38890987 is an odd 8-digits prime number following 38890986
and preceding 38890988 . In scientific notation, it is written as 3.8890987 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 38890986 positive integers (up to 38890987) that are relatively prime to 38890987.
38890987 has 2 divisors, whose sum is 38890988
The reverse of 38890987 is 78909883
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
thirty-eight million eight hundred ninety thousand nine hundred eighty-seven
Scientific notation
3.8890987 × 10^7
Engineering notation
3.8890987 × 10^6
Prime Factorization
38890987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
38890987 Product of the distinct prime numbers
The prime factorization of 38890987 is 38890987.
Since it has a total of 1 prime factors.
8 , 5 , 72 , 43 , 358 , 676 , 2295 , 1037 , 37199 , 51765 , 419534 , 908221 , 602756 , 8722735 , 33666885 , 37236819 , 154362783 , 107948872 , 3290837286 , 1454981948
n×2
77781974
n×3
116672961
n×4
155563948
n×5
194454935
n÷2
19445493.5
n÷3
12963662.333333
n÷3
9722746.75
n÷5
7778197.4
n2
1512508869834169
n3
5.8822962794105E+22
n4
2.287683081327E+30
n5
8.897025297601E+37
2 √n6236.2638654887
3 √n338.80487838821
4 √n78.970018776044
5 √n32.958678725202
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
38890988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
19445494 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
6236.2639456649 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999485742 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38890987 can be divided by 2 positive divisors.
The sum of these divisors (counting 38890987) is 38890988, the average is 19445494.
Base
System
Value
2
Binary
10010100010110110111101011
3
Ternary
2201011212101221
4
Quaternary
2110112313223
5
Quinary
34424002422
6
Senary
3505322511
8
Octal
224266753
10
Decimal
38890987
12
Duodecimal
11036437
16
Hexadecimal
2516deb
20
Vigesimal
c31797
36
Base36
n5kh7
md5
89fae68b569e57642742079d578aaa00
sha1
9405d6b32165617f812110517eba8e64101913c7
sha256
96c36f553f5a81de3c39e3e72b031544608a07f7447f6b11ad746bcde7fd5dd1
sha512
64f5fede95543228856e1a430ba552b409b068e55966e9b2664243a9b3a1364da74b08c9b73dc279c301f689c12ffdafd3d83dfc986540f051dcd7f87426e1d9
ripemd-160
5755afe462135df7e2cdd3c3cee25ed4e83c87af
Diameter
77781974
Circumference
244359278.10011
Area
4.7516867539604E+15
Volume
2.4639705036846E+23
Surface area
1.9006747015842E+16
Circumference
244359278.10011
Perimeter
155563948
Area
1512508869834169
Diagonal
55000161.269476
Surface area
9075053219005014
Volume
5.8822962794105E+22
Space diagonal
67361165.440501
Perimeter
116672961
Area
6.5493555236284E+14
Altitude
33680582.72025
Surface area
6.5493555236284E+14
Volume
6.932352646866E+21
Height
18333387.089825