20121357 is an odd 8-digits composite number following 20121356
and preceding 20121358 . In scientific notation, it is written as 2.0121357 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13414236 positive integers (up to 20121357) that are relatively prime to 20121357.
20121357 has 4 divisors, whose sum is 26828480
The reverse of 20121357 is 75312102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-one thousand three hundred fifty-seven
Scientific notation
2.0121357 × 10^7
Engineering notation
2.0121357 × 10^6
Prime Factorization
3 × 6707119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121357
Product of the distinct prime numbers
The prime factorization of 20121357 is 3 × 6707119.
Since it has a total of 2 prime factors.
9 , 3 , 26 , 31 , 462 , 542 , 1581 , 8329 , 7932 , 61661 , 67104 , 648786 , 1998966 , 4235490 , 83561469 , 59251223 , 669652479 , 269933060 , 6178733334 , 6265226315
n×2
40242714
n×3
60364071
n×4
80485428
n×5
100606785
n÷2
10060678.5
n÷3
6707119
n÷3
5030339.25
n÷5
4024271.4
n2
404869007521449
n3
8.1465138385748E+21
n4
1.639189132514E+29
n5
3.2982709725835E+36
2 √n
4485.6835599494
3 √n
271.98967755665
4 √n
66.975245874497
5 √n
28.888929783179
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
-20121356
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 20121357 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121357) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000011100001101
3
Ternary
1101212021022110
4
Quaternary
1030300130031
5
Quinary
20122340412
6
Senary
1555134233
8
Octal
114603415
10
Decimal
20121357
12
Duodecimal
68a4379
16
Hexadecimal
133070d
20
Vigesimal
65f37h
36
Base36
bz9ql
md5
3c5dcd85e5206b94a7870ffbe397d62e
sha1
b5a31c59526d51361b2091578c5f38fad2152cc6
sha256
91e73a8df42b4fcd7c8cb463dff5c6af0100317bb9dfb77d26e5ef372e085fdc
sha512
fab3ba3de08fc7bb53b679c1d0163669e486865a4e20bfbdbd63cdee3351b59e30ed81637c66a7792a5894c9f1ced8e18a0590f6de6b9080498ca7791805ede6
ripemd-160
97cf7e7814c3f36ca227da7a16551e022f33949f
Diameter
40242714
Circumference
126426214.66292
Area
1.2719334996956E+15
Volume
3.4124037370179E+22
Surface area
5.0877339987823E+15
Circumference
126426214.66292
Perimeter
80485428
Area
404869007521449
Diagonal
28455895.962751
Surface area
2429214045128694
Volume
8.1465138385748E+21
Space diagonal
34851212.641232
Perimeter
60364071
Area
1.7531342285928E+14
Altitude
17425606.320616
Surface area
1.7531342285928E+14
Volume
9.6007586304771E+20
Height
9485298.6542503