39898981 is an odd 8-digits composite number following 39898980
and preceding 39898982 . In scientific notation, it is written as 3.9898981 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 39874752 positive integers (up to 39898981) that are relatively prime to 39898981.
39898981 has 4 divisors, whose sum is 39923212
The reverse of 39898981 is 18989893
Previous prime number is 1777
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
thirty-nine million eight hundred ninety-eight thousand nine hundred eighty-one
Scientific notation
3.9898981 × 10^7
Engineering notation
3.9898981 × 10^6
Prime Factorization
1777 × 22453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
39898981
Product of the distinct prime numbers
The prime factorization of 39898981 is 1777 × 22453.
Since it has a total of 2 prime factors.
10 , 9 , 65 , 86 , 308 , 18 , 7578 , 8233 , 7252 , 72779 , 911535 , 497137 , 14114 , 8309103 , 56811928 , 38881159 , 452697477 , 147019439 , 2065050933 , 1823834954
n×2
79797962
n×3
119696943
n×4
159595924
n×5
199494905
n÷2
19949490.5
n÷3
13299660.333333
n÷3
9974745.25
n÷5
7979796.2
n2
1591928684838361
n3
6.3516332349721E+22
n4
2.5342369376112E+30
n5
1.0111347142325E+38
2 √n
6316.5640185151
3 √n
341.70704653296
4 √n
79.476814345538
5 √n
33.127782094476
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-39898980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 39898981 can be divided by 4 positive divisors.
The sum of these divisors (counting 39898981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011000001100111101100101
3
Ternary
2210002002010001
4
Quaternary
2120030331211
5
Quinary
40203231411
6
Senary
3543101301
8
Octal
230147545
10
Decimal
39898981
12
Duodecimal
11441831
16
Hexadecimal
260cf65
20
Vigesimal
c97791
36
Base36
nr691
md5
01514cacdeca7362299bee3013f8d580
sha1
2fc477a0b76716ef0b09616283723ff7bb2940f1
sha256
791a3abdee03f44299f0a68e9f5d46bb8ec952e00f52bf025cdf09c75b43be9d
sha512
1e6693ed648c8edc1f6e439423bbe5ee3e76a53ae8eeb095bbaf31abd955475324072949ee56bbddbbddcb00c61a156f2516ad542da4d6160530690d32185d1f
ripemd-160
c408e3add3816d8cca96f0536ba04e25e93f58fb
Diameter
79797962
Circumference
250692691.19064
Area
5.0011914613271E+15
Volume
2.6605659079047E+23
Surface area
2.0004765845308E+16
Circumference
250692691.19064
Perimeter
159595924
Area
1591928684838361
Diagonal
56425680.055066
Surface area
9551572109030166
Volume
6.3516332349721E+22
Space diagonal
69107062.262225
Perimeter
119696943
Area
6.8932534104159E+14
Altitude
34553531.131113
Surface area
6.8932534104159E+14
Volume
7.485471553431E+21
Height
18808560.018355