121515023 is an odd 9-digits composite number following 121515022
and preceding 121515024 . In scientific notation, it is written as 1.21515023 × 10^8.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 104081760 positive integers (up to 121515023) that are relatively prime to 121515023.
121515023 has 8 divisors, whose sum is 138972960
The reverse of 121515023 is 320515121
Previous prime number is 1621
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 20
Digital Root 2
Name
one hundred twenty-one million five hundred fifteen thousand twenty-three
Scientific notation
1.21515023 × 10^8
Engineering notation
1.21515023 × 10^6
Prime Factorization
7 × 1621 × 10709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121515023
Product of the distinct prime numbers
The prime factorization of 121515023 is 7 × 1621 × 10709.
Since it has a total of 3 prime factors.
4 , 6 , 22 , 40 , 561 , 455 , 681 , 5742 , 17172 , 61225 , 996561 , 948737 , 3919086 , 1466012 , 59044883 , 84337281 , 722319617 , 88642129 , 2083289361 , 119904001
n×2
243030046
n×3
364545069
n×4
486060092
n×5
607575115
n÷2
60757511.5
n÷3
40505007.666667
n÷3
30378755.75
n÷5
24303004.6
n2
14765900814690529
n3
1.7942787771128E+24
n4
2.1803182686928E+32
n5
2.6494142456752E+40
2 √n
11023.385278579
3 √n
495.30950001268
4 √n
104.99231056882
5 √n
41.392913382287
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
-121515022
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 121515023 can be divided by 8 positive divisors.
The sum of these divisors (counting 121515023) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111100010110000001111
3
Ternary
22110122121021102
4
Quaternary
13033202300033
5
Quinary
222101440043
6
Senary
20020253315
8
Octal
717426017
10
Decimal
121515023
12
Duodecimal
3484123b
16
Hexadecimal
73e2c0f
20
Vigesimal
1hj97b3
36
Base36
20chlb
md5
8d004841695a8671a2d2b6ca762f8d8d
sha1
a1579aad6d690a969b083f2466ca092a288e6f31
sha256
eb6a1fde4f8d32dd252ed370dbf48817ec2b522eb67aa232f717ae5e04a00c95
sha512
c2cb3b8c58346df947ee1dbadd3c29f7a96086b62872a4bd1d971107d52e63bf12e3148e96b9c6656f4341445ad971bab697be085898fba6019ebeabce812fe1
ripemd-160
4a42f4bfc4b186547e5f56866556ea892ff10463
Diameter
243030046
Circumference
763501407.11519
Area
4.6388445523067E+16
Volume
7.5158573662264E+24
Surface area
1.8555378209227E+17
Circumference
763501407.11519
Perimeter
486060092
Area
14765900814690529
Diagonal
171848193.55868
Surface area
88595404888143174
Volume
1.7942787771128E+24
Space diagonal
210470193.7189
Perimeter
364545069
Area
6.3938226076417E+15
Altitude
105235096.85945
Surface area
6.3938226076417E+15
Volume
2.114577817726E+23
Height
57282731.186226