155405961 is an odd 9-digits composite number following 155405960
and preceding 155405962 . In scientific notation, it is written as 1.55405961 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 103429656 positive integers (up to 155405961) that are relatively prime to 155405961.
155405961 has 8 divisors, whose sum is 172963840
The reverse of 155405961 is 169504551
Previous prime number is 607
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred fifty-five million four hundred five thousand nine hundred sixty-one
Scientific notation
1.55405961 × 10^8
Engineering notation
1.55405961 × 10^6
Prime Factorization
9 × 607 × 28447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155405961
Product of the distinct prime numbers
The prime factorization of 155405961 is 9 × 607 × 28447.
Since it has a total of 3 prime factors.
6 , 1 , 23 , 74 , 431 , 805 , 3903 , 1998 , 57977 , 20022 , 242008 , 762708 , 5043077 , 2343749 , 62909703 , 66604147 , 305229553 , 310918628 , 4778425869 , 1038579411
n×2
310811922
n×3
466217883
n×4
621623844
n×5
777029805
n÷2
77702980.5
n÷3
51801987
n÷3
38851490.25
n÷5
31081192.2
n2
24151012714333521
n3
3.7532113399942E+24
n4
5.832714151279E+32
n5
9.0643854791781E+40
2 √n
12466.19272272
3 √n
537.63709327989
4 √n
111.65210576931
5 √n
43.480400391515
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155405960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155405961 can be divided by 8 positive divisors.
The sum of these divisors (counting 155405961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010000110100111010001001
3
Ternary
101211102102220100
4
Quaternary
21100310322021
5
Quinary
304240442321
6
Senary
23230520013
8
Octal
1120647211
10
Decimal
155405961
12
Duodecimal
44066009
16
Hexadecimal
9434e89
20
Vigesimal
28b5ei1
36
Base36
2kiw09
md5
4e3230e7aa2892b16ffb05bf0ca2e409
sha1
db643ae812d022ea9520d0ac3332f8de9fa882c4
sha256
ec82a6285dd494ba31ada20c3463dd45745c77c886be969fc11eab26fb5c563a
sha512
922d7beaae82bd96169a8d7223147bfc748aa19fa55e29aca469d482fc23d67ef8012f8cf629395f32b9637416f992d950eddb60bb2152a2d9f22f355a4acc87
ripemd-160
f447bf451d3b81183299c69f8180c51e922b54e4
Diameter
310811922
Circumference
976444450.80332
Area
7.5872644120104E+16
Volume
1.5721414897461E+25
Surface area
3.0349057648042E+17
Circumference
976444450.80332
Perimeter
621623844
Area
24151012714333521
Diagonal
219777217.71982
Surface area
144906076286001126
Volume
3.7532113399942E+24
Space diagonal
269171020.25107
Perimeter
466217883
Area
1.0457695268867E+16
Altitude
134585510.12553
Surface area
1.0457695268867E+16
Volume
4.4232019828936E+23
Height
73259072.573275