126156721 is an odd 9-digits prime number following 126156720
and preceding 126156722 . In scientific notation, it is written as 1.26156721 × 10^8.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 126156720 positive integers (up to 126156721) that are relatively prime to 126156721.
126156721 has 2 divisors, whose sum is 126156722
The reverse of 126156721 is 127651621
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-six million one hundred fifty-six thousand seven hundred twenty-one
Scientific notation
1.26156721 × 10^8
Engineering notation
1.26156721 × 10^6
Prime Factorization
126156721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
126156721
Product of the distinct prime numbers
The prime factorization of 126156721 is 126156721.
Since it has a total of 1 prime factors.
9 , 9 , 88 , 91 , 178 , 148 , 8023 , 1487 , 85458 , 71187 , 945112 , 694357 , 2619729 , 7452032 , 75097264 , 40869136 , 733243068 , 752977894 , 5835866232 , 9368978937
n×2
252313442
n×3
378470163
n×4
504626884
n×5
630783605
n÷2
63078360.5
n÷3
42052240.333333
n÷3
31539180.25
n÷5
25231344.2
n2
15915518253471841
n3
2.0078495958737E+24
n4
2.533037212766E+32
n5
3.1955966893353E+40
2 √n
11231.950899109
3 √n
501.53756162855
4 √n
105.98089874647
5 √n
41.704419312031
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
126156722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
63078361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11231.950943625
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999841467
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126156721 can be divided by 2 positive divisors.
The sum of these divisors (counting 126156721) is 126156722, the average is 63078361.
Base
System
Value
2
Binary
111100001001111111110110001
3
Ternary
22210101102111011
4
Quaternary
13201033332301
5
Quinary
224244003341
6
Senary
20303550521
8
Octal
741177661
10
Decimal
126156721
12
Duodecimal
362bb441
16
Hexadecimal
784ffb1
20
Vigesimal
1j89bg1
36
Base36
233z5d
md5
8d1aaca477d2c62cf3c93c78eb121300
sha1
5e565cda52fdf9c04df757e8e45e24330bf8db44
sha256
6ca814dd52e73751616153842461867046deb9b11b97b1aed6fad7e99c8d00d4
sha512
74033c6acf3c8686c6d6c2a2a8ffedd34e291ea75d9d57cc68703fd92953bb62c99f6b8ad6e4f9a8619edbb5825b656d0ab9a9ddb1cebe3c660e64edd94ce631
ripemd-160
81aa240119cac39080b70e8d82e978fbfeed465f
Diameter
252313442
Circumference
792666055.78915
Area
5.0000075223181E+16
Volume
8.4104607198799E+24
Surface area
2.0000030089273E+17
Circumference
792666055.78915
Perimeter
504626884
Area
15915518253471841
Diagonal
178412545.82272
Surface area
95493109520831046
Volume
2.0078495958737E+24
Space diagonal
218509850.48829
Perimeter
378470163
Area
6.8916215609508E+15
Altitude
109254925.24415
Surface area
6.8916215609508E+15
Volume
2.3662734414082E+23
Height
59470848.607573