38991807 is an odd 8-digits composite number following 38991806
and preceding 38991808 . In scientific notation, it is written as 3.8991807 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 25754112 positive integers (up to 38991807) that are relatively prime to 38991807.
38991807 has 8 divisors, whose sum is 40810000
The reverse of 38991807 is 70819983
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-eight million nine hundred ninety-one thousand eight hundred seven
Scientific notation
3.8991807 × 10^7
Engineering notation
3.8991807 × 10^6
Prime Factorization
27 × 109 × 13249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38991807
Product of the distinct prime numbers
The prime factorization of 38991807 is 27 × 109 × 13249.
Since it has a total of 3 prime factors.
9 , 2 , 55 , 25 , 46 , 802 , 9794 , 6225 , 86235 , 46957 , 347303 , 856608 , 802977 , 16127 , 6733951 , 72921768 , 806832762 , 225613604 , 544438294 , 6665143648
n×2
77983614
n×3
116975421
n×4
155967228
n×5
194959035
n÷2
19495903.5
n÷3
12997269
n÷3
9747951.75
n÷5
7798361.4
n2
1520361013125249
n3
5.9281623194104E+22
n4
2.3114976102312E+30
n5
9.0129468699097E+37
2 √n
6244.3419989619
3 √n
339.0973954628
4 √n
79.02114906126
5 √n
32.975749280211
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38991806
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38991807 can be divided by 8 positive divisors.
The sum of these divisors (counting 38991807) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010100101111011110111111
3
Ternary
2201100222201000
4
Quaternary
2110233132333
5
Quinary
34440214212
6
Senary
3511421343
8
Octal
224573677
10
Decimal
38991807
12
Duodecimal
11084853
16
Hexadecimal
252f7bf
20
Vigesimal
c3dja7
36
Base36
n7q9r
md5
3bdb017e1676ae8e893810f41779e91b
sha1
4a841ab810d0e66d141055cb199bf3fe96e1ec5a
sha256
fc800f60967bc46fc8f9e619542a6996d639589aa12db4d26abb2d525e81c598
sha512
b63449aa09b16184a9d27a32734e860972d903001dfc0057f37802dccd287103a3df48fb8e2b8f035aab4d11a1bd595f15115ec0db728a3098a20784288fc7f3
ripemd-160
d6d90efdcc7d0b75a8b9c39b6e5e36ae858222cf
Diameter
77983614
Circumference
244992748.84278
Area
4.7763549896386E+15
Volume
2.483182825593E+23
Surface area
1.9105419958554E+16
Circumference
244992748.84278
Perimeter
155967228
Area
1520361013125249
Diagonal
55142742.280834
Surface area
9122166078751494
Volume
5.9281623194104E+22
Space diagonal
67535790.80292
Perimeter
116975421
Area
6.5833563014496E+14
Altitude
33767895.40146
Surface area
6.5833563014496E+14
Volume
6.9864062933828E+21
Height
18380914.093611