29915981 is an odd 8-digits prime number following 29915980
and preceding 29915982 . In scientific notation, it is written as 2.9915981 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 29915980 positive integers (up to 29915981) that are relatively prime to 29915981.
29915981 has 2 divisors, whose sum is 29915982
The reverse of 29915981 is 18951992
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-nine million nine hundred fifteen thousand nine hundred eighty-one
Scientific notation
2.9915981 × 10^7
Engineering notation
2.9915981 × 10^6
Prime Factorization
29915981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
29915981
Product of the distinct prime numbers
The prime factorization of 29915981 is 29915981.
Since it has a total of 1 prime factors.
8 , 6 , 27 , 75 , 33 , 707 , 3220 , 4133 , 15803 , 4839 , 434444 , 231482 , 5951727 , 8544048 , 11332380 , 42097043 , 921983476 , 429748738 , 7291463497 , 9959850268
n×2
59831962
n×3
89747943
n×4
119663924
n×5
149579905
n÷2
14957990.5
n÷3
9971993.6666667
n÷3
7478995.25
n÷5
5983196.2
n2
894965919192361
n3
2.6773783434206E+22
n4
8.0096399651583E+29
n5
2.3961623701452E+37
2 √n
5469.5503471492
3 √n
310.43290541197
4 √n
73.956408425161
5 √n
31.273799659868
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
29915982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14957991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5469.5504385644
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999331461
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29915981 can be divided by 2 positive divisors.
The sum of these divisors (counting 29915981) is 29915982, the average is 14957991.
Base
System
Value
2
Binary
1110010000111101101001101
3
Ternary
2002021220000022
4
Quaternary
1302013231031
5
Quinary
30124302411
6
Senary
2545111525
8
Octal
162075515
10
Decimal
29915981
12
Duodecimal
a0285a5
16
Hexadecimal
1c87b4d
20
Vigesimal
96j9j1
36
Base36
ht7bh
md5
53052fa15d04de67d655f0b69376572f
sha1
f9e2dfd10905d44aebc81aae42304372903ecbe7
sha256
ba48e13e0425393392457e785eef8fb3c3482248b013c59e71bfe10a2acab3ef
sha512
b6d1405629b8295c6b4f4726d042ff678a1e93798c801526db398ef9ae0ef54ed03990cfdc571ddbeac17727e3944af197531ef4c5ed6bf29db0b5770a4f2322
ripemd-160
c3e8643712bd2a9a6a3de0e05d2a9ce09d52f7fd
Diameter
59831962
Circumference
187967652.26906
Area
2.811618356948E+15
Volume
1.1214976179428E+23
Surface area
1.1246473427792E+16
Circumference
187967652.26906
Perimeter
119663924
Area
894965919192361
Diagonal
42307586.061896
Surface area
5369795515154166
Volume
2.6773783434206E+22
Space diagonal
51815999.050265
Perimeter
89747943
Area
3.8753161077094E+14
Altitude
25907999.525133
Surface area
3.8753161077094E+14
Volume
3.1553206373912E+21
Height
14102528.687299