38988891 is an odd 8-digits composite number following 38988890
and preceding 38988892 . In scientific notation, it is written as 3.8988891 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 25932384 positive integers (up to 38988891) that are relatively prime to 38988891.
38988891 has 16 divisors, whose sum is 57895200
The reverse of 38988891 is 19888983
Previous prime number is 509
Is Prime? no Number parity odd Number length 8 Sum of Digits 54 Digital Root 9
Name
thirty-eight million nine hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
3.8988891 × 10^7
Engineering notation
3.8988891 × 10^6
Prime Factorization
9 × 3 × 509 × 2837
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
38988891 Product of the distinct prime numbers
The prime factorization of 38988891 is 9 × 3 × 509 × 2837.
Since it has a total of 4 prime factors.
1 , 4 , 36 , 94 , 321 , 771 , 3156 , 7073 , 60600 , 21268 , 476895 , 392288 , 933534 , 777376 , 20561090 , 29915004 , 984302957 , 888499046 , 8447242130 , 3710642593
n×2
77977782
n×3
116966673
n×4
155955564
n×5
194944455
n÷2
19494445.5
n÷3
12996297
n÷3
9747222.75
n÷5
7797778.2
n2
1520133621409881
n3
5.9268324070585E+22
n4
2.3108062269407E+30
n5
9.0095772104313E+37
2 √n6244.1085032213
3 √n339.08894212579
4 √n79.019671621826
5 √n32.975256047561
1 , 3 , 9 , 27 , 509 , 1527 , 2837 , 4581 , 8511 , 13743 , 25533 , 76599 , 1444033 , 4332099 , 12996297 , 38988891
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-38988890 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38988891 can be divided by 16 positive divisors.
The sum of these divisors (counting 38988891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100101110110001011011
3
Ternary
2201100211201000
4
Quaternary
2110232301123
5
Quinary
34440121031
6
Senary
3511400043
8
Octal
224566133
10
Decimal
38988891
12
Duodecimal
11083023
16
Hexadecimal
252ec5b
20
Vigesimal
c3dc4b
36
Base36
n7o0r
md5
65bf35110b6d9e534b2befefd8f71e18
sha1
9430f75aa0ae9a6570a74dfc956d1ed6088af9da
sha256
90c5cd186607d25cc9ff65e899071e9bcb643b70fa75a12b1097dab1c32f0479
sha512
78bdbc956e648a1db276c5cc2d12c5f969b963e384b1897e871784cc68d0e36bc6a1423d4caf21dab7f850062c96e0ec35b4aa8af20b68d00b75ffa9f9c80c9b
ripemd-160
2703f28f0a2028844c58a6da1efe66505bc47a40
Diameter
77977782
Circumference
244974427.07443
Area
4.7756406174961E+15
Volume
2.4826257532097E+23
Surface area
1.9102562469985E+16
Circumference
244974427.07443
Perimeter
155955564
Area
1520133621409881
Diagonal
55138618.434086
Surface area
9120801728459286
Volume
5.9268324070585E+22
Space diagonal
67530740.142765
Perimeter
116966673
Area
6.582371666439E+14
Altitude
33765370.071382
Surface area
6.582371666439E+14
Volume
6.9848389766454E+21
Height
18379539.478029