29688891 is an odd 8-digits composite number following 29688890
and preceding 29688892 . In scientific notation, it is written as 2.9688891 × 10^7.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 19792592 positive integers (up to 29688891) that are relatively prime to 29688891.
29688891 has 4 divisors, whose sum is 39585192
The reverse of 29688891 is 19888692
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-nine million six hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
2.9688891 × 10^7
Engineering notation
2.9688891 × 10^6
Prime Factorization
3 × 9896297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29688891
Product of the distinct prime numbers
The prime factorization of 29688891 is 3 × 9896297.
Since it has a total of 2 prime factors.
4 , 8 , 77 , 55 , 489 , 339 , 8458 , 6265 , 34993 , 58440 , 440809 , 413221 , 8958216 , 6823009 , 60339436 , 28818917 , 933448229 , 861635863 , 8023988050 , 8427354179
n×2
59377782
n×3
89066673
n×4
118755564
n×5
148444455
n÷2
14844445.5
n÷3
9896297
n÷3
7422222.75
n÷5
5937778.2
n2
881430248809881
n3
2.6168686581019E+22
n4
7.7691928351705E+29
n5
2.3065871924136E+37
2 √n
5448.751324845
3 √n
309.64541837468
4 √n
73.815657721414
5 √n
31.226175414432
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29688890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29688891 can be divided by 4 positive divisors.
The sum of these divisors (counting 29688891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110001010000010000111011
3
Ternary
2001212100111120
4
Quaternary
1301100100323
5
Quinary
30100021031
6
Senary
2540200323
8
Octal
161202073
10
Decimal
29688891
12
Duodecimal
9b390a3
16
Hexadecimal
1c5043b
20
Vigesimal
95b24b
36
Base36
hoc3f
md5
b095290e5409252aa8f93332ae7d0ca4
sha1
1d278170b851e87329e969bd789f15f8548fb3c8
sha256
3d806281797768398374884b214e2aa797eb7dfc2692624c1be23aca7e3e6274
sha512
e828f70f2b4adc7f3215f5c61dd20afd2272eaf29c4196000adc487cc906f4cdc2c70e158669ce934009e0e36b6da5a9f2cabc33f0cbb71a2f27590b1b2d535b
ripemd-160
bde00b9b98b7a504e0c5a7588bc463259094d6d8
Diameter
59377782
Circumference
186540803.71766
Area
2.7690947943129E+15
Volume
1.096151380227E+23
Surface area
1.1076379177252E+16
Circumference
186540803.71766
Perimeter
118755564
Area
881430248809881
Diagonal
41986432.304017
Surface area
5288581492859286
Volume
2.6168686581019E+22
Space diagonal
51422667.632374
Perimeter
89066673
Area
3.816704935667E+14
Altitude
25711333.816187
Surface area
3.816704935667E+14
Volume
3.084009289364E+21
Height
13995477.434672