121837290 is an even 9-digits composite number following 121837289
and preceding 121837291 . In scientific notation, it is written as 1.21837290 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 32489936 positive integers (up to 121837290) that are relatively prime to 121837290.
121837290 has 8 divisors, whose sum is 194939712
The reverse of 121837290 is 092738121
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-one million eight hundred thirty-seven thousand two hundred ninety
Scientific notation
1.21837290 × 10^8
Engineering notation
1.21837290 × 10^6
Prime Factorization
2 × 15 × 4061243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121837290
Product of the distinct prime numbers
The prime factorization of 121837290 is 2 × 15 × 4061243.
Since it has a total of 3 prime factors.
4 , 10 , 29 , 98 , 172 , 642 , 6216 , 1611 , 70631 , 6940 , 661897 , 281164 , 3851793 , 5004328 , 21253513 , 24217696 , 587393894 , 932981828 , 624336537 , 5191249924
n×2
243674580
n×3
365511870
n×4
487349160
n×5
609186450
n÷2
60918645
n÷3
40612430
n÷3
30459322.5
n÷5
24367458
n2
14844325234544100
n3
1.8085923584555E+24
n4
2.2035399166892E+32
n5
2.6847333185624E+40
2 √n
11037.993024096
3 √n
495.74697953981
4 √n
105.06185332506
5 √n
41.414845553546
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
-121837289
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 121837290 can be divided by 8 positive divisors.
The sum of these divisors (counting 121837290) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000110001011011101010
3
Ternary
22111020222100020
4
Quaternary
13100301123222
5
Quinary
222142243130
6
Senary
20031221310
8
Octal
720613352
10
Decimal
121837290
12
Duodecimal
34977836
16
Hexadecimal
74316ea
20
Vigesimal
1i19d4a
36
Base36
20je96
md5
ec2cf4e1aa2d84144458d16e4134b247
sha1
966531df179b37d0caccefeac35af18102379a49
sha256
4b53b0a24401a4e427c58626d14169c22a71640f1d7cf6b8d77b739cfaa2f243
sha512
3f0f1b07ad538bc542bd209a0dff8d89f9120150de659a4e542e0040b85877930fd63a745e15512c108647939031b3ef83b6b0a6487ec2259307c0098f2afb6e
ripemd-160
03cb90e492d80e717d2a598a0b7a62197212b425
Diameter
243674580
Circumference
765526270.39458
Area
4.6634823104341E+16
Volume
7.5758139555498E+24
Surface area
1.8653929241737E+17
Circumference
765526270.39458
Perimeter
487349160
Area
14844325234544100
Diagonal
172303947.92078
Surface area
89065951407264600
Volume
1.8085923584555E+24
Space diagonal
211028376.5365
Perimeter
365511870
Area
6.4277813775768E+15
Altitude
105514188.26825
Surface area
6.4277813775768E+15
Volume
2.1314465351101E+23
Height
57434649.306928