121661525 is an odd 9-digits composite number following 121661524
and preceding 121661526 . In scientific notation, it is written as 1.21661525 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 93972480 positive integers (up to 121661525) that are relatively prime to 121661525.
121661525 has 8 divisors, whose sum is 130891800
The reverse of 121661525 is 525166121
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million six hundred sixty-one thousand five hundred twenty-five
Scientific notation
1.21661525 × 10^8
Engineering notation
1.21661525 × 10^6
Prime Factorization
25 × 29 × 167809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121661525
Product of the distinct prime numbers
The prime factorization of 121661525 is 25 × 29 × 167809.
Since it has a total of 3 prime factors.
4 , 5 , 1 , 28 , 1 , 301 , 8571 , 3745 , 772 , 35793 , 555800 , 656063 , 8085988 , 4366533 , 66325102 , 38933083 , 701566696 , 21991652 , 4234880320 , 3965947099
n×2
243323050
n×3
364984575
n×4
486646100
n×5
608307625
n÷2
60830762.5
n÷3
40553841.666667
n÷3
30415381.25
n÷5
24332305
n2
14801526665325625
n3
1.8007763064317E+24
n4
2.1908519162435E+32
n5
2.6654238517935E+40
2 √n
11030.028331786
3 √n
495.50847318877
4 √n
105.02394170753
5 √n
41.402889469387
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
-121661524
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 121661525 can be divided by 8 positive divisors.
The sum of these divisors (counting 121661525) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000000110100001010101
3
Ternary
22110221001020102
4
Quaternary
13100012201111
5
Quinary
222121132100
6
Senary
20023343445
8
Octal
720064125
10
Decimal
121661525
12
Duodecimal
348b1b85
16
Hexadecimal
7406855
20
Vigesimal
1i07dg5
36
Base36
20fmmt
md5
70b43fb3f61b58466f0ac90a4b8b718b
sha1
b1c1568be1543181ebd79cfab98939cd9c47b75d
sha256
8a2863959171a54b437dadcca0b1db671ac5eef3137711ef416c6531e869a4d7
sha512
5d1230c9c32c60a00ceb22fad4ad0ffedf49186ac63f830ad70ad1844659939aeba85acc7c0387db0b65756b796662d2543dd6c9a869aaa0e761631fcbcfe37a
ripemd-160
e631387d3e9cc46480d3528e77c4851938d74c4f
Diameter
243323050
Circumference
764421906.32906
Area
4.65003674337E+16
Volume
7.5430741533924E+24
Surface area
1.860014697348E+17
Circumference
764421906.32906
Perimeter
486646100
Area
14801526665325625
Diagonal
172055378.67399
Surface area
88809159991953750
Volume
1.8007763064317E+24
Space diagonal
210723942.62631
Perimeter
364984575
Area
6.4092490534824E+15
Altitude
105361971.31316
Surface area
6.4092490534824E+15
Volume
2.1222352294632E+23
Height
57351792.891331