29681905 is an odd 8-digits composite number following 29681904
and preceding 29681906 . In scientific notation, it is written as 2.9681905 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 21252000 positive integers (up to 29681905) that are relatively prime to 29681905.
29681905 has 24 divisors, whose sum is 39759552
The reverse of 29681905 is 50918692
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-nine million six hundred eighty-one thousand nine hundred five
Scientific notation
2.9681905 × 10^7
Engineering notation
2.9681905 × 10^6
Prime Factorization
5 × 11 × 11 × 71 × 691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2698355
Product of the distinct prime numbers
The prime factorization of 29681905 is 5 × 11 × 11 × 71 × 691.
Since it has a total of 5 prime factors.
6 , 9 , 24 , 37 , 99 , 323 , 890 , 1367 , 17073 , 83564 , 420832 , 688173 , 187348 , 6669267 , 48300558 , 1299493 , 658808493 , 72894344 , 7122536323 , 9274811509
n×2
59363810
n×3
89045715
n×4
118727620
n×5
148409525
n÷2
14840952.5
n÷3
9893968.3333333
n÷3
7420476.25
n÷5
5936381
n2
881015484429025
n3
2.6150217912351E+22
n4
7.7618828380371E+29
n5
2.3038746901975E+37
2 √n
5448.1102228204
3 √n
309.6211292381
4 √n
73.811315005359
5 √n
31.224705729378
1 , 5 , 11 , 55 , 71 , 121 , 355 , 605 , 691 , 781 , 3455 , 3905 , 7601 , 8591 , 38005 , 42955 , 49061 , 83611 , 245305 , 418055 , 539671 , 2698355 , 5936381 , 29681905
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29681904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29681905 can be divided by 24 positive divisors.
The sum of these divisors (counting 29681905) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110001001110100011110001
3
Ternary
2001211222220211
4
Quaternary
1301032203301
5
Quinary
30044310110
6
Senary
2540104121
8
Octal
161164361
10
Decimal
29681905
12
Duodecimal
9b35041
16
Hexadecimal
1c4e8f1
20
Vigesimal
95a4f5
36
Base36
ho6pd
md5
8e65995c4aedbc7539f933414c0988df
sha1
59a178455099d80837e2f73b4940ed7973432b05
sha256
ccf3b04b557e9662772cdc1745cec1a632515e61e0b061e4b7d705398cca6db9
sha512
e45ba11e2ed2547d9b2f113d7e812f1e5b5ddeec590d056242622dc530bd14b7683d8503afba65a6e36b4f7c77300653110eb1f2a010f1f20d443fc3613e61e8
ripemd-160
e337ee130d63d4d479bcbb2ab3ce08041c9b4425
Diameter
59363810
Circumference
186496909.3851
Area
2.7677917735811E+15
Volume
1.0953777664429E+23
Surface area
1.1071167094324E+16
Circumference
186496909.3851
Perimeter
118727620
Area
881015484429025
Diagonal
41976552.60807
Surface area
5286092906574150
Volume
2.6150217912351E+22
Space diagonal
51410567.525433
Perimeter
89045715
Area
3.8149089532149E+14
Altitude
25705283.762716
Surface area
3.8149089532149E+14
Volume
3.0818327358883E+21
Height
13992184.20269