28931151 is an odd 8-digits composite number following 28931150
and preceding 28931152 . In scientific notation, it is written as 2.8931151 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 18496800 positive integers (up to 28931151) that are relatively prime to 28931151.
28931151 has 16 divisors, whose sum is 40186368
The reverse of 28931151 is 15113982
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million nine hundred thirty-one thousand one hundred fifty-one
Scientific notation
2.8931151 × 10^7
Engineering notation
2.8931151 × 10^6
Prime Factorization
3 × 71 × 37 × 3671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931151
Product of the distinct prime numbers
The prime factorization of 28931151 is 3 × 71 × 37 × 3671.
Since it has a total of 4 prime factors.
3 , 7 , 21 , 41 , 694 , 732 , 1198 , 2039 , 79823 , 87893 , 571926 , 356371 , 91513 , 4248899 , 79729380 , 89675514 , 54083244 , 263422015 , 4586775746 , 9102492767
n×2
57862302
n×3
86793453
n×4
115724604
n×5
144655755
n÷2
14465575.5
n÷3
9643717
n÷3
7232787.75
n÷5
5786230.2
n2
837011498184801
n3
2.4215706042721E+22
n4
7.0058824809357E+29
n5
2.026882439442E+37
2 √n
5378.7685393592
3 √n
306.9883566409
4 √n
73.340088214831
5 √n
31.065127641825
1 , 3 , 37 , 71 , 111 , 213 , 2627 , 3671 , 7881 , 11013 , 135827 , 260641 , 407481 , 781923 , 9643717 , 28931151
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
-28931150
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 28931151 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931151) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111010001001111
3
Ternary
2000102212002010
4
Quaternary
1232113101033
5
Quinary
24401244101
6
Senary
2512032303
8
Octal
156272117
10
Decimal
28931151
12
Duodecimal
9832693
16
Hexadecimal
1b9744f
20
Vigesimal
90g7hb
36
Base36
h83f3
md5
40544a296d451463954c3f7626064073
sha1
34477c846778f9232c096f3c18fd8c6173afbdbb
sha256
051d24bbe610361d95204bc879d297be50e1c46834306cb7e365a1b876af9f96
sha512
492471d33af42aba11de2e40eedfd90bc4d4416d387abfa03f89417974a6b1f537fae109c7dc1f92fac85bd319bba126ff683e903e828117e067e9139e1a6817
ripemd-160
d79fdf79e7b51ca41a84da9751d32ce9d7fc8805
Diameter
57862302
Circumference
181779782.88299
Area
2.6295491736676E+15
Volume
1.0143451227374E+23
Surface area
1.051819669467E+16
Circumference
181779782.88299
Perimeter
115724604
Area
837011498184801
Diagonal
40914826.119264
Surface area
5022068989108806
Volume
2.4215706042721E+22
Space diagonal
50110223.453447
Perimeter
86793453
Area
3.6243661034386E+14
Altitude
25055111.726724
Surface area
3.6243661034386E+14
Volume
2.8538483256713E+21
Height
13638275.373088