155440285 is an odd 9-digits composite number following 155440284
and preceding 155440286 . In scientific notation, it is written as 1.55440285 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 89406720 positive integers (up to 155440285) that are relatively prime to 155440285.
155440285 has 16 divisors, whose sum is 174144960
The reverse of 155440285 is 582044551
Previous prime number is 91
Is Prime? no Number parity odd Number length 9 Sum of Digits 34 Digital Root 7
Name
one hundred fifty-five million four hundred forty thousand two hundred eighty-five
Scientific notation
1.55440285 × 10^8
Engineering notation
1.55440285 × 10^6
Prime Factorization
11 × 65 × 91 × 2389
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
155440285 Product of the distinct prime numbers
The prime factorization of 155440285 is 11 × 65 × 91 × 2389.
Since it has a total of 4 prime factors.
7 , 4 , 83 , 24 , 104 , 194 , 1578 , 8681 , 36256 , 52706 , 688103 , 285332 , 6719448 , 4337428 , 79171640 , 84358789 , 335839126 , 864713907 , 2222416457 , 8852294656
n×2
310880570
n×3
466320855
n×4
621761140
n×5
777201425
n÷2
77720142.5
n÷3
51813428.333333
n÷3
38860071.25
n÷5
31088057
n2
24161682200881225
n3
3.7556987673844E+24
n4
5.8378688677638E+32
n5
9.0744000059783E+40
2 √n12467.569330066
3 √n537.67667240763
4 √n111.65827031647
5 √n43.482320896263
1 , 11 , 65 , 91 , 715 , 1001 , 2389 , 5915 , 26279 , 65065 , 155285 , 217399 , 1708135 , 2391389 , 14130935 , 155440285
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
-155440284 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 155440285 can be divided by 16 positive divisors.
The sum of these divisors (counting 155440285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000111101010010011101
3
Ternary
101211111011222121
4
Quaternary
21100331102131
5
Quinary
304243042120
6
Senary
23231342541
8
Octal
1120752235
10
Decimal
155440285
12
Duodecimal
44081a51
16
Hexadecimal
943d49d
20
Vigesimal
28ba0e5
36
Base36
2kjmhp
md5
95d7b925d7a80c0d38e3f5d1b89920c7
sha1
2ef92257984ccecc92dc17c64a05bc2277fb55ef
sha256
1ebf61ae81417d97f6a6545913995e78300a6fbbcc3322ccf2c1190ec550130a
sha512
2f10dd5613682805db576223f1ff44d39db24bafc2d1e04d75932a14af071b9193a2546b7d9ba1eef1270d7e29dbd108a73b025faef6d38d2f1a3f0c2fd5b740
ripemd-160
2bbd18e914a05cd34dcdf024d64d5b019eded4b7
Diameter
310880570
Circumference
976660114.85581
Area
7.590616330066E+16
Volume
1.5731834208948E+25
Surface area
3.0362465320264E+17
Circumference
976660114.85581
Perimeter
621761140
Area
24161682200881225
Diagonal
219825759.18614
Surface area
144970093205287350
Volume
3.7556987673844E+24
Space diagonal
269230471.16299
Perimeter
466320855
Area
1.0462315292065E+16
Altitude
134615235.58149
Surface area
1.0462315292065E+16
Volume
4.4261334441858E+23
Height
73275253.062046