121998727 is an odd 9-digits composite number following 121998726
and preceding 121998728 . In scientific notation, it is written as 1.21998727 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 121935640 positive integers (up to 121998727) that are relatively prime to 121998727.
121998727 has 4 divisors, whose sum is 122061816
The reverse of 121998727 is 727899121
Previous prime number is 1997
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred twenty-seven
Scientific notation
1.21998727 × 10^8
Engineering notation
1.21998727 × 10^6
Prime Factorization
1997 × 61091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121998727
Product of the distinct prime numbers
The prime factorization of 121998727 is 1997 × 61091.
Since it has a total of 2 prime factors.
2 , 7 , 55 , 51 , 165 , 863 , 9407 , 8875 , 79946 , 85480 , 381130 , 590279 , 6731797 , 4095905 , 88299872 , 49494096 , 901776395 , 701648484 , 9839308126 , 4989694054
n×2
243997454
n×3
365996181
n×4
487994908
n×5
609993635
n÷2
60999363.5
n÷3
40666242.333333
n÷3
30499681.75
n÷5
24399745.4
n2
14883689389620529
n3
1.8157911585971E+24
n4
2.215242098467E+32
n5
2.7025671600979E+40
2 √n
11045.303391035
3 √n
495.96584133257
4 √n
105.09663834317
5 √n
41.425814851465
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
-121998726
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 121998727 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998727) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000110110000111
3
Ternary
22111120011210101
4
Quaternary
13101120312013
5
Quinary
222212424402
6
Senary
20034504531
8
Octal
721306607
10
Decimal
121998727
12
Duodecimal
34a35147
16
Hexadecimal
7458d87
20
Vigesimal
1i29gg7
36
Base36
20mutj
md5
1fb89a22882f1bf39947c0e311ed8741
sha1
b29318f833f149b8f00c6b5cc5f587f4632a77f8
sha256
e24942457c2735812d79c20a336a3cc39c77e267f60045e0ff0852d7c30557f3
sha512
09c8b6bd07f979135c8a2178ea16f3d602a588b31a9fd44daafb27f521641965dd0f65b2aaeb263b41bac75e69acdb696b0e62f9078f053357d4016812f347ad
ripemd-160
26a68fd2ebe1b446982216c18e0821f2b0f08801
Diameter
243997454
Circumference
766540608.98101
Area
4.6758489244744E+16
Volume
7.6059682190693E+24
Surface area
1.8703395697898E+17
Circumference
766540608.98101
Perimeter
487994908
Area
14883689389620529
Diagonal
172532254.31565
Surface area
89302136337723174
Volume
1.8157911585971E+24
Space diagonal
211307993.62272
Perimeter
365996181
Area
6.4448265567241E+15
Altitude
105653996.81136
Surface area
6.4448265567241E+15
Volume
2.1399304024377E+23
Height
57510751.438551