38642731 is an odd 8-digits prime number following 38642730
and preceding 38642732 . In scientific notation, it is written as 3.8642731 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 38642730 positive integers (up to 38642731) that are relatively prime to 38642731.
38642731 has 2 divisors, whose sum is 38642732
The reverse of 38642731 is 13724683
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
thirty-eight million six hundred forty-two thousand seven hundred thirty-one
Scientific notation
3.8642731 × 10^7
Engineering notation
3.8642731 × 10^6
Prime Factorization
38642731
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
38642731 Product of the distinct prime numbers
The prime factorization of 38642731 is 38642731.
Since it has a total of 1 prime factors.
5 , 4 , 24 , 68 , 840 , 7 , 1112 , 9420 , 87156 , 64731 , 633303 , 949660 , 6485645 , 1187990 , 65560651 , 94079728 , 270749615 , 788678395 , 3803776600 , 6617673354
n×2
77285462
n×3
115928193
n×4
154570924
n×5
193213655
n÷2
19321365.5
n÷3
12880910.333333
n÷3
9660682.75
n÷5
7728546.2
n2
1493260659138361
n3
5.7703669963966E+22
n4
2.2298273961303E+30
n5
8.6166620245095E+37
2 √n6216.3277744984
3 √n338.08243207306
4 √n78.84369204
5 √n32.916493310176
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
38642732 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
19321366 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
6216.3278549317 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999482438 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38642731 can be divided by 2 positive divisors.
The sum of these divisors (counting 38642731) is 38642732, the average is 19321366.
Base
System
Value
2
Binary
10010011011010010000101011
3
Ternary
2200201020212021
4
Quaternary
2103122100223
5
Quinary
34343031411
6
Senary
3500125311
8
Octal
223322053
10
Decimal
38642731
12
Duodecimal
10b36837
16
Hexadecimal
24da42b
20
Vigesimal
c1a6gb
36
Base36
n08x7
md5
3f3a27d1028a5d5e12defab9177d092c
sha1
951f5ae11623e6d8a81eaaa28b3cb500bfdbc8fb
sha256
2cc33d609a138c8fffedcc64b5d58aa81df245e207dfad4c802266263f600b7b
sha512
cb3fca888b302c2d2b817776c48e45562012f853d8d633e465f572f29ec795f72b42ed287da94afb2fc5b2a6b4663d941214f8ff86982f47775bb99b12701baa
ripemd-160
94dc15f342dd6a3d87716c6a0ec02581867f3ea8
Diameter
77285462
Circumference
242799439.64849
Area
4.6912167166437E+15
Volume
2.4170856752529E+23
Surface area
1.8764866866575E+16
Circumference
242799439.64849
Perimeter
154570924
Area
1493260659138361
Diagonal
54649074.267335
Surface area
8959563954830166
Volume
5.7703669963966E+22
Space diagonal
66931173.435217
Perimeter
115928193
Area
6.4660083264286E+14
Altitude
33465586.717608
Surface area
6.4660083264286E+14
Volume
6.8004427218119E+21
Height
18216358.089112