12561955 is an odd 8-digits composite number following 12561954
and preceding 12561956 . In scientific notation, it is written as 1.2561955 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 8582112 positive integers (up to 12561955) that are relatively prime to 12561955.
12561955 has 16 divisors, whose sum is 17291520
The reverse of 12561955 is 55916521
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million five hundred sixty-one thousand nine hundred fifty-five
Scientific notation
1.2561955 × 10^7
Engineering notation
1.2561955 × 10^6
Prime Factorization
5 × 7 × 379 × 947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12561955
Product of the distinct prime numbers
The prime factorization of 12561955 is 5 × 7 × 379 × 947.
Since it has a total of 4 prime factors.
4 , 6 , 64 , 14 , 25 , 405 , 5263 , 5951 , 9251 , 27733 , 119286 , 485507 , 5285368 , 5662810 , 1190355 , 85082503 , 983992825 , 908007382 , 3148941028 , 7702759906
n×2
25123910
n×3
37685865
n×4
50247820
n×5
62809775
n÷2
6280977.5
n÷3
4187318.3333333
n÷3
3140488.75
n÷5
2512391
n2
157802713422025
n3
1.9823105848854E+21
n4
2.4901696363354E+28
n5
3.1281398914011E+35
2 √n
3544.2848361835
3 √n
232.4622361296
4 √n
59.533896531165
5 √n
26.291262823414
1 , 5 , 7 , 35 , 379 , 947 , 1895 , 2653 , 4735 , 6629 , 13265 , 33145 , 358913 , 1794565 , 2512391 , 12561955
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12561954
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12561955 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561955) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010111000100011
3
Ternary
212122012202121
4
Quaternary
233322320203
5
Quinary
11203440310
6
Senary
1125125111
8
Octal
57727043
10
Decimal
12561955
12
Duodecimal
4259797
16
Hexadecimal
bfae23
20
Vigesimal
3ia4hf
36
Base36
7h8v7
md5
a64e90bcc31e108d8fee62278d7a438e
sha1
85277736a300f68dda5fc82ec592eeafd1385df8
sha256
01182af233d710ea0ae90de25ba5a1b47b740eafbecbce85ca6cd5fc7ce34f5e
sha512
37f19397079d33686fef8bcf6fb9d4fe15676e7fb68d7acb64e33f220c6e34bf78c0ddeb837978f9fe7dbe8fa0804957a74bb23e9e39ba83ec66c490c708b3e5
ripemd-160
c25345116693759187268848dd51933a5a234c2b
Diameter
25123910
Circumference
78929091.085451
Area
4.9575184520317E+14
Volume
8.3034831608122E+21
Surface area
1.9830073808127E+15
Circumference
78929091.085451
Perimeter
50247820
Area
157802713422025
Diagonal
17765287.130921
Surface area
946816280532150
Volume
1.9823105848854E+21
Space diagonal
21757944.302394
Perimeter
37685865
Area
68330579304795
Altitude
10878972.151197
Surface area
68330579304795
Volume
2.3361754283172E+20
Height
5921762.3769735