121998550 is an even 9-digits composite number following 121998549
and preceding 121998551 . In scientific notation, it is written as 1.21998550 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 48600000 positive integers (up to 121998550) that are relatively prime to 121998550.
121998550 has 24 divisors, whose sum is 227844792
The reverse of 121998550 is 055899121
Previous prime number is 251
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-one million nine hundred ninety-eight thousand five hundred fifty
Scientific notation
1.21998550 × 10^8
Engineering notation
1.21998550 × 10^6
Prime Factorization
2 × 5 × 5 × 251 × 9721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
24399710
Product of the distinct prime numbers
The prime factorization of 121998550 is 2 × 5 × 5 × 251 × 9721.
Since it has a total of 5 prime factors.
9 , 6 , 90 , 16 , 332 , 965 , 8374 , 2896 , 67516 , 46328 , 533564 , 831142 , 164235 , 2491526 , 53965261 , 97399059 , 60565890 , 76100973 , 6671365326 , 8911242752
n×2
243997100
n×3
365995650
n×4
487994200
n×5
609992750
n÷2
60999275
n÷3
40666183.333333
n÷3
30499637.5
n÷5
24399710
n2
14883646202102500
n3
1.8157832553695E+24
n4
2.2152292426936E+32
n5
2.7025475552622E+40
2 √n
11045.295378576
3 √n
495.96560147762
4 √n
105.09660022368
5 √n
41.425802831055
1 , 2 , 5 , 10 , 25 , 50 , 251 , 502 , 1255 , 2510 , 6275 , 9721 , 12550 , 19442 , 48605 , 97210 , 243025 , 486050 , 2439971 , 4879942 , 12199855 , 24399710 , 60999275 , 121998550
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
-121998549
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 121998550 can be divided by 24 positive divisors.
The sum of these divisors (counting 121998550) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111010001011000110011010110
3
Ternary
22111120011112211
4
Quaternary
13101120303112
5
Quinary
222212423200
6
Senary
20034504034
8
Octal
721306326
10
Decimal
121998550
12
Duodecimal
34a3501a
16
Hexadecimal
7458cd6
20
Vigesimal
1i29g7a
36
Base36
20muom
md5
fa6ae0990ab2659f18a79f8581ebcf5b
sha1
f471411509b36105f50dc57f96d51eb82fa51a63
sha256
094d0264f3c5f7f3bfddf772c2dec86cb105bcd3cfef04931bc6cb88d3b7e95f
sha512
e373276a83937b37b1895192b5c1ef4df27f9f5096d9fe77e195ff575e7a46cfc605b91fb56549b22274e751bd37435ededf18ebfaaec5ed10377d0be1fc3772
ripemd-160
6fbb7ab6a6186d99bacca78b13c8a621dde56a9e
Diameter
243997100
Circumference
766539496.85721
Area
4.6758353567155E+16
Volume
7.605935114107E+24
Surface area
1.8703341426862E+17
Circumference
766539496.85721
Perimeter
487994200
Area
14883646202102500
Diagonal
172532003.99985
Surface area
89301877212615000
Volume
1.8157832553695E+24
Space diagonal
211307687.04973
Perimeter
365995650
Area
6.4448078559803E+15
Altitude
105653843.52487
Surface area
6.4448078559803E+15
Volume
2.1399210883946E+23
Height
57510667.999951