38991638 is an even 8-digits composite number following 38991637
and preceding 38991639 . In scientific notation, it is written as 3.8991638 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 16474920 positive integers (up to 38991638) that are relatively prime to 38991638.
38991638 has 16 divisors, whose sum is 67785984
The reverse of 38991638 is 83619983
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-eight million nine hundred ninety-one thousand six hundred thirty-eight
Scientific notation
3.8991638 × 10^7
Engineering notation
3.8991638 × 10^6
Prime Factorization
2 × 7 × 71 × 39227
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38991638
Product of the distinct prime numbers
The prime factorization of 38991638 is 2 × 7 × 71 × 39227.
Since it has a total of 4 prime factors.
2 , 2 , 96 , 65 , 404 , 374 , 4085 , 9961 , 77823 , 89413 , 698302 , 880035 , 610127 , 9021261 , 6095280 , 16710081 , 413646265 , 70534761 , 9317143575 , 6701262188
n×2
77983276
n×3
116974914
n×4
155966552
n×5
194958190
n÷2
19495819
n÷3
12997212.666667
n÷3
9747909.5
n÷5
7798327.6
n2
1520347833923044
n3
5.9280852374411E+22
n4
2.3114575361145E+30
n5
9.0127515500548E+37
2 √n
6244.3284666968
3 √n
339.09690555182
4 √n
79.021063436889
5 √n
32.975720695174
1 , 2 , 7 , 14 , 71 , 142 , 497 , 994 , 39227 , 78454 , 274589 , 549178 , 2785117 , 5570234 , 19495819 , 38991638
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
-38991637
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 38991638 can be divided by 16 positive divisors.
The sum of these divisors (counting 38991638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100101111011100010110
3
Ternary
2201100222110202
4
Quaternary
2110233130112
5
Quinary
34440213023
6
Senary
3511420502
8
Octal
224573426
10
Decimal
38991638
12
Duodecimal
11084732
16
Hexadecimal
252f716
20
Vigesimal
c3dj1i
36
Base36
n7q52
md5
8acda94957a28068716cf58ffe8578d2
sha1
e080cf0450c410e2ae7ecc78d18fab97080ca990
sha256
1d99b2db396efd3b9fe2710740bc9d68f66fa1692cfd9a178d3212ddfb1c5ed9
sha512
54437f0651805a5174e6a38e5ae18d9be1a6f98ad3a5bf789e50e4e1879a722c6f3f1a1af6984a57e1d5c4921c52040902adc93b4c2eda3c53e504f284144c58
ripemd-160
a32b7a04727259403d5da54a2c32b9da25a13202
Diameter
77983276
Circumference
244991686.98447
Area
4.7763135859538E+15
Volume
2.4831505375732E+23
Surface area
1.9105254343815E+16
Circumference
244991686.98447
Perimeter
155966552
Area
1520347833923044
Diagonal
55142503.278742
Surface area
9122087003538264
Volume
5.9280852374411E+22
Space diagonal
67535498.086333
Perimeter
116974914
Area
6.58329923383E+14
Altitude
33767749.043167
Surface area
6.58329923383E+14
Volume
6.9863154514108E+21
Height
18380834.426247