155431393 is an odd 9-digits composite number following 155431392
and preceding 155431394 . In scientific notation, it is written as 1.55431393 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 143475120 positive integers (up to 155431393) that are relatively prime to 155431393.
155431393 has 4 divisors, whose sum is 167387668
The reverse of 155431393 is 393134551
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-five million four hundred thirty-one thousand three hundred ninety-three
Scientific notation
1.55431393 × 10^8
Engineering notation
1.55431393 × 10^6
Prime Factorization
13 × 11956261
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155431393
Product of the distinct prime numbers
The prime factorization of 155431393 is 13 × 11956261.
Since it has a total of 2 prime factors.
5 , 8 , 26 , 17 , 850 , 397 , 4593 , 695 , 22220 , 46795 , 541385 , 210490 , 4341909 , 5991492 , 95026268 , 18963057 , 577128412 , 427695118 , 1021919202 , 7705158584
n×2
310862786
n×3
466294179
n×4
621725572
n×5
777156965
n÷2
77715696.5
n÷3
51810464.333333
n÷3
38857848.25
n÷5
31086278.6
n2
24158917929920449
n3
3.7550542672202E+24
n4
5.8365331554463E+32
n5
9.0718047864171E+40
2 √n
12467.21271977
3 √n
537.66641956972
4 √n
111.65667342246
5 √n
43.481823401492
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155431392
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155431393 can be divided by 4 positive divisors.
The sum of these divisors (counting 155431393) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010000111011000111100001
3
Ternary
101211110201210021
4
Quaternary
21100323013201
5
Quinary
304242301033
6
Senary
23231233441
8
Octal
1120730741
10
Decimal
155431393
12
Duodecimal
44078881
16
Hexadecimal
943b1e1
20
Vigesimal
28b8i9d
36
Base36
2kjfmp
md5
7ffc43d824d3cc9ddda412ac0375f94f
sha1
5dd329fd6bc2518a3a7b687d808dcab8a45e5492
sha256
760066ccc5ab39c1f3a81618cb79c6e015b809af4b7d8f34a3e16430f02fd651
sha512
73e03ef9c478edd1fffc3188c71de684a99342a74d8e1d9ecef594d3a2d266c8b845b5fae7a25692dcfa495662fef959ce6102277809a9037e8067295da270b7
ripemd-160
920f8c797f4ea84e4ce0492cb5bb6ab9e5b3ee8f
Diameter
310862786
Circumference
976604244.77206
Area
7.5897479087317E+16
Volume
1.5729134532973E+25
Surface area
3.0358991634927E+17
Circumference
976604244.77206
Perimeter
621725572
Area
24158917929920449
Diagonal
219813183.99914
Surface area
144953507579522694
Volume
3.7550542672202E+24
Space diagonal
269215069.76721
Perimeter
466294179
Area
1.0461118327627E+16
Altitude
134607534.8836
Surface area
1.0461118327627E+16
Volume
4.4253738934582E+23
Height
73271061.333048