20121398 is an even 8-digits composite number following 20121397
and preceding 20121399 . In scientific notation, it is written as 2.0121398 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 9146080 positive integers (up to 20121398) that are relatively prime to 20121398.
20121398 has 8 divisors, whose sum is 32925960
The reverse of 20121398 is 89312102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-one thousand three hundred ninety-eight
Scientific notation
2.0121398 × 10^7
Engineering notation
2.0121398 × 10^6
Prime Factorization
2 × 11 × 914609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121398
Product of the distinct prime numbers
The prime factorization of 20121398 is 2 × 11 × 914609.
Since it has a total of 3 prime factors.
6 , 5 , 24 , 86 , 574 , 296 , 5429 , 1276 , 89988 , 45772 , 419035 , 650013 , 3365822 , 1778635 , 46516464 , 82529235 , 401629882 , 605284012 , 2664970760 , 8853022075
n×2
40242796
n×3
60364194
n×4
80485592
n×5
100606990
n÷2
10060699
n÷3
6707132.6666667
n÷3
5030349.5
n÷5
4024279.6
n2
404870657474404
n3
8.1465636375642E+21
n4
1.6392024928376E+29
n5
3.2983045760977E+36
2 √n
4485.688130042
3 √n
271.98986229517
4 √n
66.975279992263
5 √n
28.888941556194
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121397
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121398 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121398) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011100110110
3
Ternary
1101212021100222
4
Quaternary
1030300130312
5
Quinary
20122341043
6
Senary
1555134342
8
Octal
114603466
10
Decimal
20121398
12
Duodecimal
68a43b2
16
Hexadecimal
1330736
20
Vigesimal
65f39i
36
Base36
bz9rq
md5
8b10534f5e3c5c7ab84d93590771e59f
sha1
de2afb2e3bccfcb6c52184275dc8613207317a98
sha256
e290d83c4396f6e428b003b315d93c89dd42b2765f48903114e97bb83f4deb13
sha512
d7df27f7f3c5c7dc8d06210ec99a7ed6b66b5c1ef728c1da6f7ea2fa19778a8191464dd7c505bf337b8d02ea6ced48deb37f9f163f8b389dc780480d553cf97b
ripemd-160
81640f2058306fefcde1438c1508c9818635860b
Diameter
40242796
Circumference
126426472.27351
Area
1.2719386831757E+15
Volume
3.4124245967698E+22
Surface area
5.0877547327026E+15
Circumference
126426472.27351
Perimeter
80485592
Area
404870657474404
Diagonal
28455953.945507
Surface area
2429223944846424
Volume
8.1465636375642E+21
Space diagonal
34851283.655315
Perimeter
60364194
Area
1.7531413730987E+14
Altitude
17425641.827657
Surface area
1.7531413730987E+14
Volume
9.6008173191489E+20
Height
9485317.9818356