38991491 is an odd 8-digits composite number following 38991490
and preceding 38991492 . In scientific notation, it is written as 3.8991491 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 30012000 positive integers (up to 38991491) that are relatively prime to 38991491.
38991491 has 16 divisors, whose sum is 49206528
The reverse of 38991491 is 19419983
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
thirty-eight million nine hundred ninety-one thousand four hundred ninety-one
Scientific notation
3.8991491 × 10^7
Engineering notation
3.8991491 × 10^6
Prime Factorization
7 × 11 × 83 × 6101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38991491
Product of the distinct prime numbers
The prime factorization of 38991491 is 7 × 11 × 83 × 6101.
Since it has a total of 4 prime factors.
9 , 3 , 10 , 67 , 517 , 7 , 1000 , 6391 , 72892 , 14213 , 121079 , 931041 , 419473 , 6924906 , 9284489 , 36662719 , 876195880 , 881577622 , 388486632 , 2176258424
n×2
77982982
n×3
116974473
n×4
155965964
n×5
194957455
n÷2
19495745.5
n÷3
12997163.666667
n÷3
9747872.75
n÷5
7798298.2
n2
1520336370403081
n3
5.9280181903544E+22
n4
2.3114226791704E+30
n5
9.0125816592069E+37
2 √n
6244.3166960045
3 √n
339.09647941509
4 √n
79.020988958659
5 √n
32.975695831185
1 , 7 , 11 , 77 , 83 , 581 , 913 , 6101 , 6391 , 42707 , 67111 , 469777 , 506383 , 3544681 , 5570213 , 38991491
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
-38991490
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 38991491 can be divided by 16 positive divisors.
The sum of these divisors (counting 38991491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100101111011010000011
3
Ternary
2201100222021022
4
Quaternary
2110233122003
5
Quinary
34440211431
6
Senary
3511420055
8
Octal
224573203
10
Decimal
38991491
12
Duodecimal
1108462b
16
Hexadecimal
252f683
20
Vigesimal
c3dieb
36
Base36
n7q0z
md5
e076a6886bc73d65d1d5b38bd52fab66
sha1
2e0f20e20fe69804535188db479501abb6e28dfe
sha256
4300c10f781844c3c1c0c3358475a573ec9c7b7d9d01efd6c9d730b17f67b952
sha512
356046d26f671372476e467bb7ac42b16d9e6eb5239f3af1083361c226ae4d966d173994267ef7de6eaff7e11685fefcbb16d0a0687c65aab8243e34fbdd65b1
ripemd-160
02b18ecafc01bba9c464723f564ca5349385de2a
Diameter
77982982
Circumference
244990763.35623
Area
4.7762775722437E+15
Volume
2.4831224529552E+23
Surface area
1.9105110288975E+16
Circumference
244990763.35623
Perimeter
155965964
Area
1520336370403081
Diagonal
55142295.389348
Surface area
9122018222418486
Volume
5.9280181903544E+22
Space diagonal
67535243.474865
Perimeter
116974473
Area
6.5832495953325E+14
Altitude
33767621.737432
Surface area
6.5832495953325E+14
Volume
6.9862364356614E+21
Height
18380765.129783