28831907 is an odd 8-digits composite number following 28831906
and preceding 28831908 . In scientific notation, it is written as 2.8831907 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 26613912 positive integers (up to 28831907) that are relatively prime to 28831907.
28831907 has 4 divisors, whose sum is 29002680
The reverse of 28831907 is 70913882
Previous prime number is 169
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million eight hundred thirty-one thousand nine hundred seven
Scientific notation
2.8831907 × 10^7
Engineering notation
2.8831907 × 10^6
Prime Factorization
169 × 170603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28831907
Product of the distinct prime numbers
The prime factorization of 28831907 is 169 × 170603.
Since it has a total of 2 prime factors.
5 , 2 , 12 , 62 , 537 , 77 , 393 , 9049 , 18490 , 66815 , 155340 , 12432 , 8020571 , 3149006 , 79764735 , 40424243 , 483877347 , 700159231 , 3632814855 , 6346853684
n×2
57663814
n×3
86495721
n×4
115327628
n×5
144159535
n÷2
14415953.5
n÷3
9610635.6666667
n÷3
7207976.75
n÷5
5766381.4
n2
831278861256649
n3
2.3967354818818E+22
n4
6.9102454517215E+29
n5
1.9923555421121E+37
2 √n
5369.5350822953
3 √n
306.63692856455
4 √n
73.277111585374
5 √n
31.043785479517
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28831906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28831907 can be divided by 4 positive divisors.
The sum of these divisors (counting 28831907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101111111000010100011
3
Ternary
2000020210221102
4
Quaternary
1231333002203
5
Quinary
24340110112
6
Senary
2505545015
8
Octal
155770243
10
Decimal
28831907
12
Duodecimal
97a516b
16
Hexadecimal
1b7f0a3
20
Vigesimal
903jf7
36
Base36
h5yub
md5
c701bd20f25b7ab06f6c88c3582fdc10
sha1
ce6974c8e44a2eb418a6a064805e48403e637270
sha256
9cd5225085090554f953a45b04cc82b6dfd1686f064611ea3399df4ae498ad14
sha512
10665fd24db2f4a88b5cbc5eb7ae980d7cfde6353a9470af145d860d1e36178b373341e4a6f3dcc99327824927496563223ac1a427218a2dbd8442952865904c
ripemd-160
dcb05e5f7650b1e2b2a63c085b5554892855a556
Diameter
57663814
Circumference
181156214.44037
Area
2.6115395636084E+15
Volume
1.003942210997E+23
Surface area
1.0446158254434E+16
Circumference
181156214.44037
Perimeter
115327628
Area
831278861256649
Diagonal
40774473.90848
Surface area
4987673167539894
Volume
2.3967354818818E+22
Space diagonal
49938327.803101
Perimeter
86495721
Area
3.5995430573863E+14
Altitude
24969163.90155
Surface area
3.5995430573863E+14
Volume
2.8245798532483E+21
Height
13591491.302827