149723987 is an odd 9-digits composite number following 149723986
and preceding 149723988 . In scientific notation, it is written as 1.49723987 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 128334840 positive integers (up to 149723987) that are relatively prime to 149723987.
149723987 has 4 divisors, whose sum is 171113136
The reverse of 149723987 is 789327941
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred forty-nine million seven hundred twenty-three thousand nine hundred eighty-seven
Scientific notation
1.49723987 × 10^8
Engineering notation
1.49723987 × 10^6
Prime Factorization
7 × 21389141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
149723987
Product of the distinct prime numbers
The prime factorization of 149723987 is 7 × 21389141.
Since it has a total of 2 prime factors.
4 , 3 , 3 , 62 , 52 , 200 , 6349 , 6507 , 4974 , 35011 , 31161 , 44047 , 1585160 , 1630645 , 28604547 , 93650663 , 669908758 , 502098837 , 6664416082 , 4710186273
n×2
299447974
n×3
449171961
n×4
598895948
n×5
748619935
n÷2
74861993.5
n÷3
49907995.666667
n÷3
37430996.75
n÷5
29944797.4
n2
22417272283176169
n3
3.3564033839017E+24
n4
5.0253409661806E+32
n5
7.5241408549099E+40
2 √n
12236.175341993
3 √n
531.00318718288
4 √n
110.61724703677
5 √n
43.157698497438
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
-149723986
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 149723987 can be divided by 4 positive divisors.
The sum of these divisors (counting 149723987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111011001001101101010011
3
Ternary
101102201202200212
4
Quaternary
20323021231103
5
Quinary
301312131422
6
Senary
22505034335
8
Octal
1073115523
10
Decimal
149723987
12
Duodecimal
421859ab
16
Hexadecimal
8ec9b53
20
Vigesimal
26ff9j7
36
Base36
2h53rn
md5
756da17438b01c62036b3c474b8921a6
sha1
29ab35eaf900ea0df19ed9a66854d2ed550ba0a4
sha256
726250b3d79a49600144908335d6ad586bd7893c70d2d68c205e5efac9ee6fb7
sha512
7f8f315af2e26380419e0165ac8a032ba2f31aa93903449dc39da1b07aec2e600dff74deeb1093a0047a814ea3009c9fbf7c1e2dadf0f3446c431a153c750f5b
ripemd-160
c3f58256611b20c3aba6907fbdec3efbfd2755c1
Diameter
299447974
Circumference
940743555.25075
Area
7.0425937918348E+16
Volume
1.4059269617799E+25
Surface area
2.8170375167339E+17
Circumference
940743555.25075
Perimeter
598895948
Area
22417272283176169
Diagonal
211741693.02797
Surface area
134503633699057014
Volume
3.3564033839017E+24
Space diagonal
259329552.59578
Perimeter
449171961
Area
9.7069636403917E+15
Altitude
129664776.29789
Surface area
9.7069636403917E+15
Volume
3.955559321924E+23
Height
70580564.342658