121998744 is an even 9-digits composite number following 121998743
and preceding 121998745 . In scientific notation, it is written as 1.21998744 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 34856352 positive integers (up to 121998744) that are relatively prime to 121998744.
121998744 has 16 divisors, whose sum is 229960800
The reverse of 121998744 is 447899121
Previous prime number is 189
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred forty-four
Scientific notation
1.21998744 × 10^8
Engineering notation
1.21998744 × 10^6
Prime Factorization
2 × 2 × 2 × 189 × 80687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30499686
Product of the distinct prime numbers
The prime factorization of 121998744 is 2 × 2 × 2 × 189 × 80687.
Since it has a total of 5 prime factors.
4 , 4 , 91 , 28 , 119 , 245 , 3445 , 7808 , 50034 , 49627 , 851508 , 944982 , 8002025 , 5912161 , 94263953 , 68719532 , 315357171 , 522951834 , 7796680796 , 736101796
n×2
243997488
n×3
365996232
n×4
487994976
n×5
609993720
n÷2
60999372
n÷3
40666248
n÷3
30499686
n÷5
24399748.8
n2
14883693537577536
n3
1.8157919176654E+24
n4
2.2152433332053E+32
n5
2.7025690430542E+40
2 √n
11045.304160592
3 √n
495.96586436947
4 √n
105.09664200436
5 √n
41.425816005967
1 , 2 , 4 , 8 , 189 , 378 , 756 , 1512 , 80687 , 161374 , 322748 , 645496 , 15249843 , 30499686 , 60999372 , 121998744
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
-121998743
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 121998744 can be divided by 16 positive divisors.
The sum of these divisors (counting 121998744) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010001011000110110011000
3
Ternary
22111120011211000
4
Quaternary
13101120312120
5
Quinary
222212424434
6
Senary
20034505000
8
Octal
721306630
10
Decimal
121998744
12
Duodecimal
34a35160
16
Hexadecimal
7458d98
20
Vigesimal
1i29gh4
36
Base36
20muu0
md5
635a2ba746d3633f78d7615c4dc63756
sha1
0c821a526f3e66655b491dbd5fe0b1d51db1c475
sha256
0c9dbe4f216a7c5616db9a7a10baeb77c00fdfbffa89aac3c7419fd2b28789f7
sha512
5fcd60deb6f39676cf74c2e09711d3a82ad1092955de06676777213e898a79dfb5044d23564261e51f2756b9c6a0402530ba11e53606c4d777d9b2bd0bfe2a39
ripemd-160
ea1d2ad42e13097fceeac328a095f23ab0c06caa
Diameter
243997488
Circumference
766540715.79516
Area
4.6758502275935E+16
Volume
7.605971398647E+24
Surface area
1.8703400910374E+17
Circumference
766540715.79516
Perimeter
487994976
Area
14883693537577536
Diagonal
172532278.35728
Surface area
89302161225465216
Volume
1.8157919176654E+24
Space diagonal
211308023.06759
Perimeter
365996232
Area
6.4448283528422E+15
Altitude
105654011.53379
Surface area
6.4448283528422E+15
Volume
2.1399312970082E+23
Height
57510759.452428