39897989 is an odd 8-digits prime number following 39897988
and preceding 39897990 . In scientific notation, it is written as 3.9897989 × 10^7.
The sum of its digits is 62. It has a total of 1 prime factors and 2 positive divisors.
There are 39897988 positive integers (up to 39897989) that are relatively prime to 39897989.
39897989 has 2 divisors, whose sum is 39897990
The reverse of 39897989 is 98979893
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 62 Digital Root 8
Name
thirty-nine million eight hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
3.9897989 × 10^7
Engineering notation
3.9897989 × 10^6
Prime Factorization
39897989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
39897989 Product of the distinct prime numbers
The prime factorization of 39897989 is 39897989.
Since it has a total of 1 prime factors.
7 , 5 , 63 , 14 , 659 , 961 , 304 , 6914 , 35890 , 42353 , 391260 , 475051 , 417645 , 3192135 , 75411022 , 86173394 , 314728505 , 65694632 , 5431984499 , 6802702712
n×2
79795978
n×3
119693967
n×4
159591956
n×5
199489945
n÷2
19948994.5
n÷3
13299329.666667
n÷3
9974497.25
n÷5
7979597.8
n2
1591849526244121
n3
6.3511594887743E+22
n4
2.5339849142036E+30
n5
1.0110090223306E+38
2 √n6316.4854943236
3 √n341.70421457927
4 √n79.476320337089
5 √n33.127617363017
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
39897990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
19948995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
6316.4855734815 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999498722 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 39897989 can be divided by 2 positive divisors.
The sum of these divisors (counting 39897989) is 39897990, the average is 19948995.
Base
System
Value
2
Binary
10011000001100101110000101
3
Ternary
2210002000202022
4
Quaternary
2120030232011
5
Quinary
40203213424
6
Senary
3543052525
8
Octal
230145605
10
Decimal
39897989
12
Duodecimal
11441145
16
Hexadecimal
260cb85
20
Vigesimal
c974j9
36
Base36
nr5hh
md5
1229b9e9387abb562aaa1bca576e984c
sha1
c54a1f4e204b33bab89befdc9699647f30845457
sha256
1c2ab2957a318a1cda2629cf419e629efe60e530977c138e22a475cbb6996eb7
sha512
ccf5bc629789e18580b9925a58bb60b7ea6d688ce54613027f73656705864809c6caa6214ddf96db8b9fd7999ad1f44de9b3a808ba8c10b619be7f5fccac960d
ripemd-160
7c55d2692b389c8d219979d6b61c0d6409d11f32
Diameter
79795978
Circumference
250686458.27081
Area
5.0009427772689E+15
Volume
2.6603674655614E+23
Surface area
2.0003771109076E+16
Circumference
250686458.27081
Perimeter
159591956
Area
1591849526244121
Diagonal
56424277.155213
Surface area
9551097157464726
Volume
6.3511594887743E+22
Space diagonal
69105344.067824
Perimeter
119693967
Area
6.8929106436482E+14
Altitude
34552672.033912
Surface area
6.8929106436482E+14
Volume
7.4849132381827E+21
Height
18808092.385071