121998741 is an odd 9-digits composite number following 121998740
and preceding 121998742 . In scientific notation, it is written as 1.21998741 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 80923392 positive integers (up to 121998741) that are relatively prime to 121998741.
121998741 has 8 divisors, whose sum is 163483200
The reverse of 121998741 is 147899121
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred forty-one
Scientific notation
1.21998741 × 10^8
Engineering notation
1.21998741 × 10^6
Prime Factorization
3 × 199 × 204353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121998741
Product of the distinct prime numbers
The prime factorization of 121998741 is 3 × 199 × 204353.
Since it has a total of 3 prime factors.
7 , 7 , 54 , 54 , 380 , 489 , 4704 , 4969 , 95525 , 72008 , 346057 , 708546 , 4754149 , 9700494 , 53806350 , 11718422 , 356692062 , 686660536 , 1062293833 , 134674532
n×2
243997482
n×3
365996223
n×4
487994964
n×5
609993705
n÷2
60999370.5
n÷3
40666247
n÷3
30499685.25
n÷5
24399748.2
n2
14883692805585081
n3
1.8157917837121E+24
n4
2.2152431153103E+32
n5
2.7025687107677E+40
2 √n
11045.304024788
3 √n
495.96586030414
4 √n
105.09664135827
5 √n
41.425815802232
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
-121998740
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 121998741 can be divided by 8 positive divisors.
The sum of these divisors (counting 121998741) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010001011000110110010101
3
Ternary
22111120011210220
4
Quaternary
13101120312111
5
Quinary
222212424431
6
Senary
20034504553
8
Octal
721306625
10
Decimal
121998741
12
Duodecimal
34a35159
16
Hexadecimal
7458d95
20
Vigesimal
1i29gh1
36
Base36
20mutx
md5
f89b01abee9cbdb462929efe70e4595d
sha1
529c38a6464f17586ee062a494a0dfd70d0168e0
sha256
5095234e63d277499921013aee6c090f844d39eb34ae7716618821b507fdfc9b
sha512
b5d340524c855d0909562b478dae4b695c3946bc68937f6463ceb204bedb8d2141bf98e8a9d8555d3731d404e73dc39ee77e1e6113691e987158d301a48af4a0
ripemd-160
0b682cd088090b5f050695ff693da2909d63dd4f
Diameter
243997482
Circumference
766540696.94561
Area
4.6758499976313E+16
Volume
7.605970837545E+24
Surface area
1.8703399990525E+17
Circumference
766540696.94561
Perimeter
487994964
Area
14883692805585081
Diagonal
172532274.11464
Surface area
89302156833510486
Volume
1.8157917837121E+24
Space diagonal
211308017.87144
Perimeter
365996223
Area
6.4448280358802E+15
Altitude
105654008.93572
Surface area
6.4448280358802E+15
Volume
2.1399311391428E+23
Height
57510758.038214