28931080 is an even 8-digits composite number following 28931079
and preceding 28931081 . In scientific notation, it is written as 2.8931080 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 11155200 positive integers (up to 28931080) that are relatively prime to 28931080.
28931080 has 32 divisors, whose sum is 55621440
The reverse of 28931080 is 08013982
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million nine hundred thirty-one thousand eighty
Scientific notation
2.8931080 × 10^7
Engineering notation
2.8931080 × 10^6
Prime Factorization
2 × 2 × 2 × 355 × 61 × 167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7232770
Product of the distinct prime numbers
The prime factorization of 28931080 is 2 × 2 × 2 × 355 × 61 × 167.
Since it has a total of 6 prime factors.
3 , 2 , 98 , 64 , 164 , 161 , 5225 , 892 , 140 , 18402 , 618186 , 753104 , 8451096 , 2821813 , 24775265 , 31877299 , 767352682 , 610452997 , 6641879948 , 2032237301
n×2
57862160
n×3
86793240
n×4
115724320
n×5
144655400
n÷2
14465540
n÷3
9643693.3333333
n÷3
7232770
n÷5
5786216
n2
837007389966400
n3
2.4215527759709E+22
n4
7.0058137085837E+29
n5
2.0268575686813E+37
2 √n
5378.7619393314
3 √n
306.98810551376
4 √n
73.340043218772
5 √n
31.065112394411
1 , 2 , 4 , 8 , 61 , 122 , 167 , 244 , 334 , 355 , 488 , 668 , 710 , 1336 , 1420 , 2840 , 10187 , 20374 , 21655 , 40748 , 43310 , 59285 , 81496 , 86620 , 118570 , 173240 , 237140 , 474280 , 3616385 , 7232770 , 14465540 , 28931080
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
-28931079
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 28931080 can be divided by 32 positive divisors.
The sum of these divisors (counting 28931080) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010111010000001000
3
Ternary
2000102211222111
4
Quaternary
1232113100020
5
Quinary
24401243310
6
Senary
2512032104
8
Octal
156272010
10
Decimal
28931080
12
Duodecimal
9832634
16
Hexadecimal
1b97408
20
Vigesimal
90g7e0
36
Base36
h83d4
md5
ee59f773db573a60adc42505aa728584
sha1
759a65f1ea572ef4aeadc56c06a8c624032d5f16
sha256
2a769d9d433b777523a8897fadc0e5f034dd84bbcc2b7236a7fbbc58c6012f27
sha512
622e9b8225ba6f36328cd155beb0428d0fa540fff13e623f7ea705436e8e83feb831ee59f4309949c82a710f0b52dcc45b5c5bc041373ad3e942905979e882b4
ripemd-160
bd12430a33c5cdb0329d3e54ab293fbdcf0a72ea
Diameter
57862160
Circumference
181779336.77684
Area
2.6295362673188E+15
Volume
1.014337654836E+23
Surface area
1.0518145069275E+16
Circumference
181779336.77684
Perimeter
115724320
Area
837007389966400
Diagonal
40914725.710101
Surface area
5022044339798400
Volume
2.4215527759709E+22
Space diagonal
50110100.47784
Perimeter
86793240
Area
3.6243483143311E+14
Altitude
25055050.23892
Surface area
3.6243483143311E+14
Volume
2.8538273148169E+21
Height
13638241.903367