29681985 is an odd 8-digits composite number following 29681984
and preceding 29681986 . In scientific notation, it is written as 2.9681985 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 15830384 positive integers (up to 29681985) that are relatively prime to 29681985.
29681985 has 8 divisors, whose sum is 47491200
The reverse of 29681985 is 58918692
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-nine million six hundred eighty-one thousand nine hundred eighty-five
Scientific notation
2.9681985 × 10^7
Engineering notation
2.9681985 × 10^6
Prime Factorization
3 × 5 × 1978799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29681985
Product of the distinct prime numbers
The prime factorization of 29681985 is 3 × 5 × 1978799.
Since it has a total of 3 prime factors.
9 , 3 , 18 , 39 , 652 , 717 , 7843 , 877 , 66028 , 61166 , 875609 , 246681 , 3053771 , 2827022 , 63734185 , 46616397 , 338858544 , 829596421 , 7701604441 , 9168673048
n×2
59363970
n×3
89045955
n×4
118727940
n×5
148409925
n÷2
14840992.5
n÷3
9893995
n÷3
7420496.25
n÷5
5936397
n2
881020233540225
n3
2.6150429356637E+22
n4
7.7619665190727E+29
n5
2.3039057378962E+37
2 √n
5448.1175648108
3 √n
309.62140740609
4 √n
73.8113647402
5 √n
31.224722561005
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
-29681984
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 29681985 can be divided by 8 positive divisors.
The sum of these divisors (counting 29681985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110001001110100101000001
3
Ternary
2001212000000210
4
Quaternary
1301032211001
5
Quinary
30044310420
6
Senary
2540104333
8
Octal
161164501
10
Decimal
29681985
12
Duodecimal
9b350a9
16
Hexadecimal
1c4e941
20
Vigesimal
95a4j5
36
Base36
ho6rl
md5
63072904ba8b1097caea6c106c6a39b5
sha1
b049d797abd0b0572e293b38235e4956f1b8aeb8
sha256
7c21ba0e2f7f364ad374d709c7d42a222cfff3f400da66c5dccad17741572885
sha512
5095c937eee4a5c35a78c72d5be4c53ff9700bbe6a80801c5dbd56161174e67b686931ba710ddebe2408b62228e5f74e069f758847507e7129e02f7c0e3cf430
ripemd-160
6e7b01b4e239b964ba93ef94ed96251369beea06
Diameter
59363970
Circumference
186497412.03992
Area
2.7678066933539E+15
Volume
1.0953866234004E+23
Surface area
1.1071226773416E+16
Circumference
186497412.03992
Perimeter
118727940
Area
881020233540225
Diagonal
41976665.745155
Surface area
5286121401241350
Volume
2.6150429356637E+22
Space diagonal
51410706.089497
Perimeter
89045955
Area
3.8149295174697E+14
Altitude
25705353.044749
Surface area
3.8149295174697E+14
Volume
3.0818576548364E+21
Height
13992221.915052