29921421 is an odd 8-digits composite number following 29921420
and preceding 29921422 . In scientific notation, it is written as 2.9921421 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 19350576 positive integers (up to 29921421) that are relatively prime to 29921421.
29921421 has 8 divisors, whose sum is 39928960
The reverse of 29921421 is 12412992
Previous prime number is 7009
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-nine million nine hundred twenty-one thousand four hundred twenty-one
Scientific notation
2.9921421 × 10^7
Engineering notation
2.9921421 × 10^6
Prime Factorization
3 × 7009 × 1423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29921421
Product of the distinct prime numbers
The prime factorization of 29921421 is 3 × 7009 × 1423.
Since it has a total of 3 prime factors.
5 , 9 , 85 , 45 , 70 , 604 , 3418 , 2243 , 60049 , 96033 , 74444 , 697078 , 592648 , 8968190 , 76770960 , 35217458 , 643063512 , 32432295 , 8273632039 , 7437611172
n×2
59842842
n×3
89764263
n×4
119685684
n×5
149607105
n÷2
14960710.5
n÷3
9973807
n÷3
7480355.25
n÷5
5984284.2
n2
895291434659241
n3
2.6788391934133E+22
n4
8.015467529742E+29
n5
2.3983417846924E+37
2 √n
5470.0476231931
3 √n
310.45172091455
4 √n
73.959770302463
5 √n
31.274936959005
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
-29921420
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 29921421 can be divided by 8 positive divisors.
The sum of these divisors (counting 29921421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110010001001000010001101
3
Ternary
2002022011110210
4
Quaternary
1302021002031
5
Quinary
30124441141
6
Senary
2545153033
8
Octal
162110215
10
Decimal
29921421
12
Duodecimal
a02b779
16
Hexadecimal
1c8908d
20
Vigesimal
9703b1
36
Base36
htbil
md5
55125cc0be5ef6eda311f17b88a03377
sha1
c3915bb43e49bc1064a2e40b3239da2b5100895f
sha256
cdbef3ab9291d89883f04fe212ee4e56b6ee8d36437cbcad38a8949baa49dc38
sha512
ba60954e818d9d1ca768848433a0f5bf1ee33f99d2fa016235937336808153139f89ec8046303b3b726ed82b0459898fd01cc9c07597655327fe1ed3fdcf69f4
ripemd-160
9f33dca40e39021cf0a3c631d6d9d6daaa563f1d
Diameter
59842842
Circumference
188001832.79713
Area
2.8126409939473E+15
Volume
1.1221095373568E+23
Surface area
1.1250563975789E+16
Circumference
188001832.79713
Perimeter
119685684
Area
895291434659241
Diagonal
42315279.383675
Surface area
5371748607955446
Volume
2.6788391934133E+22
Space diagonal
51825421.406658
Perimeter
89764263
Area
3.8767256310276E+14
Altitude
25912710.703329
Surface area
3.8767256310276E+14
Volume
3.1570422656181E+21
Height
14105093.127892