28129136 is an even 8-digits composite number following 28129135
and preceding 28129137 . In scientific notation, it is written as 2.8129136 × 10^7.
The sum of its digits is 32. It has a total of 7 prime factors and 30 positive divisors.
There are 12055008 positive integers (up to 28129136) that are relatively prime to 28129136.
28129136 has 30 divisors, whose sum is 63399960
The reverse of 28129136 is 63192182
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million one hundred twenty-nine thousand one hundred thirty-six
Scientific notation
2.8129136 × 10^7
Engineering notation
2.8129136 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 7 × 35879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
502306
Product of the distinct prime numbers
The prime factorization of 28129136 is 2 × 2 × 2 × 2 × 7 × 7 × 35879.
Since it has a total of 7 prime factors.
6 , 3 , 75 , 69 , 413 , 390 , 6211 , 2261 , 41427 , 83466 , 826219 , 589732 , 3238919 , 3028464 , 84453079 , 95624034 , 788599615 , 244062968 , 218994145 , 7960016285
n×2
56258272
n×3
84387408
n×4
112516544
n×5
140645680
n÷2
14064568
n÷3
9376378.6666667
n÷3
7032284
n÷5
5625827.2
n2
791248292106496
n3
2.2257130818431E+22
n4
6.2607385976145E+29
n5
1.7610916747275E+37
2 √n
5303.6907903836
3 √n
304.12500629981
4 √n
72.826442933756
5 √n
30.890950999135
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 49 , 56 , 98 , 112 , 196 , 392 , 784 , 35879 , 71758 , 143516 , 251153 , 287032 , 502306 , 574064 , 1004612 , 1758071 , 2009224 , 3516142 , 4018448 , 7032284 , 14064568 , 28129136
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28129135
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28129136 can be divided by 30 positive divisors.
The sum of these divisors (counting 28129136) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1101011010011011101110000
3
Ternary
1221221002220212
4
Quaternary
1223103131300
5
Quinary
24200113021
6
Senary
2442523252
8
Octal
153233560
10
Decimal
28129136
12
Duodecimal
9506528
16
Hexadecimal
1ad3770
20
Vigesimal
8fg2gg
36
Base36
gqwkw
md5
ff0417a499a0ef4989b78569fa260ed1
sha1
02854cfaefd6f6201b5937d0dd00e53a46d12a7f
sha256
7158846e58621b1959dab3b94d03a0e108ad8a0dd7493f45a98b970c78cdac7a
sha512
004f63dda3b9902a800ecd5924ea5716880be70e896fd89eadad11c5f48469d0417fe8a6c18986cd2db2dc3c2ac9ec188635bdc603f432f907abbb6171b4eb30
ripemd-160
3d268a2676a9b186af466bbd895df45f78fa00d6
Diameter
56258272
Circumference
176740574.01886
Area
2.4857798216472E+15
Volume
9.3230451558895E+22
Surface area
9.943119286589E+15
Circumference
176740574.01886
Perimeter
112516544
Area
791248292106496
Diagonal
39780605.629037
Surface area
4747489752638976
Volume
2.2257130818431E+22
Space diagonal
48721092.725015
Perimeter
84387408
Area
3.4262056083264E+14
Altitude
24360546.362507
Surface area
3.4262056083264E+14
Volume
2.6230280219115E+21
Height
13260201.876346