28931672 is an even 8-digits composite number following 28931671
and preceding 28931673 . In scientific notation, it is written as 2.8931672 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 11088000 positive integers (up to 28931672) that are relatively prime to 28931672.
28931672 has 32 divisors, whose sum is 55851120
The reverse of 28931672 is 27613982
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million nine hundred thirty-one thousand six hundred seventy-two
Scientific notation
2.8931672 × 10^7
Engineering notation
2.8931672 × 10^6
Prime Factorization
2 × 2 × 2 × 77 × 67 × 701
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7232918
Product of the distinct prime numbers
The prime factorization of 28931672 is 2 × 2 × 2 × 77 × 67 × 701.
Since it has a total of 6 prime factors.
10 , 9 , 65 , 73 , 893 , 215 , 7996 , 3289 , 40760 , 35065 , 753026 , 782870 , 6116478 , 937345 , 37334218 , 29262128 , 676133491 , 541858149 , 2025674359 , 9551426076
n×2
57863344
n×3
86795016
n×4
115726688
n×5
144658360
n÷2
14465836
n÷3
9643890.6666667
n÷3
7232918
n÷5
5786334.4
n2
837041644715584
n3
2.4217014315252E+22
n4
7.0063871498817E+29
n5
2.0270649492539E+37
2 √n
5378.8169703012
3 √n
306.99019940632
4 √n
73.340418394642
5 √n
31.065239526865
1 , 2 , 4 , 8 , 67 , 77 , 134 , 154 , 268 , 308 , 536 , 616 , 701 , 1402 , 2804 , 5159 , 5608 , 10318 , 20636 , 41272 , 46967 , 53977 , 93934 , 107954 , 187868 , 215908 , 375736 , 431816 , 3616459 , 7232918 , 14465836 , 28931672
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
-28931671
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 28931672 can be divided by 32 positive divisors.
The sum of these divisors (counting 28931672) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010111011001011000
3
Ternary
2000102212210102
4
Quaternary
1232113121120
5
Quinary
24401303142
6
Senary
2512034532
8
Octal
156273130
10
Decimal
28931672
12
Duodecimal
9832a48
16
Hexadecimal
1b97658
20
Vigesimal
90g93c
36
Base36
h83tk
md5
89c2bc3ab458cd1cfec62adf7836fb19
sha1
862c99be9efb97a9f7562b36fac2102ea72824b8
sha256
50d9ca7c234e7935d83d50bb46c7c6a8c79cc58da724272f7f4b66052dd59090
sha512
d2aad65aac47788e62843f20bea04e90d9884ea55ad733fa4df577038298264cec18fe5f01006437e7a6cf17f2b835f7e997e6e1f1a2e6ac9b7dde0cd9132590
ripemd-160
0481926513fb7b115b876a58797c7b4450424ffc
Diameter
57863344
Circumference
181783056.42254
Area
2.6296438817872E+15
Volume
1.014399923529E+23
Surface area
1.0518575527149E+16
Circumference
181783056.42254
Perimeter
115726688
Area
837041644715584
Diagonal
40915562.92453
Surface area
5022249868293504
Volume
2.4217014315252E+22
Space diagonal
50111125.851918
Perimeter
86795016
Area
3.624496641746E+14
Altitude
25055562.925959
Surface area
3.624496641746E+14
Volume
2.8540025070677E+21
Height
13638520.974843