121998769 is an odd 9-digits composite number following 121998768
and preceding 121998770 . In scientific notation, it is written as 1.21998769 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 121606180 positive integers (up to 121998769) that are relatively prime to 121998769.
121998769 has 4 divisors, whose sum is 122391360
The reverse of 121998769 is 967899121
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred sixty-nine
Scientific notation
1.21998769 × 10^8
Engineering notation
1.21998769 × 10^6
Prime Factorization
311 × 392279
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121998769
Product of the distinct prime numbers
The prime factorization of 121998769 is 311 × 392279.
Since it has a total of 2 prime factors.
2 , 9 , 14 , 65 , 333 , 171 , 1068 , 2388 , 48903 , 67428 , 817726 , 233100 , 1469031 , 588923 , 97606285 , 10784553 , 469186667 , 279097983 , 2435612446 , 6179362912
n×2
243997538
n×3
365996307
n×4
487995076
n×5
609993845
n÷2
60999384.5
n÷3
40666256.333333
n÷3
30499692.25
n÷5
24399753.8
n2
14883699637515361
n3
1.8157930339426E+24
n4
2.2152451489977E+32
n5
2.7025718121095E+40
2 √n
11045.305292295
3 √n
495.96589824727
4 √n
105.09664738846
5 √n
41.425817703764
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
-121998768
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 121998769 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998769) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000110110110001
3
Ternary
22111120011211221
4
Quaternary
13101120312301
5
Quinary
222212430034
6
Senary
20034505041
8
Octal
721306661
10
Decimal
121998769
12
Duodecimal
34a35181
16
Hexadecimal
7458db1
20
Vigesimal
1i29gi9
36
Base36
20muup
md5
ea5dd79ae860cd1573f7f38ed7c77fd6
sha1
2ac7142e11ad0782c66df16c07cd910054315449
sha256
46f69cd10a34f5349f26186b94ff40a24f78655b1c85c91ab5c0460742874b70
sha512
72e301f8a9dd55051962763f86fbfd1b89605d2f49e5adb47bbf5796b6ad62a72d0abd1b1e7f462d95abc4e79161ace4367c279412ccd9f84fddd86850b680f5
ripemd-160
7ff3977a0e260af250e40166e242fb20f96ae3e5
Diameter
243997538
Circumference
766540872.8748
Area
4.6758521439455E+16
Volume
7.6059760744982E+24
Surface area
1.8703408575782E+17
Circumference
766540872.8748
Perimeter
487995076
Area
14883699637515361
Diagonal
172532313.71262
Surface area
89302197825092166
Volume
1.8157930339426E+24
Space diagonal
211308066.36886
Perimeter
365996307
Area
6.4448309941928E+15
Altitude
105654033.18443
Surface area
6.4448309941928E+15
Volume
2.1399326125535E+23
Height
57510771.237541