38691387 is an odd 8-digits composite number following 38691386
and preceding 38691388 . In scientific notation, it is written as 3.8691387 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 21223296 positive integers (up to 38691387) that are relatively prime to 38691387.
38691387 has 16 divisors, whose sum is 52640640
The reverse of 38691387 is 78319683
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-eight million six hundred ninety-one thousand three hundred eighty-seven
Scientific notation
3.8691387 × 10^7
Engineering notation
3.8691387 × 10^6
Prime Factorization
987 × 3 × 73 × 179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38691387
Product of the distinct prime numbers
The prime factorization of 38691387 is 987 × 3 × 73 × 179.
Since it has a total of 4 prime factors.
2 , 7 , 88 , 51 , 320 , 260 , 3416 , 2724 , 72066 , 83446 , 167644 , 620900 , 5220028 , 9412994 , 4808206 , 79874759 , 246420080 , 866314032 , 2049347344 , 2234345586
n×2
77382774
n×3
116074161
n×4
154765548
n×5
193456935
n÷2
19345693.5
n÷3
12897129
n÷3
9672846.75
n÷5
7738277.4
n2
1497023427983769
n3
5.7921912800187E+22
n4
2.2410791439323E+30
n5
8.6710460455512E+37
2 √n
6220.2401079058
3 √n
338.22426849029
4 √n
78.868498831319
5 √n
32.924778329523
1 , 3 , 73 , 179 , 219 , 537 , 987 , 2961 , 13067 , 39201 , 72051 , 176673 , 216153 , 530019 , 12897129 , 38691387
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
-38691386
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 38691387 can be divided by 16 positive divisors.
The sum of these divisors (counting 38691387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011100110001000111011
3
Ternary
2200210201121100
4
Quaternary
2103212020323
5
Quinary
34401111022
6
Senary
3501142443
8
Octal
223461073
10
Decimal
38691387
12
Duodecimal
10b5aa23
16
Hexadecimal
24e623b
20
Vigesimal
c1g897
36
Base36
n1agr
md5
cea41f2392e3751af791ea5438c44780
sha1
e8446e010735816b428f8dc8083626a2549c88b7
sha256
4ed842ee14a695746e14e6ae856cdf42e9de7dcc53eb383e6cb41d64fc49510c
sha512
7ef44396707d4aa9295c661fee7f40321ba4c7a49ec80e87a152f83ccd96664f1a17bdbfe4c96627972fa137b743fb1bb6f487e46c0f86deaaf0d174dbff3c58
ripemd-160
1e6eb117c7d9e7de02f70e7b8da6163d82ad3418
Diameter
77382774
Circumference
243105154.3128
Area
4.7030378036056E+15
Volume
2.4262274097991E+23
Surface area
1.8812151214422E+16
Circumference
243105154.3128
Perimeter
154765548
Area
1497023427983769
Diagonal
54717884.242426
Surface area
8982140567902614
Volume
5.7921912800187E+22
Space diagonal
67015448.09931
Perimeter
116074161
Area
6.482301593472E+14
Altitude
33507724.049655
Surface area
6.482301593472E+14
Volume
6.826162886718E+21
Height
18239294.747475