121998439 is an odd 9-digits composite number following 121998438
and preceding 121998440 . In scientific notation, it is written as 1.21998439 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 119161224 positive integers (up to 121998439) that are relatively prime to 121998439.
121998439 has 4 divisors, whose sum is 124835656
The reverse of 121998439 is 934899121
Previous prime number is 43
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 four hundred thirty-nine
Scientific notation
1.21998439 × 10^8
Engineering notation
1.21998439 × 10^6
Prime Factorization
43 × 2837173
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121998439
Product of the distinct prime numbers
The prime factorization of 121998439 is 43 × 2837173.
Since it has a total of 2 prime factors.
5 , 3 , 72 , 5 , 767 , 177 , 5871 , 6898 , 14021 , 41759 , 695783 , 33235 , 5511971 , 9743823 , 63282032 , 85641645 , 15073524 , 539918519 , 7177699699 , 5093431429
n×2
243996878
n×3
365995317
n×4
487993756
n×5
609992195
n÷2
60999219.5
n÷3
40666146.333333
n÷3
30499609.75
n÷5
24399687.8
n2
14883619118436721
n3
1.8157782991198E+24
n4
2.215221180627E+32
n5
2.7025352607623E+40
2 √n
11045.290353811
3 √n
495.96545105999
4 √n
105.09657631822
5 √n
41.425795292825
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
-121998438
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 121998439 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998439) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000110001100111
3
Ternary
22111120011101201
4
Quaternary
13101120301213
5
Quinary
222212422224
6
Senary
20034503331
8
Octal
721306147
10
Decimal
121998439
12
Duodecimal
34a34b47
16
Hexadecimal
7458c67
20
Vigesimal
1i29g1j
36
Base36
20mulj
md5
9e28982eaafa1e43933d6f08489cadba
sha1
5b73d43aec202d4a3fad592c394f68a918098742
sha256
80ccf4218d4bfa5c1d4f293b61913ae72c24cd916eee4c69ed717e73e209e13f
sha512
3551af71b9cf12c20b230cef05d3a3b50d90c75985f99a333e109c6caa37398c832c982ce83dca57372e7a988abbbdbebece1c789ffcbab54aea503195c8b8a0
ripemd-160
7e580ed1623610ea8f48da0f5284934cfc84250e
Diameter
243996878
Circumference
766538799.42365
Area
4.6758268481309E+16
Volume
7.6059143534169E+24
Surface area
1.8703307392524E+17
Circumference
766538799.42365
Perimeter
487993756
Area
14883619118436721
Diagonal
172531847.02215
Surface area
89301714710620326
Volume
1.8157782991198E+24
Space diagonal
211307494.79209
Perimeter
365995317
Area
6.444796128409E+15
Altitude
105653747.39605
Surface area
6.444796128409E+15
Volume
2.1399152473984E+23
Height
57510615.674049