29691891 is an odd 8-digits composite number following 29691890
and preceding 29691892 . In scientific notation, it is written as 2.9691891 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 19758816 positive integers (up to 29691891) that are relatively prime to 29691891.
29691891 has 8 divisors, whose sum is 33050640
The reverse of 29691891 is 19819692
Previous prime number is 617
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-nine million six hundred ninety-one thousand eight hundred ninety-one
Scientific notation
2.9691891 × 10^7
Engineering notation
2.9691891 × 10^6
Prime Factorization
9 × 617 × 5347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29691891
Product of the distinct prime numbers
The prime factorization of 29691891 is 9 × 617 × 5347.
Since it has a total of 3 prime factors.
9 , 7 , 26 , 51 , 874 , 104 , 6004 , 8129 , 23725 , 28359 , 321658 , 225689 , 5331834 , 5695244 , 65702399 , 13735504 , 755089493 , 326727461 , 4183144339 , 2034276279
n×2
59383782
n×3
89075673
n×4
118767564
n×5
148459455
n÷2
14845945.5
n÷3
9897297
n÷3
7422972.75
n÷5
5938378.2
n2
881608391155881
n3
2.6176620254886E+22
n4
7.7723335535646E+29
n5
2.3077528068808E+37
2 √n
5449.0266103223
3 √n
309.65584769618
4 √n
73.817522380003
5 √n
31.226806456798
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
-29691890
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 29691891 can be divided by 8 positive divisors.
The sum of these divisors (counting 29691891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110001010000111111110011
3
Ternary
2001212111121200
4
Quaternary
1301100333303
5
Quinary
30100120031
6
Senary
2540222243
8
Octal
161207763
10
Decimal
29691891
12
Duodecimal
9b3a983
16
Hexadecimal
1c50ff3
20
Vigesimal
95b9eb
36
Base36
hoeer
md5
51f4b5cd0e297f75524d7a1d5782d3d6
sha1
34765d4fbe7b8b4418ac46c127fd3a58d894fe90
sha256
6e2b048e61cbfd25220f68817b783f63b3a3827cccd99d266ae7d3898566a9c6
sha512
bd0bcc4c3faae3b88c9e9c2e7d757365a8abd8c5663f84650a3687f8da07105e4f2930e4f53b1f20ddd5c80becc0b3e9dc766bf609a6d7dc43c02771dcc73a06
ripemd-160
d17d1b8560a07ea02723ebd6b721ddc09068c47c
Diameter
59383782
Circumference
186559653.27358
Area
2.7696544449984E+15
Volume
1.0964837051808E+23
Surface area
1.1078617779994E+16
Circumference
186559653.27358
Perimeter
118767564
Area
881608391155881
Diagonal
41990674.944704
Surface area
5289650346935286
Volume
2.6176620254886E+22
Space diagonal
51427863.784797
Perimeter
89075673
Area
3.8174763146526E+14
Altitude
25713931.892399
Surface area
3.8174763146526E+14
Volume
3.0849442817958E+21
Height
13996891.648235