28698972 is an even 8-digits composite number following 28698971
and preceding 28698973 . In scientific notation, it is written as 2.8698972 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 9504768 positive integers (up to 28698972) that are relatively prime to 28698972.
28698972 has 24 divisors, whose sum is 67395216
The reverse of 28698972 is 27989682
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million six hundred ninety-eight thousand nine hundred seventy-two
Scientific notation
2.8698972 × 10^7
Engineering notation
2.8698972 × 10^6
Prime Factorization
2 × 2 × 3 × 157 × 15233
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14349486
Product of the distinct prime numbers
The prime factorization of 28698972 is 2 × 2 × 3 × 157 × 15233.
Since it has a total of 5 prime factors.
5 , 1 , 100 , 28 , 465 , 202 , 9905 , 4089 , 29693 , 24460 , 456988 , 854598 , 298918 , 8587970 , 29640862 , 25896278 , 127683415 , 657956243 , 6658005387 , 7345660930
n×2
57397944
n×3
86096916
n×4
114795888
n×5
143494860
n÷2
14349486
n÷3
9566324
n÷3
7174743
n÷5
5739794.4
n2
823630993856784
n3
2.3637362831028E+22
n4
6.7836801404151E+29
n5
1.9468464640673E+37
2 √n
5357.1421485714
3 √n
306.16493308567
4 √n
73.192500630675
5 √n
31.015105880103
1 , 2 , 3 , 4 , 6 , 12 , 157 , 314 , 471 , 628 , 942 , 1884 , 15233 , 30466 , 45699 , 60932 , 91398 , 182796 , 2391581 , 4783162 , 7174743 , 9566324 , 14349486 , 28698972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28698971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28698972 can be divided by 24 positive divisors.
The sum of these divisors (counting 28698972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101011110100101011100
3
Ternary
2000000001120220
4
Quaternary
1231132211130
5
Quinary
24321331342
6
Senary
2503041340
8
Octal
155364534
10
Decimal
28698972
12
Duodecimal
9740250
16
Hexadecimal
1b5e95c
20
Vigesimal
8j778c
36
Base36
h349o
md5
83f5b58d3e8cae3c6558df90bae79cd5
sha1
3ec8c0dee41421ba34b512e40f7375f2b497efe9
sha256
22bd494641ac9f11f8f81173d68a9a164ee4bd144c32868c0068f10f650f84a9
sha512
46d9921305216bc935b17af8e70304156d9f788ab3d154aab390b431ed55433c75fabae4adc93eef3449353302c369c3a612159ae0896479c7820af620b1e28d
ripemd-160
c9e407fb74c1da6dba42dc0c70ed24229921f38b
Diameter
57397944
Circumference
180320959.20156
Area
2.5875130795693E+15
Volume
9.9011953893592E+22
Surface area
1.0350052318277E+16
Circumference
180320959.20156
Perimeter
114795888
Area
823630993856784
Diagonal
40586475.428566
Surface area
4941785963140704
Volume
2.3637362831028E+22
Space diagonal
49708077.628997
Perimeter
86096916
Area
3.566426820121E+14
Altitude
24854038.814498
Surface area
3.566426820121E+14
Volume
2.7856899245311E+21
Height
13528825.142855