155220247 is an odd 9-digits composite number following 155220246
and preceding 155220248 . In scientific notation, it is written as 1.55220247 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 122799456 positive integers (up to 155220247) that are relatively prime to 155220247.
155220247 has 16 divisors, whose sum is 192189760
The reverse of 155220247 is 742022551
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred fifty-five million two hundred twenty thousand two hundred forty-seven
Scientific notation
1.55220247 × 10^8
Engineering notation
1.55220247 × 10^6
Prime Factorization
13 × 7 × 13 × 13 × 10093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
918463
Product of the distinct prime numbers
The prime factorization of 155220247 is 13 × 7 × 13 × 13 × 10093.
Since it has a total of 5 prime factors.
7 , 10 , 84 , 87 , 456 , 149 , 4809 , 727 , 11255 , 35237 , 183543 , 604007 , 6632609 , 4077701 , 70166071 , 73032921 , 516290626 , 709661674 , 2563195318 , 711574332
n×2
310440494
n×3
465660741
n×4
620880988
n×5
776101235
n÷2
77610123.5
n÷3
51740082.333333
n÷3
38805061.75
n÷5
31044049.4
n2
24093325078741009
n3
3.7397718697735E+24
n4
5.8048831334989E+32
n5
9.0103539378783E+40
2 √n
12458.741790406
3 √n
537.42284466712
4 √n
111.61873404768
5 √n
43.470003387837
1 , 7 , 13 , 91 , 169 , 1183 , 2197 , 10093 , 15379 , 70651 , 131209 , 918463 , 1705717 , 11940019 , 22174321 , 155220247
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
-155220246
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 155220247 can be divided by 16 positive divisors.
The sum of these divisors (counting 155220247) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000000111100100010111
3
Ternary
101211002000011001
4
Quaternary
21100013210113
5
Quinary
304214021442
6
Senary
23222524131
8
Octal
1120074427
10
Decimal
155220247
12
Duodecimal
43b96647
16
Hexadecimal
9407917
20
Vigesimal
28a2ac7
36
Base36
2kewpj
md5
bc6c47de2a0d9b5500b1737345950cec
sha1
487cf1baf2c17b6b501067430ff513f4062c502e
sha256
81ae30fb3d66eaa3fc37ffe47cb6fee797f4414d68ad2a2702d753bab5663da6
sha512
a04e4e93eb64010b34f260908274b3cd6f630da7b19973c9df950539586cb93cea56835c742078733b83778f2e8e1e6e6e02cbd76348a35cb871233dd7c02132
ripemd-160
3ec465d95c56d5ba48c7fb0b773ffaa3b6b7532f
Diameter
310440494
Circumference
975277575.32719
Area
7.5691413067923E+16
Volume
1.5665119776243E+25
Surface area
3.0276565227169E+17
Circumference
975277575.32719
Perimeter
620880988
Area
24093325078741009
Diagonal
219514578.4623
Surface area
144559950472446054
Volume
3.7397718697735E+24
Space diagonal
268849354.16739
Perimeter
465660741
Area
1.0432715789913E+16
Altitude
134424677.0837
Surface area
1.0432715789913E+16
Volume
4.4073634153459E+23
Height
73171526.154101