121749209 is an odd 9-digits prime number following 121749208
and preceding 121749210 . In scientific notation, it is written as 1.21749209 × 10^8.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 121749208 positive integers (up to 121749209) that are relatively prime to 121749209.
121749209 has 2 divisors, whose sum is 121749210
The reverse of 121749209 is 902947121
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-one million seven hundred forty-nine thousand two hundred nine
Scientific notation
1.21749209 × 10^8
Engineering notation
1.21749209 × 10^6
Prime Factorization
121749209
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
121749209
Product of the distinct prime numbers
The prime factorization of 121749209 is 121749209.
Since it has a total of 1 prime factors.
2 , 10 , 42 , 5 , 800 , 648 , 2160 , 8013 , 52272 , 23112 , 43662 , 785304 , 495060 , 3893206 , 8338923 , 93787388 , 873759184 , 533576559 , 9297915108 , 955164116
n×2
243498418
n×3
365247627
n×4
486996836
n×5
608746045
n÷2
60874604.5
n÷3
40583069.666667
n÷3
30437302.25
n÷5
24349841.8
n2
14822869892125681
n3
1.8046726844762E+24
n4
2.1971747183889E+32
n5
2.6750428399864E+40
2 √n
11034.002401667
3 √n
495.62748570085
4 √n
105.04285983191
5 √n
41.408855734924
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
121749210
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
60874605
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11034.002446982
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999835728
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121749209 can be divided by 2 positive divisors.
The sum of these divisors (counting 121749209) is 121749210, the average is 60874605.
Base
System
Value
2
Binary
111010000011011111011011001
3
Ternary
22111002111111222
4
Quaternary
13100123323121
5
Quinary
222131433314
6
Senary
20025301425
8
Octal
720337331
10
Decimal
121749209
12
Duodecimal
34934875
16
Hexadecimal
741bed9
20
Vigesimal
1i0id09
36
Base36
20hiah
md5
df2a979fb6b9acca4bd6297ac3934788
sha1
16b5a9b93ae64cc8b7948807416e430e2fd554d5
sha256
47bfac03397877e12752df976cd8251d147a6cf510c8ba064ceaf93e9b7c19f3
sha512
df7aeafba0d9ffb44d250613a973bf3161289d55e2169deedddec6b9e17d38363ca4c4d5b741cbea46d300df14f6d14d9ca386f7f31c8fcaf476231191b65e4e
ripemd-160
d7e4824efee2b075f1996a74ad0a789993d3c6a3
Diameter
243498418
Circumference
764972841.14954
Area
4.6567419158219E+16
Volume
7.5593952635795E+24
Surface area
1.8626967663288E+17
Circumference
764972841.14954
Perimeter
486996836
Area
14822869892125681
Diagonal
172179382.576
Surface area
88937219352754086
Volume
1.8046726844762E+24
Space diagonal
210875815.76932
Perimeter
365247627
Area
6.4184909417862E+15
Altitude
105437907.88466
Surface area
6.4184909417862E+15
Volume
2.1268271550254E+23
Height
57393127.525332