28972011 is an odd 8-digits composite number following 28972010
and preceding 28972012 . In scientific notation, it is written as 2.8972011 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 18381600 positive integers (up to 28972011) that are relatively prime to 28972011.
28972011 has 16 divisors, whose sum is 40537088
The reverse of 28972011 is 11027982
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million nine hundred seventy-two thousand eleven
Scientific notation
2.8972011 × 10^7
Engineering notation
2.8972011 × 10^6
Prime Factorization
3 × 31 × 61 × 5107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28972011
Product of the distinct prime numbers
The prime factorization of 28972011 is 3 × 31 × 61 × 5107.
Since it has a total of 4 prime factors.
6 , 5 , 23 , 68 , 289 , 43 , 3561 , 3462 , 92756 , 1226 , 756018 , 791141 , 6269286 , 9462150 , 76375198 , 23745730 , 409967045 , 700026577 , 1061389444 , 4243589835
n×2
57944022
n×3
86916033
n×4
115888044
n×5
144860055
n÷2
14486005.5
n÷3
9657337
n÷3
7243002.75
n÷5
5794402.2
n2
839377421384121
n3
2.4318451885492E+22
n4
7.0455445552946E+29
n5
2.0412359435698E+37
2 √n
5382.5654663924
3 √n
307.13281043652
4 √n
73.365969402662
5 √n
31.073897459854
1 , 3 , 31 , 61 , 93 , 183 , 1891 , 5107 , 5673 , 15321 , 158317 , 311527 , 474951 , 934581 , 9657337 , 28972011
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
-28972010
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 28972011 can be divided by 16 positive divisors.
The sum of these divisors (counting 28972011) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100001001111101011
3
Ternary
2000111221010110
4
Quaternary
1232201033223
5
Quinary
24404101021
6
Senary
2512545403
8
Octal
156411753
10
Decimal
28972011
12
Duodecimal
9852263
16
Hexadecimal
1ba13eb
20
Vigesimal
911a0b
36
Base36
h8yy3
md5
3f7e03a0bb907b78a3956a4c5d2b7392
sha1
9d0f9d7eddda0ae60cb9f5aedd6c84b0bbc529d6
sha256
b4bc7af04d36ed17091acb57ae272b5375df10d643e36932ce6d097ca7ee21ee
sha512
709eaec050943ddc0ba2800e5f4265e2d9cb001bbf16e2dc2260ac71751f0c96a15b088238e1727cfb33e21dc6061d84db51ac1c45a3cb5ea91c2866fa99252d
ripemd-160
0b93b5ab41e0286faf2ceca7f8eb66e661b92177
Diameter
57944022
Circumference
182036513.83465
Area
2.6369819406095E+15
Volume
1.0186489305352E+23
Surface area
1.0547927762438E+16
Circumference
182036513.83465
Perimeter
115888044
Area
839377421384121
Diagonal
40972610.885422
Surface area
5036264528304726
Volume
2.4318451885492E+22
Space diagonal
50180995.049444
Perimeter
86916033
Area
3.6346108514086E+14
Altitude
25090497.524722
Surface area
3.6346108514086E+14
Volume
2.8659570393651E+21
Height
13657536.961808