20139951 is an odd 8-digits composite number following 20139950
and preceding 20139952 . In scientific notation, it is written as 2.0139951 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11335680 positive integers (up to 20139951) that are relatively prime to 20139951.
20139951 has 16 divisors, whose sum is 27737568
The reverse of 20139951 is 15993102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred thirty-nine thousand nine hundred fifty-one
Scientific notation
2.0139951 × 10^7
Engineering notation
2.0139951 × 10^6
Prime Factorization
3 × 221 × 37 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20139951
Product of the distinct prime numbers
The prime factorization of 20139951 is 3 × 221 × 37 × 821.
Since it has a total of 4 prime factors.
10 , 7 , 10 , 68 , 78 , 521 , 3110 , 3360 , 83530 , 85165 , 340397 , 396770 , 8845368 , 7342341 , 47712020 , 29944451 , 765713321 , 414445762 , 3884466461 , 6057886459
n×2
40279902
n×3
60419853
n×4
80559804
n×5
100699755
n÷2
10069975.5
n÷3
6713317
n÷3
5034987.75
n÷5
4027990.2
n2
405617626282401
n3
8.1691191180639E+21
n4
1.6452565875097E+29
n5
3.3135387054872E+36
2 √n
4487.7556751677
3 √n
272.07343299183
4 √n
66.990713350193
5 √n
28.894267020781
1 , 3 , 37 , 111 , 221 , 663 , 821 , 2463 , 8177 , 24531 , 30377 , 91131 , 181441 , 544323 , 6713317 , 20139951
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
-20139950
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 20139951 can be divided by 16 positive divisors.
The sum of these divisors (counting 20139951) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100111110101111
3
Ternary
1101220012211010
4
Quaternary
1030310332233
5
Quinary
20123434301
6
Senary
1555400303
8
Octal
114647657
10
Decimal
20139951
12
Duodecimal
68b3093
16
Hexadecimal
1334faf
20
Vigesimal
65h9hb
36
Base36
bzo33
md5
0379e7cb9011ada65e1c748a75c18e1c
sha1
e83ca9859d3e5c06bc1555249be3776aa7ac90ff
sha256
cf66fd593e3f86ddad4399d4233bd1e48b2c8aa49fae7407dd2a73ac61143bb9
sha512
184a34e3a0c974b352ad1784a65af6b84538fc338403f4fbdbd9234a2be283b7c0c45bfb312e1ba435737561cf5f946152f308331f1bfd1faa42487b94380356
ripemd-160
e9f502d56e09b74174a4a25b23e778b926b01fa5
Diameter
40279902
Circumference
126543044.21052
Area
1.2742853548953E+15
Volume
3.4218726143479E+22
Surface area
5.0971414195813E+15
Circumference
126543044.21052
Perimeter
80559804
Area
405617626282401
Diagonal
28482191.84973
Surface area
2433705757694406
Volume
8.1691191180639E+21
Space diagonal
34883418.393948
Perimeter
60419853
Area
1.7563758429165E+14
Altitude
17441709.196974
Surface area
1.7563758429165E+14
Volume
9.6273992078394E+20
Height
9494063.9499099