20139961 is an odd 8-digits composite number following 20139960
and preceding 20139962 . In scientific notation, it is written as 2.0139961 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20076112 positive integers (up to 20139961) that are relatively prime to 20139961.
20139961 has 4 divisors, whose sum is 20203812
The reverse of 20139961 is 16993102
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-nine thousand nine hundred sixty-one
Scientific notation
2.0139961 × 10^7
Engineering notation
2.0139961 × 10^6
Prime Factorization
317 × 63533
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20139961
Product of the distinct prime numbers
The prime factorization of 20139961 is 317 × 63533.
Since it has a total of 2 prime factors.
7 , 9 , 62 , 96 , 639 , 358 , 5073 , 2973 , 81457 , 6400 , 584642 , 697217 , 6363205 , 8942945 , 19450643 , 63216717 , 438683260 , 507577807 , 7667195048 , 4462757701
n×2
40279922
n×3
60419883
n×4
80559844
n×5
100699805
n÷2
10069980.5
n÷3
6713320.3333333
n÷3
5034990.25
n÷5
4027992.2
n2
405618029081521
n3
8.1691312865987E+21
n4
1.6452598551598E+29
n5
3.3135469317784E+36
2 √n
4487.7567893102
3 √n
272.07347802229
4 √n
66.990721665841
5 √n
28.894269890129
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
-20139960
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 20139961 can be divided by 4 positive divisors.
The sum of these divisors (counting 20139961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100111110111001
3
Ternary
1101220012211111
4
Quaternary
1030310332321
5
Quinary
20123434321
6
Senary
1555400321
8
Octal
114647671
10
Decimal
20139961
12
Duodecimal
68b30a1
16
Hexadecimal
1334fb9
20
Vigesimal
65h9i1
36
Base36
bzo3d
md5
ef4d7ceead3c817593290cbb1c84bb4c
sha1
f27bb69462da110bc5d8728f724114ba996d0ace
sha256
cccba00dc546a041a73aee70cd1fddb5484b05c0d91943054bdebb15f3797ea9
sha512
1e0b0de52099443bab43beeca03c38629546c95a4e39f134da68d9f14d5beac1e60e8ba856ed89b5f58f6e48a01b9c03e0ca2357ecd769b0a9ecb1709ad9aba3
ripemd-160
ceac19c8309cfb9abba2ea360d8b45c931fb1d17
Diameter
40279922
Circumference
126543107.04237
Area
1.2742866203261E+15
Volume
3.4218777114919E+22
Surface area
5.0971464813043E+15
Circumference
126543107.04237
Perimeter
80559844
Area
405618029081521
Diagonal
28482205.991865
Surface area
2433708174489126
Volume
8.1691312865987E+21
Space diagonal
34883435.714456
Perimeter
60419883
Area
1.7563775870879E+14
Altitude
17441717.857228
Surface area
1.7563775870879E+14
Volume
9.6274135485952E+20
Height
9494068.6639551