155220261 is an odd 9-digits composite number following 155220260
and preceding 155220262 . In scientific notation, it is written as 1.55220261 × 10^8.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 84840624 positive integers (up to 155220261) that are relatively prime to 155220261.
155220261 has 16 divisors, whose sum is 246810624
The reverse of 155220261 is 162022551
Previous prime number is 23
Is Prime? no Number parity odd Number length 9 Sum of Digits 24 Digital Root 6
Name
one hundred fifty-five million two hundred twenty thousand two hundred sixty-one
Scientific notation
1.55220261 × 10^8
Engineering notation
1.55220261 × 10^6
Prime Factorization
3 × 7 × 23 × 321367
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
155220261 Product of the distinct prime numbers
The prime factorization of 155220261 is 3 × 7 × 23 × 321367.
Since it has a total of 4 prime factors.
9 , 10 , 95 , 32 , 950 , 314 , 1918 , 2614 , 6437 , 17065 , 555091 , 898384 , 2345507 , 9405425 , 31637979 , 92707811 , 909612596 , 774614678 , 2204866168 , 2273714941
n×2
310440522
n×3
465660783
n×4
620881044
n×5
776101305
n÷2
77610130.5
n÷3
51740087
n÷3
38805065.25
n÷5
31044052.2
n2
24093329424908121
n3
3.7397728816932E+24
n4
5.8048852277714E+32
n5
9.0103580012973E+40
2 √n12458.74235226
3 √n537.42286082464
4 √n111.61873656452
5 √n43.470004171987
1 , 3 , 7 , 21 , 23 , 69 , 161 , 483 , 321367 , 964101 , 2249569 , 6748707 , 7391441 , 22174323 , 51740087 , 155220261
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
-155220260 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 155220261 can be divided by 16 positive divisors.
The sum of these divisors (counting 155220261) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000000111100100100101
3
Ternary
101211002000011120
4
Quaternary
21100013210211
5
Quinary
304214022021
6
Senary
23222524153
8
Octal
1120074445
10
Decimal
155220261
12
Duodecimal
43b96659
16
Hexadecimal
9407925
20
Vigesimal
28a2ad1
36
Base36
2kewpx
md5
80f63d68783a550df906d9fe6d6535b4
sha1
6d4ac5ce42c3b04244fb1fdfe2c6e052db91155c
sha256
bab5c6384aef9bbc3c5725b4424143a85235adc0983624986b8fa3470cb4b0b9
sha512
6bd183863f8f89059db7d6fe274e5616b95891a9c9e04024177d02448cc7d56db789b2c1cafbb32734a8f7024818caad76d07d89cf5eb2aeeae27e688d39aa5b
ripemd-160
eebe76ec03353fe9c601fc06881140ae0adb131f
Diameter
310440522
Circumference
975277663.29178
Area
7.569142672181E+16
Volume
1.5665124014962E+25
Surface area
3.0276570688724E+17
Circumference
975277663.29178
Perimeter
620881044
Area
24093329424908121
Diagonal
219514598.26129
Surface area
144559976549448726
Volume
3.7397728816932E+24
Space diagonal
268849378.4161
Perimeter
465660783
Area
1.0432717671859E+16
Altitude
134424689.20805
Surface area
1.0432717671859E+16
Volume
4.4073646079047E+23
Height
73171532.753764