20121383 is an odd 8-digits composite number following 20121382
and preceding 20121384 . In scientific notation, it is written as 2.0121383 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20019048 positive integers (up to 20121383) that are relatively prime to 20121383.
20121383 has 4 divisors, whose sum is 20223720
The reverse of 20121383 is 38312102
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand three hundred eighty-three
Scientific notation
2.0121383 × 10^7
Engineering notation
2.0121383 × 10^6
Prime Factorization
197 × 102139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121383
Product of the distinct prime numbers
The prime factorization of 20121383 is 197 × 102139.
Since it has a total of 2 prime factors.
4 , 5 , 32 , 27 , 336 , 338 , 5050 , 6652 , 85908 , 39101 , 92753 , 122287 , 7491265 , 3988122 , 55000357 , 72502935 , 117404109 , 130637656 , 2398379272 , 3299055817
n×2
40242766
n×3
60364149
n×4
80485532
n×5
100606915
n÷2
10060691.5
n÷3
6707127.6666667
n÷3
5030345.75
n÷5
4024276.6
n2
404870053832689
n3
8.1465454183982E+21
n4
1.6391976049048E+29
n5
3.2982922820973E+36
2 √n
4485.6864580575
3 √n
271.98979470794
4 √n
66.97526751016
5 √n
28.888937248996
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
-20121382
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 20121383 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121383) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000011100100111
3
Ternary
1101212021100102
4
Quaternary
1030300130213
5
Quinary
20122341013
6
Senary
1555134315
8
Octal
114603447
10
Decimal
20121383
12
Duodecimal
68a439b
16
Hexadecimal
1330727
20
Vigesimal
65f393
36
Base36
bz9rb
md5
e4287fdd8f069d79287ec0f9e6a8e7eb
sha1
e6270535c0ae0036bd003c0cb9f12a9a96b7a3f5
sha256
a3be85943e23c986d6f23ab7976486e4a895e596125a42098880433302b0f943
sha512
0436ec837a999ad4d12562edc946fea617edbc74847bf855e5659c0644fcd6a2602338385a3e3a60cc6bc8e86806656756396305784228e22c1d3d7f6d3775ce
ripemd-160
1176dcdcc256edec228dcb8b0ab55b8167b8e292
Diameter
40242766
Circumference
126426378.02573
Area
1.2719367867793E+15
Volume
3.4124169651434E+22
Surface area
5.0877471471171E+15
Circumference
126426378.02573
Perimeter
80485532
Area
404870053832689
Diagonal
28455932.732303
Surface area
2429220322996134
Volume
8.1465454183982E+21
Space diagonal
34851257.674553
Perimeter
60364149
Area
1.7531387592534E+14
Altitude
17425628.837276
Surface area
1.7531387592534E+14
Volume
9.6007958476559E+20
Height
9485310.9107678