155890257 is an odd 9-digits composite number following 155890256
and preceding 155890258 . In scientific notation, it is written as 1.55890257 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 103896288 positive integers (up to 155890257) that are relatively prime to 155890257.
155890257 has 8 divisors, whose sum is 207914784
The reverse of 155890257 is 752098551
Previous prime number is 10163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-five million eight hundred ninety thousand two hundred fifty-seven
Scientific notation
1.55890257 × 10^8
Engineering notation
1.55890257 × 10^6
Prime Factorization
3 × 10163 × 5113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155890257
Product of the distinct prime numbers
The prime factorization of 155890257 is 3 × 10163 × 5113.
Since it has a total of 3 prime factors.
5 , 9 , 25 , 7 , 953 , 279 , 1710 , 2775 , 62260 , 40414 , 718633 , 525511 , 1463260 , 900616 , 8446731 , 78366502 , 159636834 , 386968426 , 1776717995 , 3728100647
n×2
311780514
n×3
467670771
n×4
623561028
n×5
779451285
n÷2
77945128.5
n÷3
51963419
n÷3
38972564.25
n÷5
31178051.4
n2
24301772227526049
n3
3.7884095181045E+24
n4
5.9057613339856E+32
n5
9.2065065213567E+40
2 √n
12485.60198789
3 √n
538.19499871138
4 √n
111.73899045494
5 √n
43.507466514508
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
-155890256
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 155890257 can be divided by 8 positive divisors.
The sum of these divisors (counting 155890257) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010010101011001001010001
3
Ternary
101212100001020020
4
Quaternary
21102223021101
5
Quinary
304401442012
6
Senary
23245134053
8
Octal
1122531121
10
Decimal
155890257
12
Duodecimal
4425a329
16
Hexadecimal
94ab251
20
Vigesimal
28e65ch
36
Base36
2kt9ox
md5
633f2eccc062e47d071a16e40100e128
sha1
65bb2e7b356438838025eb959ad26406e5faf3bf
sha256
0875a2ae7965926bfc6853c7b3260977bc4d5d80920ae3a03da54b741fe75aff
sha512
622c49aac577ad9c929c4bb010d70e85f924e0b017fea7d5a81014f812cf81827a55110e6921571f6f14ece1e82c11d89dbebae08e3540c2115e4a2f42db2ff5
ripemd-160
be25aa2a2b9d925facfe51cff3127f78e28d3d3d
Diameter
311780514
Circumference
979487372.31485
Area
7.6346269099208E+16
Volume
1.5868852681156E+25
Surface area
3.0538507639683E+17
Circumference
979487372.31485
Perimeter
623561028
Area
24301772227526049
Diagonal
220462115.69123
Surface area
145810633365156294
Volume
3.7884095181045E+24
Space diagonal
270009845.52897
Perimeter
467670771
Area
1.052297605301E+16
Altitude
135004922.76448
Surface area
1.052297605301E+16
Volume
4.4646834336056E+23
Height
73487371.897076