121639186 is an even 9-digits composite number following 121639185
and preceding 121639187 . In scientific notation, it is written as 1.21639186 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 60819592 positive integers (up to 121639186) that are relatively prime to 121639186.
121639186 has 4 divisors, whose sum is 182458782
The reverse of 121639186 is 681936121
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-one million six hundred thirty-nine thousand one hundred eighty-six
Scientific notation
1.21639186 × 10^8
Engineering notation
1.21639186 × 10^6
Prime Factorization
2 × 60819593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121639186
Product of the distinct prime numbers
The prime factorization of 121639186 is 2 × 60819593.
Since it has a total of 2 prime factors.
1 , 2 , 1 , 65 , 551 , 814 , 5494 , 1093 , 10345 , 17982 , 902333 , 225902 , 1575490 , 4983507 , 11423635 , 26738681 , 55873203 , 898956241 , 6937437728 , 9879113590
n×2
243278372
n×3
364917558
n×4
486556744
n×5
608195930
n÷2
60819593
n÷3
40546395.333333
n÷3
30409796.5
n÷5
24327837.2
n2
14796091570742596
n3
1.7997845346466E+24
n4
2.189243257698E+32
n5
2.6629776782237E+40
2 √n
11029.015640573
3 √n
495.47814357459
4 √n
105.01912035707
5 √n
41.401368911288
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
-121639185
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 121639186 can be divided by 4 positive divisors.
The sum of these divisors (counting 121639186) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010000000001000100010010
3
Ternary
22110212220121001
4
Quaternary
13100001010102
5
Quinary
222114423221
6
Senary
20023052214
8
Octal
720010422
10
Decimal
121639186
12
Duodecimal
348a106a
16
Hexadecimal
7401112
20
Vigesimal
1i04hj6
36
Base36
20f5ea
md5
fc6acae7243fba5c19c5f317e728f33e
sha1
e1c4dbdfca8d9e70a6417b5fb8db1b95e85ee067
sha256
58cf094c5f8c7f5092c808993add1ed2eb83f049ee3eb0b739137e244c1406f1
sha512
a2a4f34535d0eceb13449d7d990f362b581de2f2961b8649ac30a564a9db7679f27fc4730c8e7da74c9236f8de4d751f6f01f7e45796bd5c375d5573689c79b8
ripemd-160
e107de7eedb0ea6125fa584f7d76da80ea662a7a
Diameter
243278372
Circumference
764281546.25248
Area
4.6483292580487E+16
Volume
7.5389198294537E+24
Surface area
1.8593317032195E+17
Circumference
764281546.25248
Perimeter
486556744
Area
14796091570742596
Diagonal
172023786.55722
Surface area
88776549424455576
Volume
1.7997845346466E+24
Space diagonal
210685250.34332
Perimeter
364917558
Area
6.4068955884919E+15
Altitude
105342625.17166
Surface area
6.4068955884919E+15
Volume
2.1210664152055E+23
Height
57341262.185741