38991288 is an even 8-digits composite number following 38991287
and preceding 38991289 . In scientific notation, it is written as 3.8991288 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors.
There are 11140320 positive integers (up to 38991288) that are relatively prime to 38991288.
38991288 has 16 divisors, whose sum is 76590360
The reverse of 38991288 is 88219983
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
thirty-eight million nine hundred ninety-one thousand two hundred eighty-eight
Scientific notation
3.8991288 × 10^7
Engineering notation
3.8991288 × 10^6
Prime Factorization
2 × 2 × 2 × 21 × 232091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9747822
Product of the distinct prime numbers
The prime factorization of 38991288 is 2 × 2 × 2 × 21 × 232091.
Since it has a total of 5 prime factors.
9 , 9 , 89 , 79 , 935 , 581 , 9096 , 2691 , 66199 , 9270 , 873284 , 7492 , 545245 , 5117635 , 76191743 , 91056428 , 93250309 , 784433630 , 4829884808 , 5453139014
n×2
77982576
n×3
116973864
n×4
155965152
n×5
194956440
n÷2
19495644
n÷3
12997096
n÷3
9747822
n÷5
7798257.6
n2
1520320539898944
n3
5.9279256023515E+22
n4
2.3113745440386E+30
n5
9.0123470522478E+37
2 √n
6244.3004412024
3 √n
339.09589093879
4 √n
79.020886107423
5 √n
32.975661495077
1 , 2 , 4 , 8 , 21 , 42 , 84 , 168 , 232091 , 464182 , 928364 , 1856728 , 4873911 , 9747822 , 19495644 , 38991288
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
-38991287
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 38991288 can be divided by 16 positive divisors.
The sum of these divisors (counting 38991288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100101111010110111000
3
Ternary
2201100221222210
4
Quaternary
2110233112320
5
Quinary
34440210123
6
Senary
3511415120
8
Octal
224572670
10
Decimal
38991288
12
Duodecimal
110844a0
16
Hexadecimal
252f5b8
20
Vigesimal
c3di48
36
Base36
n7pvc
md5
a84c3a889173169ec2cc3863d7d99b6f
sha1
8e732c132301a882680e4dfb2f9797b4210d95cf
sha256
a9b06bffdc113714a777cfbdba2e99cb14e813f290b3e086bff6d8e9217e6452
sha512
7192e0d411d3ff27ad37c0f3ecfac91a33f685f7038dc361c01a9ec0e47b0b90d14be47eaca3d1a792bab3b5d2f99acd37f64fd8d24a49c994ccbd977359d5bb
ripemd-160
d371e073739c75a15509d6113373eb689daebc92
Diameter
77982576
Circumference
244989487.86961
Area
4.7762278392482E+15
Volume
2.4830836697833E+23
Surface area
1.9104911356993E+16
Circumference
244989487.86961
Perimeter
155965152
Area
1520320539898944
Diagonal
55142008.303995
Surface area
9121923239393664
Volume
5.9279256023515E+22
Space diagonal
67534891.868551
Perimeter
116973864
Area
6.5831810472388E+14
Altitude
33767445.934275
Surface area
6.5831810472388E+14
Volume
6.9861273196535E+21
Height
18380669.434665