29121728 is an even 8-digits composite number following 29121727
and preceding 29121729 . In scientific notation, it is written as 2.9121728 × 10^7.
The sum of its digits is 32. It has a total of 8 prime factors and 28 positive divisors.
There are 14407680 positive integers (up to 29121728) that are relatively prime to 29121728.
29121728 has 28 divisors, whose sum is 58396632
The reverse of 29121728 is 82712192
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-nine million one hundred twenty-one thousand seven hundred twenty-eight
Scientific notation
2.9121728 × 10^7
Engineering notation
2.9121728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 97 × 4691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
910054
Product of the distinct prime numbers
The prime factorization of 29121728 is 2 × 2 × 2 × 2 × 2 × 2 × 97 × 4691.
Since it has a total of 8 prime factors.
2 , 7 , 15 , 40 , 920 , 666 , 804 , 7992 , 42383 , 31780 , 343423 , 73177 , 6053085 , 5153097 , 16192269 , 73763532 , 26373771 , 140764975 , 4967617230 , 7609192497
n×2
58243456
n×3
87365184
n×4
116486912
n×5
145608640
n÷2
14560864
n÷3
9707242.6666667
n÷3
7280432
n÷5
5824345.6
n2
848075041705984
n3
2.469741068815E+22
n4
7.1923127636461E+29
n5
2.0945257599383E+37
2 √n
5396.45513277
3 √n
307.66095259977
4 √n
73.460568557356
5 √n
31.105947039465
1 , 2 , 4 , 8 , 16 , 32 , 64 , 97 , 194 , 388 , 776 , 1552 , 3104 , 4691 , 6208 , 9382 , 18764 , 37528 , 75056 , 150112 , 300224 , 455027 , 910054 , 1820108 , 3640216 , 7280432 , 14560864 , 29121728
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29121727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29121728 can be divided by 28 positive divisors.
The sum of these divisors (counting 29121728) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1101111000101110011000000
3
Ternary
2000210112111112
4
Quaternary
1233011303000
5
Quinary
24423343403
6
Senary
2520102452
8
Octal
157056300
10
Decimal
29121728
12
Duodecimal
9904a28
16
Hexadecimal
1bc5cc0
20
Vigesimal
920468
36
Base36
hc6gw
md5
1c777b9b3dba2b17ff1967057ce6868b
sha1
c46ae585b70616cf15068fea3dfbc91faadfbcab
sha256
13cafacc1ed8e897e7e1fa86a837cb7ab797a17d58119f74d8ab9822fd4f2624
sha512
3263f3b3df7af879032cd15663a63b157201ed96112888e9ffb9b82dffb4d239fd14348702f849a7c457f989ce058c2d02c55c3cadd2876befe06ef7be538198
ripemd-160
c1e54926959e2f4ab4db620c339887b4c68e0747
Diameter
58243456
Circumference
182977213.48928
Area
2.6643063207164E+15
Volume
1.0345227197411E+23
Surface area
1.0657225282866E+16
Circumference
182977213.48928
Perimeter
116486912
Area
848075041705984
Diagonal
41184342.69734
Surface area
5088450250235904
Volume
2.469741068815E+22
Space diagonal
50440312.500201
Perimeter
87365184
Area
3.6722726521646E+14
Altitude
25220156.250101
Surface area
3.6722726521646E+14
Volume
2.9106177625567E+21
Height
13728114.232447