20139991 is an odd 8-digits prime number following 20139990
and preceding 20139992 . In scientific notation, it is written as 2.0139991 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 20139990 positive integers (up to 20139991) that are relatively prime to 20139991.
20139991 has 2 divisors, whose sum is 20139992
The reverse of 20139991 is 19993102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred thirty-nine thousand nine hundred ninety-one
Scientific notation
2.0139991 × 10^7
Engineering notation
2.0139991 × 10^6
Prime Factorization
20139991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20139991
Product of the distinct prime numbers
The prime factorization of 20139991 is 20139991.
Since it has a total of 1 prime factors.
4 , 7 , 68 , 14 , 153 , 47 , 6980 , 724 , 97809 , 62631 , 718590 , 76020 , 7456473 , 624172 , 79260937 , 73264543 , 6351646 , 344849049 , 583779384 , 7617674896
n×2
40279982
n×3
60419973
n×4
80559964
n×5
100699955
n÷2
10069995.5
n÷3
6713330.3333333
n÷3
5034997.75
n÷5
4027998.2
n2
405619237480081
n3
8.1691677922757E+21
n4
1.6452696581392E+29
n5
3.3135716107497E+36
2 √n
4487.7601317361
3 √n
272.07361311359
4 √n
66.990746612768
5 √n
28.894278498165
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20139992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10069996
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4487.7602431503
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999006951
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139991 can be divided by 2 positive divisors.
The sum of these divisors (counting 20139991) is 20139992, the average is 10069996.
Base
System
Value
2
Binary
1001100110100111111010111
3
Ternary
1101220012212121
4
Quaternary
1030310333113
5
Quinary
20123434431
6
Senary
1555400411
8
Octal
114647727
10
Decimal
20139991
12
Duodecimal
68b3107
16
Hexadecimal
1334fd7
20
Vigesimal
65h9jb
36
Base36
bzo47
md5
05c8e040704e90a5e77743bb5b8ec603
sha1
f0288710b4864d5d6c01c97143c4c3c99e5789ab
sha256
144838fb63bf247fe2c3c71642b09fd587c98758410cf691b796c480cae32883
sha512
24184ec834d04d44e648bcc0cf9b25139f567cbad86a49bd6d890223c4dfd4e6f792c5a625c60aa547b28bf43d08fa80a94eee0867f6ba3c063f1e58d2c6339e
ripemd-160
150500ab3b85a928a357baf8c1ad812c4866b9b5
Diameter
40279982
Circumference
126543295.53793
Area
1.2742904166221E+15
Volume
3.4218930029541E+22
Surface area
5.0971616664885E+15
Circumference
126543295.53793
Perimeter
80559964
Area
405619237480081
Diagonal
28482248.418272
Surface area
2433715424880486
Volume
8.1691677922757E+21
Space diagonal
34883487.67598
Perimeter
60419973
Area
1.7563828196071E+14
Altitude
17441743.83799
Surface area
1.7563828196071E+14
Volume
9.6274565709481E+20
Height
9494082.8060907