38991289 is an odd 8-digits composite number following 38991288
and preceding 38991290 . In scientific notation, it is written as 3.8991289 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 38961280 positive integers (up to 38991289) that are relatively prime to 38991289.
38991289 has 4 divisors, whose sum is 39021300
The reverse of 38991289 is 98219983
Previous prime number is 1361
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
thirty-eight million nine hundred ninety-one thousand two hundred eighty-nine
Scientific notation
3.8991289 × 10^7
Engineering notation
3.8991289 × 10^6
Prime Factorization
1361 × 28649
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38991289
Product of the distinct prime numbers
The prime factorization of 38991289 is 1361 × 28649.
Since it has a total of 2 prime factors.
4 , 5 , 8 , 11 , 403 , 411 , 4131 , 2863 , 12729 , 65318 , 774763 , 823171 , 6788394 , 9679554 , 12594679 , 80174143 , 932703768 , 432103440 , 4605214094 , 6395226630
n×2
77982578
n×3
116973867
n×4
155965156
n×5
194956445
n÷2
19495644.5
n÷3
12997096.333333
n÷3
9747822.25
n÷5
7798257.8
n2
1520320617881521
n3
5.9279260584477E+22
n4
2.3113747811556E+30
n5
9.0123482079352E+37
2 √n
6244.3005212754
3 √n
339.09589383769
4 √n
79.020886614081
5 √n
32.975661664221
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
-38991288
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 38991289 can be divided by 4 positive divisors.
The sum of these divisors (counting 38991289) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010100101111010110111001
3
Ternary
2201100221222211
4
Quaternary
2110233112321
5
Quinary
34440210124
6
Senary
3511415121
8
Octal
224572671
10
Decimal
38991289
12
Duodecimal
110844a1
16
Hexadecimal
252f5b9
20
Vigesimal
c3di49
36
Base36
n7pvd
md5
bfae6abe65e3adc6803e1327ffbc3c10
sha1
ec5e181e0cdb6db2717de5b2f499832a0796c916
sha256
5c94171591b4e75b0778dff84efa4eb84a94838b7005383fd4ad266e5c18f5fa
sha512
078fc4167744a4a47852d2f3c0d968d8f59a38389823c160c1e0d979165c62cfac9590050d2075c0df42f217cdaac2fe19ee4756fd3e084a6a1bc5d7595c0c4d
ripemd-160
b901a116e8e90c76c48ed6a082f5e902f2871364
Diameter
77982578
Circumference
244989494.15279
Area
4.7762280842377E+15
Volume
2.4830838608324E+23
Surface area
1.9104912336951E+16
Circumference
244989494.15279
Perimeter
155965156
Area
1520320617881521
Diagonal
55142009.718209
Surface area
9121923707289126
Volume
5.9279260584477E+22
Space diagonal
67534893.600601
Perimeter
116973867
Area
6.5831813849133E+14
Altitude
33767446.800301
Surface area
6.5831813849133E+14
Volume
6.986127857168E+21
Height
18380669.90607