39887989 is an odd 8-digits prime number following 39887988
and preceding 39887990 . In scientific notation, it is written as 3.9887989 × 10^7.
The sum of its digits is 61. It has a total of 1 prime factors and 2 positive divisors.
There are 39887988 positive integers (up to 39887989) that are relatively prime to 39887989.
39887989 has 2 divisors, whose sum is 39887990
The reverse of 39887989 is 98978893
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 61 Digital Root 7
Name
thirty-nine million eight hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
3.9887989 × 10^7
Engineering notation
3.9887989 × 10^6
Prime Factorization
39887989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
39887989 Product of the distinct prime numbers
The prime factorization of 39887989 is 39887989.
Since it has a total of 1 prime factors.
10 , 1 , 34 , 31 , 456 , 240 , 6097 , 1034 , 45617 , 41858 , 250118 , 180047 , 2178225 , 2212983 , 44377488 , 31633209 , 58792408 , 730400621 , 3905211422 , 4141430436
n×2
79775978
n×3
119663967
n×4
159551956
n×5
199439945
n÷2
19943994.5
n÷3
13295996.333333
n÷3
9971997.25
n÷5
7977597.8
n2
1591051666464121
n3
6.3463851370353E+22
n4
2.5314454053583E+30
n5
1.0097426648303E+38
2 √n6315.6938652851
3 √n341.67566403697
4 √n79.47133989864
5 √n33.125956580611
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
39887990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
19943995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
6315.693944453 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999498596 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 39887989 can be divided by 2 positive divisors.
The sum of these divisors (counting 39887989) is 39887990, the average is 19943995.
Base
System
Value
2
Binary
10011000001010010001110101
3
Ternary
2210001112000221
4
Quaternary
2120022101311
5
Quinary
40202403424
6
Senary
3542534341
8
Octal
230122165
10
Decimal
39887989
12
Duodecimal
114373b1
16
Hexadecimal
260a475
20
Vigesimal
c95jj9
36
Base36
nqxrp
md5
66bca762403303c9ce628125d59c6dc5
sha1
040ad8b38722dd0555fa7e051894830a0ec037be
sha256
a4d27de00499302b6e986013db5f97c2e96a349da68861b0b91492588644aff4
sha512
cc0469c2028cd06b885a0347e94558ed8c023cd129e451eab1a227d87a0dc56e59ea585e4dde0f75c197e793fbf42b49443a311180a73b830c0616520943d2ac
ripemd-160
ef6cf8c0a343867e205d9be54c7672019b4ab2f8
Diameter
79775978
Circumference
250623626.41774
Area
4.9984362268455E+15
Volume
2.6583675897815E+23
Surface area
1.9993744907382E+16
Circumference
250623626.41774
Perimeter
159551956
Area
1591051666464121
Diagonal
56410135.019589
Surface area
9546309998784726
Volume
6.3463851370353E+22
Space diagonal
69088023.559748
Perimeter
119663967
Area
6.8894558094575E+14
Altitude
34544011.779874
Surface area
6.8894558094575E+14
Volume
7.4792866106986E+21
Height
18803378.339863