13
16 Hexadecimal 1b9762f
20 Vigesimal 90g91b
36 Base36 h83sf

Cryptographic Hash Functions

md5 55ce43169c742b9ee927127c2b743819
sha1 415a1ad1da45454f3a842c6388cdbcc43561603e
sha256 2d5872b1883a90c06dc62e7ac02171e0899053dc1a2e99c812498a3c80b667a1
sha512 df3f3e63ee3dcfdb062043f276e8a756f683caf446ab55a4ed239d225d0840948ad0f2503e03fe01b7515fbdcaa6b7ae163e926483caf0640e0ae4bdd49f39d2
ripemd-160 4a96d3713e50fe8be20d8f6655875edf3925de9b

28931631 as geometric shapes

Circle

Radius = n
Diameter 57863262
Circumference 181782798.81194
Area 2.6296364286872E+15

Sphere

Radius = n
Volume 1.0143956109191E+23
Surface area 1.0518545714749E+16
Circumference 181782798.81194

Square

Length = n
Perimeter 115726524
Area 837039272320161
Diagonal 40915504.941774

Cube

Length = n
Surface area 5022235633920966
Volume 2.4216911359275E+22
Space diagonal 50111054.837835

Equilateral Triangle

Length = n
Perimeter 86794893
Area 3.6244863689725E+14
Altitude 25055527.418917

Triangular Pyramid

Length = n
Surface area 3.6244863689725E+14
Volume 2.8539903735895E+21
Height 13638501.647258