155111661 is an odd 9-digits composite number following 155111660
and preceding 155111662 . In scientific notation, it is written as 1.55111661 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 103245504 positive integers (up to 155111661) that are relatively prime to 155111661.
155111661 has 12 divisors, whose sum is 224401788
The reverse of 155111661 is 166111551
Previous prime number is 26393
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred fifty-five million one hundred eleven thousand six hundred sixty-one
Scientific notation
1.55111661 × 10^8
Engineering notation
1.55111661 × 10^6
Prime Factorization
3 × 3 × 26393 × 653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51703887
Product of the distinct prime numbers
The prime factorization of 155111661 is 3 × 3 × 26393 × 653.
Since it has a total of 4 prime factors.
6 , 6 , 38 , 10 , 401 , 517 , 7354 , 4433 , 56187 , 12903 , 361102 , 267765 , 126391 , 9652973 , 9362761 , 74990092 , 739215517 , 894375774 , 1777651680 , 1830265967
n×2
310223322
n×3
465334983
n×4
620446644
n×5
775558305
n÷2
77555830.5
n÷3
51703887
n÷3
38777915.25
n÷5
31022332.2
n2
24059627378178921
n3
3.7319287656704E+24
n4
5.7886566957682E+32
n5
8.9788815503937E+40
2 √n
12454.383204318
3 √n
537.29749544792
4 √n
111.59920790184
5 √n
43.463919703176
1 , 3 , 9 , 653 , 1959 , 5877 , 26393 , 79179 , 237537 , 17234629 , 51703887 , 155111661
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155111660
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155111661 can be divided by 12 positive divisors.
The sum of these divisors (counting 155111661) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001001111101101000011101101
3
Ternary
101210212111012100
4
Quaternary
21033231003231
5
Quinary
304202033121
6
Senary
23220325313
8
Octal
1117550355
10
Decimal
155111661
12
Duodecimal
43b43839
16
Hexadecimal
93ed0ed
20
Vigesimal
2898j31
36
Base36
2kckx9
md5
8a297aa55e093a1a3c2cf38db556f057
sha1
dc8e960ecf1c414231952bcb91113b111266f712
sha256
a185fdf9b4e86b2ca3374cd865bd10c8b427363028ef5654d1cc53b7f411e06d
sha512
2285da64aa9196518e6641424cc8a458ade2773180f23851ff34495acd3258997b59989b560f18b2ccb50b7fb9c53cd36c32ba33eb3aa6536fd3c99170a31665
ripemd-160
654e5d8f06e01c5a39c7f0b322a4c3e136ba5d53
Diameter
310223322
Circumference
974595309.36742
Area
7.5585548619395E+16
Volume
1.5632266658601E+25
Surface area
3.0234219447758E+17
Circumference
974595309.36742
Perimeter
620446644
Area
24059627378178921
Diagonal
219361014.66842
Surface area
144357764269073526
Volume
3.7319287656704E+24
Space diagonal
268661277.6984
Perimeter
465334983
Area
1.0418124257545E+16
Altitude
134330638.8492
Surface area
1.0418124257545E+16
Volume
4.3981202285178E+23
Height
73120338.222806