28711907 is an odd 8-digits composite number following 28711906
and preceding 28711908 . In scientific notation, it is written as 2.8711907 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 22926240 positive integers (up to 28711907) that are relatively prime to 28711907.
28711907 has 8 divisors, whose sum is 29410320
The reverse of 28711907 is 70911782
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million seven hundred eleven thousand nine hundred seven
Scientific notation
2.8711907 × 10^7
Engineering notation
2.8711907 × 10^6
Prime Factorization
133 × 61 × 3539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28711907
Product of the distinct prime numbers
The prime factorization of 28711907 is 133 × 61 × 3539.
Since it has a total of 3 prime factors.
10 , 7 , 95 , 71 , 820 , 810 , 6388 , 5004 , 1189 , 4100 , 879617 , 234475 , 1171220 , 2681261 , 63024784 , 7890309 , 881382743 , 337803326 , 9646575326 , 8708336877
n×2
57423814
n×3
86135721
n×4
114847628
n×5
143559535
n÷2
14355953.5
n÷3
9570635.6666667
n÷3
7177976.75
n÷5
5742381.4
n2
824373603576649
n3
2.3669338239148E+22
n4
6.7959183827395E+29
n5
1.9512377658481E+37
2 √n
5358.3492793957
3 √n
306.21092368284
4 √n
73.200746440154
5 √n
31.017901158535
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28711906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28711907 can be divided by 8 positive divisors.
The sum of these divisors (counting 28711907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101100001101111100011
3
Ternary
2000000201022222
4
Quaternary
1231201233203
5
Quinary
24322240112
6
Senary
2503221255
8
Octal
155415743
10
Decimal
28711907
12
Duodecimal
974782b
16
Hexadecimal
1b61be3
20
Vigesimal
8j8jf7
36
Base36
h3e8z
md5
a681e44357b72e1d6dc5ef6e7434036d
sha1
adc1738d7e51f3247534ba064095901f90bca11f
sha256
735cb8331b13d5ffbaccddbe00f071a17deb365b7e6c869f55b30082593dacc6
sha512
b516cb4cc7de2b1ace0e1c445298370f41ed29ae76a2202db93d9adb1cc0cbaa0cc3fdf2ff33a88ab66a56862a318c87a5645bb2f15ed6ceb37e5c36e2fb44bc
ripemd-160
44770d21f729242b119f77828e38282bc38d7b7c
Diameter
57423814
Circumference
180402232.20351
Area
2.5898460568097E+15
Volume
9.9145892169917E+22
Surface area
1.0359384227239E+16
Circumference
180402232.20351
Perimeter
114847628
Area
824373603576649
Diagonal
40604768.280995
Surface area
4946241621459894
Volume
2.3669338239148E+22
Space diagonal
49730481.706193
Perimeter
86135721
Area
3.5696424145335E+14
Altitude
24865240.853096
Surface area
3.5696424145335E+14
Volume
2.7894582625166E+21
Height
13534922.760332