149723931 is an odd 9-digits composite number following 149723930
and preceding 149723932 . In scientific notation, it is written as 1.49723931 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 85556520 positive integers (up to 149723931) that are relatively prime to 149723931.
149723931 has 4 divisors, whose sum is 156853664
The reverse of 149723931 is 139327941
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred forty-nine million seven hundred twenty-three thousand nine hundred thirty-one
Scientific notation
1.49723931 × 10^8
Engineering notation
1.49723931 × 10^6
Prime Factorization
21 × 7129711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
149723931
Product of the distinct prime numbers
The prime factorization of 149723931 is 21 × 7129711.
Since it has a total of 2 prime factors.
5 , 2 , 7 , 22 , 808 , 544 , 961 , 5945 , 36637 , 57172 , 279137 , 144835 , 6700538 , 5247600 , 21225520 , 78410121 , 581985197 , 620305463 , 7656510215 , 2767004603
n×2
299447862
n×3
449171793
n×4
598895724
n×5
748619655
n÷2
74861965.5
n÷3
49907977
n÷3
37430982.75
n÷5
29944786.2
n2
22417255514092761
n3
3.3563996178014E+24
n4
5.0253334478412E+32
n5
7.5241267839657E+40
2 √n
12236.173053696
3 √n
531.00312098066
4 √n
110.61723669346
5 √n
43.157695269056
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
-149723930
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 149723931 can be divided by 4 positive divisors.
The sum of these divisors (counting 149723931) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111011001001101100011011
3
Ternary
101102201202121210
4
Quaternary
20323021230123
5
Quinary
301312131211
6
Senary
22505034203
8
Octal
1073115433
10
Decimal
149723931
12
Duodecimal
42185963
16
Hexadecimal
8ec9b1b
20
Vigesimal
26ff9gb
36
Base36
2h53q3
md5
9407b56fec85be6079f5434364a11bed
sha1
4b61315c2f5d9f1f22de52ba760cc9c5ad7e65df
sha256
94095dcc88d8767bef85a40a077d46ce714845bad07b9b94968b9f7858dbe34d
sha512
9462c6ccd80ce5c23133567138c7f1cf18455b63ff176025ec60f32123822d44456a1ec77136b12f8e347be5586c500bd9faa0c2fe666c356ec4db4d3ebf1ab5
ripemd-160
c079d4cd971b9bbd064f037a41003caca32737bc
Diameter
299447862
Circumference
940743203.39237
Area
7.0425885236719E+16
Volume
1.4059253842395E+25
Surface area
2.8170354094688E+17
Circumference
940743203.39237
Perimeter
598895724
Area
22417255514092761
Diagonal
211741613.83201
Surface area
134503533084556566
Volume
3.3563996178014E+24
Space diagonal
259329455.60094
Perimeter
449171793
Area
9.7069563791656E+15
Altitude
129664727.80047
Surface area
9.7069563791656E+15
Volume
3.9555548835322E+23
Height
70580537.944005