121689849 is an odd 9-digits composite number following 121689848
and preceding 121689850 . In scientific notation, it is written as 1.21689849 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 75094800 positive integers (up to 121689849) that are relatively prime to 121689849.
121689849 has 8 divisors, whose sum is 127438080
The reverse of 121689849 is 948986121
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-one million six hundred eighty-nine thousand eight hundred forty-nine
Scientific notation
1.21689849 × 10^8
Engineering notation
1.21689849 × 10^6
Prime Factorization
69 × 31 × 56891
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121689849
Product of the distinct prime numbers
The prime factorization of 121689849 is 69 × 31 × 56891.
Since it has a total of 3 prime factors.
2 , 9 , 63 , 42 , 280 , 217 , 2814 , 8245 , 62903 , 43269 , 250390 , 867027 , 7930363 , 8502122 , 63262686 , 99932516 , 953031007 , 608712670 , 9351524320 , 6091068657
n×2
243379698
n×3
365069547
n×4
486759396
n×5
608449245
n÷2
60844924.5
n÷3
40563283
n÷3
30422462.25
n÷5
24337969.8
n2
14808419349642801
n3
1.8020343145867E+24
n4
2.1928928363488E+32
n5
2.6685279812846E+40
2 √n
11031.312206623
3 √n
495.54692328763
4 √n
105.03005382567
5 √n
41.404817089891
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
-121689848
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 121689849 can be divided by 8 positive divisors.
The sum of these divisors (counting 121689849) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000001101011011111001
3
Ternary
22110222111002110
4
Quaternary
13100031123321
5
Quinary
222123033344
6
Senary
20024122533
8
Octal
720153371
10
Decimal
121689849
12
Duodecimal
34906449
16
Hexadecimal
740d6f9
20
Vigesimal
1i0b4c9
36
Base36
20g8hl
md5
8852ef5c70049c56c837d52c44616ec7
sha1
bf9e0918169ba23663909a6dfe81565d0fd897b6
sha256
0e06e879cce64da9c17cd17acc055076251ec72a16ed384deb31b876b748241b
sha512
adeaf2822487ea31f3608313895620144fa274adad1dadd4b6dbb762345454c94663160e91f9b96e5c8e58f2f6920e3ae451d63517a984804ff9854fe530726a
ripemd-160
154ce2480ee9e1214798a2452966dd2b89529c3e
Diameter
243379698
Circumference
764599871.2697
Area
4.6522021440115E+16
Volume
7.5483436856298E+24
Surface area
1.8608808576046E+17
Circumference
764599871.2697
Perimeter
486759396
Area
14808419349642801
Diagonal
172095434.85893
Surface area
88850516097856806
Volume
1.8020343145867E+24
Space diagonal
210773001.23338
Perimeter
365069547
Area
6.4122336733418E+15
Altitude
105386500.61669
Surface area
6.4122336733418E+15
Volume
2.1237178062919E+23
Height
57365144.952978