29687421 is an odd 8-digits composite number following 29687420
and preceding 29687422 . In scientific notation, it is written as 2.9687421 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 19520352 positive integers (up to 29687421) that are relatively prime to 29687421.
29687421 has 8 divisors, whose sum is 40125760
The reverse of 29687421 is 12478692
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-nine million six hundred eighty-seven thousand four hundred twenty-one
Scientific notation
2.9687421 × 10^7
Engineering notation
2.9687421 × 10^6
Prime Factorization
3 × 73 × 135559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29687421
Product of the distinct prime numbers
The prime factorization of 29687421 is 3 × 73 × 135559.
Since it has a total of 3 prime factors.
10 , 5 , 50 , 81 , 718 , 525 , 8962 , 1900 , 70051 , 90505 , 203742 , 762886 , 1481009 , 7545287 , 77391670 , 74226427 , 695071659 , 190197545 , 2159031643 , 9140108995
n×2
59374842
n×3
89062263
n×4
118749684
n×5
148437105
n÷2
14843710.5
n÷3
9895807
n÷3
7421855.25
n÷5
5937484.2
n2
881342965631241
n3
2.6164799666083E+22
n4
7.7676542306767E+29
n5
2.3060162132853E+37
2 √n
5448.6164298838
3 √n
309.64030775067
4 √n
73.814743987118
5 √n
31.22586618505
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
-29687420
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 29687421 can be divided by 8 positive divisors.
The sum of these divisors (counting 29687421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110001001111111001111101
3
Ternary
2001212021111010
4
Quaternary
1301033321331
5
Quinary
30044444141
6
Senary
2540145433
8
Octal
161177175
10
Decimal
29687421
12
Duodecimal
9b38279
16
Hexadecimal
1c4fe7d
20
Vigesimal
95aib1
36
Base36
hoayl
md5
0cbc95ce799a3997ddad268444255a63
sha1
5910b9fc8975eab8001981295859779f61d87e4e
sha256
30fa9f0862b96099957fe264fe09ffde4820d2c4bfdeb28cf28a4c792b10bc98
sha512
3a8f2ef433d06d698c4af3adef7ad7e28bb0cc2ea8befd94efbc99ccc1b319fcf6b4adff0bf030b8a96f2217eb412b15caed26b02c2aa150017eb2aac6fa5ac0
ripemd-160
42402ae4eddb1f0c7284909dadf5cbc9e68fc95c
Diameter
59374842
Circumference
186531567.43525
Area
2.7688205861201E+15
Volume
1.0959885655149E+23
Surface area
1.1075282344481E+16
Circumference
186531567.43525
Perimeter
118749684
Area
881342965631241
Diagonal
41984353.41008
Surface area
5288057793787446
Volume
2.6164799666083E+22
Space diagonal
51420121.517687
Perimeter
89062263
Area
3.8163269884169E+14
Altitude
25710060.758844
Surface area
3.8163269884169E+14
Volume
3.0835512120458E+21
Height
13994784.470027