29731681 is an odd 8-digits composite number following 29731680
and preceding 29731682 . In scientific notation, it is written as 2.9731681 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 25378920 positive integers (up to 29731681) that are relatively prime to 29731681.
29731681 has 12 divisors, whose sum is 34728960
The reverse of 29731681 is 18613792
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-nine million seven hundred thirty-one thousand six hundred eighty-one
Scientific notation
2.9731681 × 10^7
Engineering notation
2.9731681 × 10^6
Prime Factorization
7 × 7 × 271 × 2239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4247383
Product of the distinct prime numbers
The prime factorization of 29731681 is 7 × 7 × 271 × 2239.
Since it has a total of 4 prime factors.
9 , 10 , 16 , 25 , 981 , 777 , 4264 , 1015 , 43469 , 38587 , 667623 , 462566 , 6647308 , 3601032 , 23463080 , 59427429 , 651554347 , 111427884 , 1862343524 , 8142711060
n×2
59463362
n×3
89195043
n×4
118926724
n×5
148658405
n÷2
14865840.5
n÷3
9910560.3333333
n÷3
7432920.25
n÷5
5946336.2
n2
883972855085761
n3
2.6281998940069E+22
n4
7.8140800852847E+29
n5
2.3232573640414E+37
2 √n
5452.6764987481
3 √n
309.79410886212
4 √n
73.842240613
5 √n
31.235171361061
1 , 7 , 49 , 271 , 1897 , 2239 , 13279 , 15673 , 109711 , 606769 , 4247383 , 29731681
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29731680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29731681 can be divided by 12 positive divisors.
The sum of these divisors (counting 29731681) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110001011010101101100001
3
Ternary
2001221112012101
4
Quaternary
1301122231201
5
Quinary
30102403211
6
Senary
2541130401
8
Octal
161325541
10
Decimal
29731681
12
Duodecimal
9b59a01
16
Hexadecimal
1c5ab61
20
Vigesimal
95g941
36
Base36
hp941
md5
d2bd4ab364cfce398a2b64af94df41bf
sha1
4396e9d9ec9e71f2ed79bef3150a4fc9e7bee35c
sha256
a8fc0e16b4e46e5e536096d81416602b651b56cdbf1e3826ac046532322e706f
sha512
390be01fd3f2054774285a8c6c7ae36177cc3c86dfeee775a4ade607d78428251ab94e051a7b91fcdbdc5dd9eadfb2489777930064cc959cc857bf8dab2949ca
ripemd-160
2f6ff6cd362bdee1f7822ebf40e74c40ba9c21d0
Diameter
59463362
Circumference
186809661.21695
Area
2.7770826275102E+15
Volume
1.1008977972237E+23
Surface area
1.1108330510041E+16
Circumference
186809661.21695
Perimeter
118926724
Area
883972855085761
Diagonal
42046946.50235
Surface area
5303837130514566
Volume
2.6281998940069E+22
Space diagonal
51496782.08643
Perimeter
89195043
Area
3.8277147438006E+14
Altitude
25748391.043215
Surface area
3.8277147438006E+14
Volume
3.0973632789434E+21
Height
14015648.834117