28431378 is an even 8-digits composite number following 28431377
and preceding 28431379 . In scientific notation, it is written as 2.8431378 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 8919360 positive integers (up to 28431378) that are relatively prime to 28431378.
28431378 has 32 divisors, whose sum is 66899520
The reverse of 28431378 is 87313482
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million four hundred thirty-one thousand three hundred seventy-eight
Scientific notation
2.8431378 × 10^7
Engineering notation
2.8431378 × 10^6
Prime Factorization
2 × 3 × 9 × 17 × 30971
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28431378
Product of the distinct prime numbers
The prime factorization of 28431378 is 2 × 3 × 9 × 17 × 30971.
Since it has a total of 5 prime factors.
8 , 6 , 23 , 38 , 537 , 925 , 7632 , 8119 , 47735 , 41110 , 636913 , 188328 , 9935630 , 5552470 , 92123904 , 80041524 , 652918445 , 11139306 , 3153677265 , 6896576196
n×2
56862756
n×3
85294134
n×4
113725512
n×5
142156890
n÷2
14215689
n÷3
9477126
n÷3
7107844.5
n÷5
5686275.6
n2
808343254978884
n3
2.2982312636055E+22
n4
6.5341881786986E+29
n5
1.8577597403171E+37
2 √n
5332.1082134555
3 √n
305.21038248523
4 √n
73.021286029866
5 √n
30.957050945174
1 , 2 , 3 , 6 , 9 , 17 , 18 , 27 , 34 , 51 , 54 , 102 , 153 , 306 , 459 , 918 , 30971 , 61942 , 92913 , 185826 , 278739 , 526507 , 557478 , 836217 , 1053014 , 1579521 , 1672434 , 3159042 , 4738563 , 9477126 , 14215689 , 28431378
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28431377
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28431378 can be divided by 32 positive divisors.
The sum of these divisors (counting 28431378) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100011101010000010010
3
Ternary
1222111110112000
4
Quaternary
1230131100102
5
Quinary
24234301003
6
Senary
2453214430
8
Octal
154352022
10
Decimal
28431378
12
Duodecimal
9631416
16
Hexadecimal
1b1d412
20
Vigesimal
8hdi8i
36
Base36
gxdsi
md5
73ddef4079b07903bd44e057772e371f
sha1
83428b905ebe1a4929a62ff2d5500eecc68cf78e
sha256
75a023a092b663233e8af84d0bfc754a3d6e7e0e5310cce771f89c0663c19465
sha512
787bb7c51e1f5c7724db0db9c3b58a77d3f7e1016da33803aac062aa0170486913912a0e75cb998c2e98d12aa01a6eba1a853c4a493f32b9ec812824969c3d2f
ripemd-160
29270eefd80bc72190a6fecf56435f9fdd0165d7
Diameter
56862756
Circumference
178639616.51247
Area
2.5394852314205E+15
Volume
9.6268086053246E+22
Surface area
1.0157940925682E+16
Circumference
178639616.51247
Perimeter
113725512
Area
808343254978884
Diagonal
40208040.364556
Surface area
4850059529873304
Volume
2.2982312636055E+22
Space diagonal
49244591.225196
Perimeter
85294134
Area
3.5002289689476E+14
Altitude
24622295.612598
Surface area
3.5002289689476E+14
Volume
2.7084915187173E+21
Height
13402680.121519