121982021 is an odd 9-digits composite number following 121982020
and preceding 121982022 . In scientific notation, it is written as 1.21982021 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 98404992 positive integers (up to 121982021) that are relatively prime to 121982021.
121982021 has 4 divisors, whose sum is 122129292
The reverse of 121982021 is 120289121
Previous prime number is 833
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-one million nine hundred eighty-two thousand twenty-one
Scientific notation
1.21982021 × 10^8
Engineering notation
1.21982021 × 10^6
Prime Factorization
833 × 146437
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121982021
Product of the distinct prime numbers
The prime factorization of 121982021 is 833 × 146437.
Since it has a total of 2 prime factors.
5 , 7 , 10 , 32 , 526 , 940 , 4172 , 1581 , 49805 , 50755 , 279571 , 542984 , 2241367 , 4679215 , 10905104 , 72709401 , 164855648 , 405768234 , 9025971812 , 1833647911
n×2
243964042
n×3
365946063
n×4
487928084
n×5
609910105
n÷2
60991010.5
n÷3
40660673.666667
n÷3
30495505.25
n÷5
24396404.2
n2
14879613447244441
n3
1.8150453199937E+24
n4
2.2140289633942E+32
n5
2.7007172750736E+40
2 √n
11044.547116111
3 √n
495.94320179696
4 √n
105.09304028389
5 √n
41.424680253441
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
-121982020
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 121982021 can be divided by 4 positive divisors.
The sum of these divisors (counting 121982021) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001010100110001000101
3
Ternary
22111112022212122
4
Quaternary
13101110301011
5
Quinary
222211411041
6
Senary
20034255325
8
Octal
721246105
10
Decimal
121982021
12
Duodecimal
34a27545
16
Hexadecimal
7454c45
20
Vigesimal
1i27f11
36
Base36
20mhxh
md5
f3dfa0a284db3425f29e04f39feb1389
sha1
87105c3c5e7f7cf62f30983873f08ac6f64cee8b
sha256
e363da7ea21cd724cd56c8bed80d00e9372d85cc8a4db17b1e2f27d9e00afe38
sha512
86139f6aa77cb51326f0904b0c887770e839488c4f1940308026dec414a25f4262e9be7a3f68f034786aa11d8e09452fb9eb6c53459df5614298e5521c5d15f2
ripemd-160
d5b181038821f2f55d88dad2b69e14620c6899a5
Diameter
243964042
Circumference
766435642.08727
Area
4.6745684294119E+16
Volume
7.6028440576328E+24
Surface area
1.8698273717648E+17
Circumference
766435642.08727
Perimeter
487928084
Area
14879613447244441
Diagonal
172508628.46388
Surface area
89277680683466646
Volume
1.8150453199937E+24
Space diagonal
211279057.98193
Perimeter
365946063
Area
6.4430616219031E+15
Altitude
105639528.99097
Surface area
6.4430616219031E+15
Volume
2.139051423214E+23
Height
57502876.154627