38642778 is an even 8-digits composite number following 38642777
and preceding 38642779 . In scientific notation, it is written as 3.8642778 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 12819168 positive integers (up to 38642778) that are relatively prime to 38642778.
38642778 has 32 divisors, whose sum is 86284800
The reverse of 38642778 is 87724683
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-eight million six hundred forty-two thousand seven hundred seventy-eight
Scientific notation
3.8642778 × 10^7
Engineering notation
3.8642778 × 10^6
Prime Factorization
2 × 3 × 9 × 223 × 3209
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
38642778
Product of the distinct prime numbers
The prime factorization of 38642778 is 2 × 3 × 9 × 223 × 3209.
Since it has a total of 5 prime factors.
2 , 9 , 67 , 84 , 320 , 792 , 9960 , 7360 , 41333 , 80785 , 805711 , 149597 , 129073 , 1684923 , 97992816 , 46136660 , 967184251 , 688283848 , 3193987978 , 2486079282
n×2
77285556
n×3
115928334
n×4
154571112
n×5
193213890
n÷2
19321389
n÷3
12880926
n÷3
9660694.5
n÷5
7728555.6
n2
1493264291557284
n3
5.7703880513975E+22
n4
2.2298382444401E+30
n5
8.6167144255808E+37
2 √n
6216.3315548642
3 √n
338.08256913952
4 √n
78.843716013796
5 √n
32.916501317242
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 223 , 446 , 669 , 1338 , 2007 , 3209 , 4014 , 6021 , 6418 , 9627 , 12042 , 19254 , 28881 , 57762 , 86643 , 173286 , 715607 , 1431214 , 2146821 , 4293642 , 6440463 , 12880926 , 19321389 , 38642778
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38642777
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38642778 can be divided by 32 positive divisors.
The sum of these divisors (counting 38642778) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10010011011010010001011010
3
Ternary
2200201020221000
4
Quaternary
2103122101122
5
Quinary
34343032103
6
Senary
3500125430
8
Octal
223322132
10
Decimal
38642778
12
Duodecimal
10b36876
16
Hexadecimal
24da45a
20
Vigesimal
c1a6ii
36
Base36
n08yi
md5
356a78254ac09dbdbfeaea448e5dcb13
sha1
2d885fdfe2d068091be2ab423b2a1c01a5cbf755
sha256
428ae8b2ec1c1359c37b7ad430b745e434a402087edd7f4d3c266616d1e5522a
sha512
d3acce232ada156f16e9975ab81f19615c3bf22f0450601bfedb50b07a0912bf8d245c068beb4f4b71fb4f6e8999ae108d141848ab2db0de91da1bfdcc45700d
ripemd-160
fba18dbc261253761a808752ca072a697d04c57d
Diameter
77285556
Circumference
242799734.9582
Area
4.6912281282243E+15
Volume
2.417094494751E+23
Surface area
1.8764912512897E+16
Circumference
242799734.9582
Perimeter
154571112
Area
1493264291557284
Diagonal
54649140.735373
Surface area
8959585749343704
Volume
5.7703880513975E+22
Space diagonal
66931254.841605
Perimeter
115928334
Area
6.4660240552639E+14
Altitude
33465627.420802
Surface area
6.4660240552639E+14
Volume
6.8004675353684E+21
Height
18216380.245124