121998149 is an odd 9-digits composite number following 121998148
and preceding 121998150 . In scientific notation, it is written as 1.21998149 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 96525936 positive integers (up to 121998149) that are relatively prime to 121998149.
121998149 has 4 divisors, whose sum is 123338880
The reverse of 121998149 is 941899121
Previous prime number is 91
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-one million nine hundred ninety-eight thousand one hundred forty-nine
Scientific notation
1.21998149 × 10^8
Engineering notation
1.21998149 × 10^6
Prime Factorization
91 × 1340639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121998149
Product of the distinct prime numbers
The prime factorization of 121998149 is 91 × 1340639.
Since it has a total of 2 prime factors.
4 , 8 , 16 , 59 , 109 , 358 , 9495 , 5294 , 77179 , 49660 , 404246 , 477084 , 6785563 , 9236729 , 6631796 , 55406202 , 954072289 , 501354986 , 3802033797 , 7394439626
n×2
243996298
n×3
365994447
n×4
487992596
n×5
609990745
n÷2
60999074.5
n÷3
40666049.666667
n÷3
30499537.25
n÷5
24399629.8
n2
14883548359426201
n3
1.815765350402E+24
n4
2.2152001176738E+32
n5
2.7025031402078E+40
2 √n
11045.277226036
3 √n
495.96505807656
4 √n
105.09651386243
5 √n
41.425775598324
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
-121998148
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 121998149 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998149) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000101101000101
3
Ternary
22111120010222222
4
Quaternary
13101120231011
5
Quinary
222212420044
6
Senary
20034502125
8
Octal
721305505
10
Decimal
121998149
12
Duodecimal
34a34945
16
Hexadecimal
7458b45
20
Vigesimal
1i29f79
36
Base36
20mudh
md5
239accc3aac8a3f99884bb06bfc264c4
sha1
49f477f1ba135b773e528e067fe31769bb989935
sha256
a5388a5b9ca7c7e38d42ececb27441430c75db841c4cad5d11d822d9de9a84ad
sha512
7e2778920b5fec255b2e5c022a33901c4298d80ba59657b80b5fc0fbc429f00550fc72a3e47dd8fc6e35adbb41a3ddd59632038887049226cbc152c49f45caa2
ripemd-160
cf09e037448d7f550c79d8469b488c50f2af09d9
Diameter
243996298
Circumference
766536977.29991
Area
4.6758046185322E+16
Volume
7.6058601139544E+24
Surface area
1.8703218474129E+17
Circumference
766536977.29991
Perimeter
487992596
Area
14883548359426201
Diagonal
172531436.90021
Surface area
89301290156557206
Volume
1.815765350402E+24
Space diagonal
211306992.49736
Perimeter
365994447
Area
6.4447654888586E+15
Altitude
105653496.24868
Surface area
6.4447654888586E+15
Volume
2.139899987188E+23
Height
57510478.966738