121998738 is an even 9-digits composite number following 121998737
and preceding 121998739 . In scientific notation, it is written as 1.21998738 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 40639200 positive integers (up to 121998738) that are relatively prime to 121998738.
121998738 has 16 divisors, whose sum is 244159776
The reverse of 121998738 is 837899121
Previous prime number is 1723
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred thirty-eight
Scientific notation
1.21998738 × 10^8
Engineering notation
1.21998738 × 10^6
Prime Factorization
2 × 3 × 1723 × 11801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121998738
Product of the distinct prime numbers
The prime factorization of 121998738 is 2 × 3 × 1723 × 11801.
Since it has a total of 4 prime factors.
9 , 9 , 73 , 42 , 24 , 424 , 8722 , 1012 , 1747 , 45782 , 677339 , 127525 , 4054798 , 5580672 , 48408853 , 77978764 , 888766972 , 71254283 , 3037622947 , 3833800927
n×2
243997476
n×3
365996214
n×4
487994952
n×5
609993690
n÷2
60999369
n÷3
40666246
n÷3
30499684.5
n÷5
24399747.6
n2
14883692073592644
n3
1.8157916497589E+24
n4
2.2152428974152E+32
n5
2.7025683784812E+40
2 √n
11045.303888984
3 √n
495.9658562388
4 √n
105.09664071217
5 √n
41.425815598496
1 , 2 , 3 , 6 , 1723 , 3446 , 5169 , 10338 , 11801 , 23602 , 35403 , 70806 , 20333123 , 40666246 , 60999369 , 121998738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998738 can be divided by 16 positive divisors.
The sum of these divisors (counting 121998738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010001011000110110010010
3
Ternary
22111120011210210
4
Quaternary
13101120312102
5
Quinary
222212424423
6
Senary
20034504550
8
Octal
721306622
10
Decimal
121998738
12
Duodecimal
34a35156
16
Hexadecimal
7458d92
20
Vigesimal
1i29ggi
36
Base36
20mutu
md5
e86ea8f101b7cd72f2ae18eeb7e196bc
sha1
83ab3eaa11f97e4c08b5487648ff44cc30d886a6
sha256
8d4a6c205671587f13370afd14c048331e0b3ed0740260a62ab320447c2d7db6
sha512
931a96b669125a4c2490ba960129b4e886b34e87367892b16fdbbd375fa90519fa3d3f01cb871c2017e8d61b354475f57cf6aa4608f1c3e2e05b507858a90c59
ripemd-160
8695616e7763974e53c97fba8e40d63ea85e7f40
Diameter
243997476
Circumference
766540678.09605
Area
4.6758497676691E+16
Volume
7.605970276443E+24
Surface area
1.8703399070677E+17
Circumference
766540678.09605
Perimeter
487994952
Area
14883692073592644
Diagonal
172532269.872
Surface area
89302152441555864
Volume
1.8157916497589E+24
Space diagonal
211308012.67528
Perimeter
365996214
Area
6.4448277189182E+15
Altitude
105654006.33764
Surface area
6.4448277189182E+15
Volume
2.1399309812774E+23
Height
57510756.624001