20139818 is an even 8-digits composite number following 20139817
and preceding 20139819 . In scientific notation, it is written as 2.0139818 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10069908 positive integers (up to 20139818) that are relatively prime to 20139818.
20139818 has 4 divisors, whose sum is 30209730
The reverse of 20139818 is 81893102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-nine thousand eight hundred eighteen
Scientific notation
2.0139818 × 10^7
Engineering notation
2.0139818 × 10^6
Prime Factorization
2 × 10069909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20139818
Product of the distinct prime numbers
The prime factorization of 20139818 is 2 × 10069909.
Since it has a total of 2 prime factors.
4 , 6 , 78 , 87 , 927 , 442 , 3513 , 3455 , 6669 , 26626 , 399628 , 143055 , 4786458 , 3158145 , 19964358 , 24916946 , 666747307 , 144459202 , 7557769920 , 6451561189
n×2
40279636
n×3
60419454
n×4
80559272
n×5
100699090
n÷2
10069909
n÷3
6713272.6666667
n÷3
5034954.5
n÷5
4027963.6
n2
405612269073124
n3
8.1689572776997E+21
n4
1.6452131282265E+29
n5
3.3134292973692E+36
2 √n
4487.740857046
3 √n
272.07283408527
4 √n
66.990602751774
5 √n
28.894228858348
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139818 can be divided by 4 positive divisors.
The sum of these divisors (counting 20139818) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100111100101010
3
Ternary
1101220012122012
4
Quaternary
1030310330222
5
Quinary
20123433233
6
Senary
1555355522
8
Octal
114647452
10
Decimal
20139818
12
Duodecimal
68b2ba2
16
Hexadecimal
1334f2a
20
Vigesimal
65h9ai
36
Base36
bznze
md5
199f92493eba21569db527dc04e7bd5b
sha1
7d791089d34a6913cb01cd14f0a7a75e71c64994
sha256
d8e8bc5601645dcd9604923339df39c26d7955ad179d907920b50187ca11d28e
sha512
25fe6d6bfa4015c4c9a71f98b12bc8e3389688feaa7eef518706e4298190da49df6b0e048e7fc1667f875712add5b9c1c8cb6fc273dd7c6d74281e053a806c3c
ripemd-160
013b479b7eb974019e23e23e09e66b2795cbd755
Diameter
40279636
Circumference
126542208.54687
Area
1.274268524726E+15
Volume
3.4218048228147E+22
Surface area
5.0970740989041E+15
Circumference
126542208.54687
Perimeter
80559272
Area
405612269073124
Diagonal
28482003.759326
Surface area
2433673614438744
Volume
8.1689572776997E+21
Space diagonal
34883188.03119
Perimeter
60419454
Area
1.7563526455199E+14
Altitude
17441594.015595
Surface area
1.7563526455199E+14
Volume
9.6272084771411E+20
Height
9494001.2531086