126890945 is an odd 9-digits composite number following 126890944
and preceding 126890946 . In scientific notation, it is written as 1.26890945 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 98521920 positive integers (up to 126890945) that are relatively prime to 126890945.
126890945 has 16 divisors, whose sum is 156776448
The reverse of 126890945 is 549098621
Previous prime number is 1087
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-six million eight hundred ninety thousand nine hundred forty-five
Scientific notation
1.26890945 × 10^8
Engineering notation
1.26890945 × 10^6
Prime Factorization
5 × 37 × 1087 × 631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
126890945
Product of the distinct prime numbers
The prime factorization of 126890945 is 5 × 37 × 1087 × 631.
Since it has a total of 4 prime factors.
10 , 9 , 93 , 28 , 978 , 554 , 7317 , 8208 , 63260 , 23988 , 993002 , 768594 , 1742733 , 7087877 , 70530435 , 28790138 , 876625986 , 744480407 , 9085419894 , 9314211966
n×2
253781890
n×3
380672835
n×4
507563780
n×5
634454725
n÷2
63445472.5
n÷3
42296981.666667
n÷3
31722736.25
n÷5
25378189
n2
16101311922993025
n3
2.0431106856484E+24
n4
2.5925224564152E+32
n5
3.2896762442824E+40
2 √n
11264.588097219
3 √n
502.50865227712
4 √n
106.1347638487
5 √n
41.752850104719
1 , 5 , 37 , 185 , 631 , 1087 , 3155 , 5435 , 23347 , 40219 , 116735 , 201095 , 685897 , 3429485 , 25378189 , 126890945
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
-126890944
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 126890945 can be divided by 16 positive divisors.
The sum of these divisors (counting 126890945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100000011001111000001
3
Ternary
22211202201122122
4
Quaternary
13210003033001
5
Quinary
224441002240
6
Senary
20331414025
8
Octal
744031701
10
Decimal
126890945
12
Duodecimal
365b4315
16
Hexadecimal
79033c1
20
Vigesimal
1jd1775
36
Base36
23jpoh
md5
78cc7b869f663a492eb0515826a1ce18
sha1
3a93d923234989085b580fbdc3b7675e2c62df79
sha256
14b91fc7eda1516c5cbe0c7e326a371c5da20a99c36310c54350d62f768054e2
sha512
f10f1027db9c2c72de1d1831a7292d59d7cc0685cb6a5e1e04ab36b6d76a2c2f8b3500c8f41584776cc715745fbf09562e73066fd372850c37e1a2c8f1482504
ripemd-160
ba9c57f3f495e6b3adb96cfff2b9b74592964ccc
Diameter
253781890
Circumference
797279321.23813
Area
5.0583763250433E+16
Volume
8.5581620273382E+24
Surface area
2.0233505300173E+17
Circumference
797279321.23813
Perimeter
507563780
Area
16101311922993025
Diagonal
179450895.36134
Surface area
96607871537958150
Volume
2.0431106856484E+24
Space diagonal
219781563.76043
Perimeter
380672835
Area
6.9720725797846E+15
Altitude
109890781.88021
Surface area
6.9720725797846E+15
Volume
2.4078290342277E+23
Height
59816965.120446