31000145 is an odd 8-digits composite number following 31000144
and preceding 31000146 . In scientific notation, it is written as 3.1000145 × 10^7.
The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors.
There are 22334400 positive integers (up to 31000145) that are relatively prime to 31000145.
31000145 has 8 divisors, whose sum is 31859520
The reverse of 31000145 is 54100013
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
thirty-one million one hundred forty-five
Scientific notation
3.1000145 × 10^7
Engineering notation
3.1000145 × 10^6
Prime Factorization
55 × 109 × 5171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31000145
Product of the distinct prime numbers
The prime factorization of 31000145 is 55 × 109 × 5171.
Since it has a total of 3 prime factors.
7 , 8 , 71 , 72 , 655 , 670 , 273 , 1408 , 3287 , 63643 , 535906 , 758495 , 840117 , 4828798 , 31468458 , 925674 , 68969774 , 596073324 , 3361958975 , 6730601358
n×2
62000290
n×3
93000435
n×4
124000580
n×5
155000725
n÷2
15500072.5
n÷3
10333381.666667
n÷3
7750036.25
n÷5
6200029
n2
961008990021025
n3
2.9791418036955E+22
n4
9.2353827890123E+29
n5
2.8629820558989E+37
2 √n
5567.7773841992
3 √n
314.13855502353
4 √n
74.61754072736
5 √n
31.497257796776
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
-31000144
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 31000145 can be divided by 8 positive divisors.
The sum of these divisors (counting 31000145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110010000011001010001
3
Ternary
2011022222012112
4
Quaternary
1312100121101
5
Quinary
30414001040
6
Senary
3024235105
8
Octal
166203121
10
Decimal
31000145
12
Duodecimal
a46ba95
16
Hexadecimal
1d90651
20
Vigesimal
9df075
36
Base36
igfv5
md5
b1125db5f5924dbcffe4d68a6f08d42d
sha1
adb5e7506bdbcb0a7aea1c80d1db9a7087147915
sha256
e8de3043ea8014e2c4b7e6c4f7d7fedbe049b421ba1af83f19464b51ec3cf54f
sha512
2d4fc74593c155d16805f4ebafa73099330a1739496903d4ab41c99d090f0e90a33c6782508ceeeb82e10a843204b966723408467bcde20f6c1e70ef7b03bb8c
ripemd-160
e3fab6a97f7794fe406fcf6b2b7c428e352d25ca
Diameter
62000290
Circumference
194779655.58444
Area
3.0190987830838E+15
Volume
1.247900000599E+23
Surface area
1.2076395132335E+16
Circumference
194779655.58444
Perimeter
124000580
Area
961008990021025
Diagonal
43840825.494532
Surface area
5766053940126150
Volume
2.9791418036955E+22
Space diagonal
53693826.182002
Perimeter
93000435
Area
4.1612909931172E+14
Altitude
26846913.091001
Surface area
4.1612909931172E+14
Volume
3.5109522858491E+21
Height
14613608.498177