155220561 is an odd 9-digits composite number following 155220560
and preceding 155220562 . In scientific notation, it is written as 1.55220561 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 103480368 positive integers (up to 155220561) that are relatively prime to 155220561.
155220561 has 6 divisors, whose sum is 224207490
The reverse of 155220561 is 165022551
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred fifty-five million two hundred twenty thousand five hundred sixty-one
Scientific notation
1.55220561 × 10^8
Engineering notation
1.55220561 × 10^6
Prime Factorization
3 × 3 × 17246729
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
51740187
Product of the distinct prime numbers
The prime factorization of 155220561 is 3 × 3 × 17246729.
Since it has a total of 3 prime factors.
5 , 4 , 44 , 30 , 509 , 261 , 8604 , 8550 , 31818 , 34524 , 933390 , 653042 , 634593 , 1216147 , 10760994 , 85438241 , 757158706 , 810296286 , 8114014409 , 3050277515
n×2
310441122
n×3
465661683
n×4
620882244
n×5
776102805
n÷2
77610280.5
n÷3
51740187
n÷3
38805140.25
n÷5
31044112.2
n2
24093422557154721
n3
3.7397945657316E+24
n4
5.8049301051761E+32
n5
9.0104450749123E+40
2 √n
12458.754391993
3 √n
537.42320705683
4 √n
111.61879049691
5 √n
43.470020975195
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155220560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155220561 can be divided by 6 positive divisors.
The sum of these divisors (counting 155220561) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001010000000111101001010001
3
Ternary
101211002000120200
4
Quaternary
21100013221101
5
Quinary
304214024221
6
Senary
23222525413
8
Octal
1120075121
10
Decimal
155220561
12
Duodecimal
43b96869
16
Hexadecimal
9407a51
20
Vigesimal
28a2b81
36
Base36
2kewy9
md5
fbdcdfe473c98eda087028d745422a2e
sha1
623d79658a7883251aebe863a859eea790654c55
sha256
f46f47d4fb8b267c31bbc4cb148b83af0a3cb1cd31a0099d59e7111cc8ae7c6b
sha512
23a5ce850dc0972c648a8466e932499fceeb8ec95277232d7fd30c8406408d1455310aa47d0bdd2fb805b3e19cd2f93f0ec96aa6410081106c6244c6514e074d
ripemd-160
ba7ebfac43cc40d0316c060d6d649e68e3b5da32
Diameter
310441122
Circumference
975279548.24737
Area
7.5691719305392E+16
Volume
1.566521484485E+25
Surface area
3.0276687722157E+17
Circumference
975279548.24737
Perimeter
620882244
Area
24093422557154721
Diagonal
219515022.52536
Surface area
144560535342928326
Volume
3.7397945657316E+24
Space diagonal
268849898.03134
Perimeter
465661683
Area
1.0432757999305E+16
Altitude
134424949.01567
Surface area
1.0432757999305E+16
Volume
4.407390162789E+23
Height
73171674.17512