20139990 is an even 8-digits composite number following 20139989
and preceding 20139991 . In scientific notation, it is written as 2.0139990 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 4902912 positive integers (up to 20139990) that are relatively prime to 20139990.
20139990 has 32 divisors, whose sum is 37592640
The reverse of 20139990 is 09993102
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred thirty-nine thousand nine hundred ninety
Scientific notation
2.0139990 × 10^7
Engineering notation
2.0139990 × 10^6
Prime Factorization
2 × 39 × 5 × 113 × 457
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20139990
Product of the distinct prime numbers
The prime factorization of 20139990 is 2 × 39 × 5 × 113 × 457.
Since it has a total of 5 prime factors.
4 , 8 , 85 , 57 , 815 , 974 , 2616 , 6596 , 18360 , 34933 , 36208 , 562971 , 1758732 , 1604574 , 18391141 , 23887152 , 752305869 , 49361233 , 7323484057 , 6798348091
n×2
40279980
n×3
60419970
n×4
80559960
n×5
100699950
n÷2
10069995
n÷3
6713330
n÷3
5034997.5
n÷5
4027998
n2
405619197200100
n3
8.169166575418E+21
n4
1.6452693313725E+29
n5
3.313570788115E+36
2 √n
4487.7600203219
3 √n
272.07360861054
4 √n
66.990745781204
5 √n
28.894278211231
1 , 2 , 5 , 10 , 39 , 78 , 113 , 195 , 226 , 390 , 457 , 565 , 914 , 1130 , 2285 , 4407 , 4570 , 8814 , 17823 , 22035 , 35646 , 44070 , 51641 , 89115 , 103282 , 178230 , 258205 , 516410 , 2013999 , 4027998 , 10069995 , 20139990
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
-20139989
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 20139990 can be divided by 32 positive divisors.
The sum of these divisors (counting 20139990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100111111010110
3
Ternary
1101220012212120
4
Quaternary
1030310333112
5
Quinary
20123434430
6
Senary
1555400410
8
Octal
114647726
10
Decimal
20139990
12
Duodecimal
68b3106
16
Hexadecimal
1334fd6
20
Vigesimal
65h9ja
36
Base36
bzo46
md5
cf0efadc003fba660239b70e6b79b1c0
sha1
f675d69f140a74255bb21bf4e0a88d6cb80510a0
sha256
9afa330bd5a28f0b5b8892a6fc718ef9d5cfcc18acb69ef2a5031e4f6e1a4156
sha512
32726473abf397c585193873cd66d091b8cb2b10d441fc0d1e743ec214e8f83ca6b3bf7ef8c220d227d3ed6779cfe30670c710cfb72ef693fa98dd17a79312be
ripemd-160
469ce8827ba778a562c3ccba832d7ac0f0215002
Diameter
40279980
Circumference
126543289.25474
Area
1.2742902900788E+15
Volume
3.4218924932379E+22
Surface area
5.0971611603153E+15
Circumference
126543289.25474
Perimeter
80559960
Area
405619197200100
Diagonal
28482247.004059
Surface area
2433715183200600
Volume
8.169166575418E+21
Space diagonal
34883485.943929
Perimeter
60419970
Area
1.7563826451897E+14
Altitude
17441742.971965
Surface area
1.7563826451897E+14
Volume
9.6274551368676E+20
Height
9494082.3346862