38721885 is an odd 8-digits composite number following 38721884
and preceding 38721886 . In scientific notation, it is written as 3.8721885 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 20064000 positive integers (up to 38721885) that are relatively prime to 38721885.
38721885 has 16 divisors, whose sum is 42497280
The reverse of 38721885 is 58812783
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-eight million seven hundred twenty-one thousand eight hundred eighty-five
Scientific notation
3.8721885 × 10^7
Engineering notation
3.8721885 × 10^6
Prime Factorization
15 × 101 × 61 × 419
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38721885
Product of the distinct prime numbers
The prime factorization of 38721885 is 15 × 101 × 61 × 419.
Since it has a total of 4 prime factors.
7 , 9 , 45 , 47 , 299 , 89 , 5650 , 6385 , 20328 , 8469 , 561645 , 154003 , 5508707 , 6957735 , 90858827 , 95964198 , 84621851 , 141057225 , 9908898678 , 3624882836
n×2
77443770
n×3
116165655
n×4
154887540
n×5
193609425
n÷2
19360942.5
n÷3
12907295
n÷3
9680471.25
n÷5
7744377
n2
1499384377953225
n3
5.8058989453901E+22
n4
2.2481535128502E+30
n5
8.7052741786931E+37
2 √n
6222.6911380849
3 √n
338.31311216206
4 √n
78.884036015438
5 √n
32.929967202379
1 , 15 , 61 , 101 , 419 , 915 , 1515 , 6161 , 6285 , 25559 , 42319 , 92415 , 383385 , 634785 , 2581459 , 38721885
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
-38721884
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 38721885 can be divided by 16 positive divisors.
The sum of these divisors (counting 38721885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011101101100101011101
3
Ternary
2200212021102220
4
Quaternary
2103231211131
5
Quinary
34403100020
6
Senary
3501535553
8
Octal
223554535
10
Decimal
38721885
12
Duodecimal
10b745b9
16
Hexadecimal
24ed95d
20
Vigesimal
c204e5
36
Base36
n1xzx
md5
c465b01a0da10506fff5eb194a9a070f
sha1
d972503498b3fc0ee2e86cfd69f2fa0abc72cdbc
sha256
0abe825f3ec08131829276d8e7ec1633b82df15ed0e5a2830d8dbfc6fd43ebf9
sha512
fdd6200e2310bd71359a8fe4d9af6a84145b798c02a804cf83418c00327da3117176f4e08869210ecf7a8719df0f34f5f23cec3ee774ea8f379516f23e9eecf6
ripemd-160
2f4b2311d1014e5f5504975e5be776f82991a98a
Diameter
77443770
Circumference
243296778.8983
Area
4.7104549466852E+15
Volume
2.431969263243E+23
Surface area
1.8841819786741E+16
Circumference
243296778.8983
Perimeter
154887540
Area
1499384377953225
Diagonal
54761014.927651
Surface area
8996306267719350
Volume
5.8058989453901E+22
Space diagonal
67068272.184839
Perimeter
116165655
Area
6.4925248067251E+14
Altitude
33534136.09242
Surface area
6.4925248067251E+14
Volume
6.842317525282E+21
Height
18253671.64255