121998415 is an odd 9-digits composite number following 121998414
and preceding 121998416 . In scientific notation, it is written as 1.21998415 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 76050720 positive integers (up to 121998415) that are relatively prime to 121998415.
121998415 has 8 divisors, whose sum is 136892160
The reverse of 121998415 is 514899121
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-one million nine hundred ninety-eight thousand four hundred fifteen
Scientific notation
1.21998415 × 10^8
Engineering notation
1.21998415 × 10^6
Prime Factorization
35 × 11 × 316879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121998415
Product of the distinct prime numbers
The prime factorization of 121998415 is 35 × 11 × 316879.
Since it has a total of 3 prime factors.
2 , 6 , 63 , 42 , 332 , 915 , 3042 , 2420 , 52695 , 63673 , 324109 , 198079 , 8497432 , 8015085 , 7562180 , 9294383 , 473716127 , 696732084 , 1856304772 , 2454935067
n×2
243996830
n×3
365995245
n×4
487993660
n×5
609992075
n÷2
60999207.5
n÷3
40666138.333333
n÷3
30499603.75
n÷5
24399683
n2
14883613262512225
n3
1.8157772274995E+24
n4
2.2152194374803E+32
n5
2.7025326024979E+40
2 √n
11045.289267375
3 √n
495.96541853724
4 √n
105.09657114947
5 √n
41.425793662937
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
-121998414
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 121998415 can be divided by 8 positive divisors.
The sum of these divisors (counting 121998415) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010001011000110001001111
3
Ternary
22111120011100211
4
Quaternary
13101120301033
5
Quinary
222212422130
6
Senary
20034503251
8
Octal
721306117
10
Decimal
121998415
12
Duodecimal
34a34b27
16
Hexadecimal
7458c4f
20
Vigesimal
1i29g0f
36
Base36
20mukv
md5
3b1798462d75dedc6728745c8b752311
sha1
8147ed47373c25fc8a41052e9a1d0a02e045c2fc
sha256
88656f5c040b02e90a329840bbc303c0341a9415b0a06243011289320b3e68f3
sha512
28c02f7a3eed1f2f3cefa179ff9702e87d9c691b54690a447933696abe96676af0b059842491b88c64467be3e847955af3f79109dffab16fb36e2a00accb48e2
ripemd-160
8926ea2142b849751e19c9c4f18f85ccc91afa2e
Diameter
243996830
Circumference
766538648.6272
Area
4.675825008438E+16
Volume
7.605909864624E+24
Surface area
1.8703300033752E+17
Circumference
766538648.6272
Perimeter
487993660
Area
14883613262512225
Diagonal
172531813.08102
Surface area
89301679575073350
Volume
1.8157772274995E+24
Space diagonal
211307453.22287
Perimeter
365995245
Area
6.4447935927193E+15
Altitude
105653726.61144
Surface area
6.4447935927193E+15
Volume
2.1399139844816E+23
Height
57510604.36034