155206885 is an odd 9-digits composite number following 155206884
and preceding 155206886 . In scientific notation, it is written as 1.55206885 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 123607824 positive integers (up to 155206885) that are relatively prime to 155206885.
155206885 has 8 divisors, whose sum is 187084800
The reverse of 155206885 is 588602551
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-five million two hundred six thousand eight hundred eighty-five
Scientific notation
1.55206885 × 10^8
Engineering notation
1.55206885 × 10^6
Prime Factorization
5 × 223 × 139199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155206885
Product of the distinct prime numbers
The prime factorization of 155206885 is 5 × 223 × 139199.
Since it has a total of 3 prime factors.
3 , 6 , 15 , 7 , 328 , 505 , 8154 , 8027 , 87794 , 57900 , 96774 , 815375 , 6021544 , 1039207 , 6724479 , 61014149 , 821462179 , 431095778 , 6305978561 , 43380822
n×2
310413770
n×3
465620655
n×4
620827540
n×5
776034425
n÷2
77603442.5
n÷3
51735628.333333
n÷3
38801721.25
n÷5
31041377
n2
24089177151403225
n3
3.7388061478825E+24
n4
5.8028845583169E+32
n5
9.0064763631096E+40
2 √n
12458.205528887
3 √n
537.40742303183
4 √n
111.61633181971
5 √n
43.469254946576
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
-155206884
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 155206885 can be divided by 8 positive divisors.
The sum of these divisors (counting 155206885) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010000000100010011100101
3
Ternary
101211001022211011
4
Quaternary
21100010103211
5
Quinary
304213110020
6
Senary
23222342221
8
Octal
1120042345
10
Decimal
155206885
12
Duodecimal
43b8a971
16
Hexadecimal
94044e5
20
Vigesimal
28a0h45
36
Base36
2kemed
md5
205af90bfbf6c3375df1fc569b28f1df
sha1
772df62ab01347ba0eb0f5fa8aefa6402d833583
sha256
415ce9daaa0be09078e65ce361a097c88b476edd2a883029240b91431f472fd5
sha512
bb3c0a1d093219cb4c7ac005b8cce8cbed88a6711cac0333384546138b8c8c97b613d34ad5657dda1ccc6e57790bacfa4634069907aa27830994be33147453bf
ripemd-160
32519409dda9168dccaf158dff27729098931b1d
Diameter
310413770
Circumference
975193619.40511
Area
7.5678381969871E+16
Volume
1.5661074569845E+25
Surface area
3.0271352787949E+17
Circumference
975193619.40511
Perimeter
620827540
Area
24089177151403225
Diagonal
219495681.74068
Surface area
144535062908419350
Volume
3.7388061478825E+24
Space diagonal
268826210.5045
Perimeter
465620655
Area
1.0430919684689E+16
Altitude
134413105.25225
Surface area
1.0430919684689E+16
Volume
4.4062253011827E+23
Height
73165227.246894