121668980 is an even 9-digits composite number following 121668979
and preceding 121668981 . In scientific notation, it is written as 1.21668980 × 10^8.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 48517920 positive integers (up to 121668980) that are relatively prime to 121668980.
121668980 has 24 divisors, whose sum is 256290720
The reverse of 121668980 is 089866121
Previous prime number is 331
Is Prime? no Number parity even Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred twenty-one million six hundred sixty-eight thousand nine hundred eighty
Scientific notation
1.21668980 × 10^8
Engineering notation
1.21668980 × 10^6
Prime Factorization
2 × 2 × 5 × 331 × 18379
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
60834490 Product of the distinct prime numbers
The prime factorization of 121668980 is 2 × 2 × 5 × 331 × 18379.
Since it has a total of 5 prime factors.
3 , 7 , 52 , 5 , 970 , 842 , 3792 , 3618 , 79182 , 93293 , 733875 , 256829 , 1703516 , 8164137 , 49700298 , 63610571 , 543714473 , 554939234 , 5576694280 , 6881405937
n×2
243337960
n×3
365006940
n×4
486675920
n×5
608344900
n÷2
60834490
n÷3
40556326.666667
n÷3
30417245
n÷5
24333796
n2
14803340694240400
n3
1.8011073628607E+24
n4
2.1913889570975E+32
n5
2.6662405919332E+40
2 √n11030.366267717
3 √n495.51859400064
4 √n105.02555054708
5 √n41.403396862297
1 , 2 , 4 , 5 , 10 , 20 , 331 , 662 , 1324 , 1655 , 3310 , 6620 , 18379 , 36758 , 73516 , 91895 , 183790 , 367580 , 6083449 , 12166898 , 24333796 , 30417245 , 60834490 , 121668980
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-121668979 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121668980 can be divided by 24 positive divisors.
The sum of these divisors (counting 121668980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111010000001000010101110100
3
Ternary
22110221102110112
4
Quaternary
13100020111310
5
Quinary
222121401410
6
Senary
20023442152
8
Octal
720102564
10
Decimal
121668980
12
Duodecimal
348b6358
16
Hexadecimal
7408574
20
Vigesimal
1i08c90
36
Base36
20fsdw
md5
d1bdc517ece73d9a153d45cb25f652b3
sha1
0acf50b0bd6a5434cee9ee5a4440be66a70fa126
sha256
eaca6a943a9660b7dfe07821d174dcc10a76e27d6e22df60436babf312990986
sha512
f9239a3801a5c317c9c949d0bfe96bf89da6ec5dcef7e316970be3c37ef92395c0cc403aa8ada560e2bb9be468db1c48f03f83292f44f67e17d4d649bfb0d5db
ripemd-160
37ffa2008e79c116dc414f5c10b2fa6c3303741e
Diameter
243337960
Circumference
764468747.47553
Area
4.6506066373612E+16
Volume
7.5444608793196E+24
Surface area
1.8602426549445E+17
Circumference
764468747.47553
Perimeter
486675920
Area
14803340694240400
Diagonal
172065921.6361
Surface area
88820044165442400
Volume
1.8011073628607E+24
Space diagonal
210736855.06508
Perimeter
365006940
Area
6.4100345510441E+15
Altitude
105368427.53254
Surface area
6.4100345510441E+15
Volume
2.1226253832064E+23
Height
57355307.212034