121998429 is an odd 9-digits composite number following 121998428
and preceding 121998430 . In scientific notation, it is written as 1.21998429 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 69536160 positive integers (up to 121998429) that are relatively prime to 121998429.
121998429 has 8 divisors, whose sum is 124250112
The reverse of 121998429 is 924899121
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-one million nine hundred ninety-eight thousand four hundred twenty-nine
Scientific notation
1.21998429 × 10^8
Engineering notation
1.21998429 × 10^6
Prime Factorization
63 × 431 × 4493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121998429
Product of the distinct prime numbers
The prime factorization of 121998429 is 63 × 431 × 4493.
Since it has a total of 3 prime factors.
6 , 6 , 47 , 60 , 597 , 584 , 8497 , 2434 , 16906 , 69215 , 496256 , 304968 , 91008 , 5648886 , 3652101 , 40491546 , 705495151 , 970688918 , 1776957007 , 249435775
n×2
243996858
n×3
365995287
n×4
487993716
n×5
609992145
n÷2
60999214.5
n÷3
40666143
n÷3
30499607.25
n÷5
24399685.8
n2
14883616678468041
n3
1.8157778526113E+24
n4
2.2152204543157E+32
n5
2.7025341531518E+40
2 √n
11045.28990113
3 √n
495.96543750884
4 √n
105.09657416457
5 √n
41.425794613705
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
-121998428
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 121998429 can be divided by 8 positive divisors.
The sum of these divisors (counting 121998429) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010001011000110001011101
3
Ternary
22111120011101100
4
Quaternary
13101120301131
5
Quinary
222212422204
6
Senary
20034503313
8
Octal
721306135
10
Decimal
121998429
12
Duodecimal
34a34b39
16
Hexadecimal
7458c5d
20
Vigesimal
1i29g19
36
Base36
20mul9
md5
540917f36e32ed6506f79c54d9223978
sha1
db1effd03de24f584cfc73920ebe9ba9d554e978
sha256
a3619230328156992d9a4d8704a86949991cd6acc8d70d70f60200f8fb78fa7e
sha512
7e76304ec218c38f74e22945c2a2020cbb7332bc5537f2bbd67aef11907f95315b4d014ac7c8f2b28569cefd6c462d818da0f4dbc49a697ff1180348d7f3cb79
ripemd-160
dceac3c3e34847ceebd088e02a0b92c85bee26ef
Diameter
243996858
Circumference
766538736.59179
Area
4.6758260815922E+16
Volume
7.6059124830863E+24
Surface area
1.8703304326369E+17
Circumference
766538736.59179
Perimeter
487993716
Area
14883616678468041
Diagonal
172531832.88001
Surface area
89301700070808246
Volume
1.8157778526113E+24
Space diagonal
211307477.47158
Perimeter
365995287
Area
6.4447950718715E+15
Altitude
105653738.73579
Surface area
6.4447950718715E+15
Volume
2.139914721183E+23
Height
57510610.960004