29121221 is an odd 8-digits composite number following 29121220
and preceding 29121222 . In scientific notation, it is written as 2.9121221 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 26890240 positive integers (up to 29121221) that are relatively prime to 29121221.
29121221 has 8 divisors, whose sum is 31416984
The reverse of 29121221 is 12212192
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-nine million one hundred twenty-one thousand two hundred twenty-one
Scientific notation
2.9121221 × 10^7
Engineering notation
2.9121221 × 10^6
Prime Factorization
17 × 53 × 32321
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29121221
Product of the distinct prime numbers
The prime factorization of 29121221 is 17 × 53 × 32321.
Since it has a total of 3 prime factors.
5 , 4 , 65 , 33 , 26 , 215 , 2741 , 4231 , 25836 , 29343 , 681421 , 458740 , 2527263 , 7510846 , 52654911 , 73938885 , 59246105 , 549564104 , 6688080720 , 3327768731
n×2
58242442
n×3
87363663
n×4
116484884
n×5
145606105
n÷2
14560610.5
n÷3
9707073.6666667
n÷3
7280305.25
n÷5
5824244.2
n2
848045512530841
n3
2.4696120788469E+22
n4
7.191811913237E+29
n5
2.0943434411581E+37
2 √n
5396.4081572839
3 √n
307.65916716304
4 √n
73.460248823999
5 √n
31.105838729787
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
-29121220
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 29121221 can be divided by 8 positive divisors.
The sum of these divisors (counting 29121221) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101111000101101011000101
3
Ternary
2000210111210202
4
Quaternary
1233011223011
5
Quinary
24423334341
6
Senary
2520100245
8
Octal
157055305
10
Decimal
29121221
12
Duodecimal
9904685
16
Hexadecimal
1bc5ac5
20
Vigesimal
920311
36
Base36
hc62t
md5
facb68b33e21974c2bc48786e25eb209
sha1
0b7a4f757c3a1acd018f29381f83842607b6951f
sha256
2ec0b693fa817ea7188d9492046f6c8789a1b07f66b2f2f1783b2a34ca2831bb
sha512
f8cfc20674ce49b1f77c689bac7247ec9e81b03b5649eeaaa0f070db652ce66fd2a3366002ce8929515aeeea17145973e41b0dc43d8129de03b4f26282a66b4b
ripemd-160
1f57d5a3fb5f2b4770df1b89dc4de9c441d6470e
Diameter
58242442
Circumference
182974027.91433
Area
2.6642135520767E+15
Volume
1.0344686885496E+23
Surface area
1.0656854208307E+16
Circumference
182974027.91433
Perimeter
116484884
Area
848045512530841
Diagonal
41183625.691064
Surface area
5088273075185046
Volume
2.4696120788469E+22
Space diagonal
50439434.350442
Perimeter
87363663
Area
3.6721447870855E+14
Altitude
25219717.175221
Surface area
3.6721447870855E+14
Volume
2.9104657464214E+21
Height
13727875.230355