149721806 is an even 9-digits composite number following 149721805
and preceding 149721807 . In scientific notation, it is written as 1.49721806 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 69008544 positive integers (up to 149721806) that are relatively prime to 149721806.
149721806 has 16 divisors, whose sum is 242186784
The reverse of 149721806 is 608127941
Previous prime number is 823
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred forty-nine million seven hundred twenty-one thousand eight hundred six
Scientific notation
1.49721806 × 10^8
Engineering notation
1.49721806 × 10^6
Prime Factorization
2 × 13 × 823 × 6997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
149721806
Product of the distinct prime numbers
The prime factorization of 149721806 is 2 × 13 × 823 × 6997.
Since it has a total of 4 prime factors.
4 , 1 , 44 , 37 , 269 , 368 , 9848 , 5403 , 18344 , 45534 , 918138 , 997696 , 1362978 , 8682967 , 58691081 , 20667522 , 986916039 , 812090415 , 5187505024 , 3766359283
n×2
299443612
n×3
449165418
n×4
598887224
n×5
748609030
n÷2
74860903
n÷3
49907268.666667
n÷3
37430451.5
n÷5
29944361.2
n2
22416619191901636
n3
3.3562567098258E+24
n4
5.0250481599473E+32
n5
7.5235928574429E+40
2 √n
12236.086220683
3 √n
531.00060883055
4 √n
110.61684419962
5 √n
43.157572762757
1 , 2 , 13 , 26 , 823 , 1646 , 6997 , 10699 , 13994 , 21398 , 90961 , 181922 , 5758531 , 11517062 , 74860903 , 149721806
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-149721805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 149721806 can be divided by 16 positive divisors.
The sum of these divisors (counting 149721806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111011001001001011001110
3
Ternary
101102201122201002
4
Quaternary
20323021023032
5
Quinary
301312044211
6
Senary
22505020302
8
Octal
1073111316
10
Decimal
149721806
12
Duodecimal
42184692
16
Hexadecimal
8ec92ce
20
Vigesimal
26ff4a6
36
Base36
2h5232
md5
7eef3b21725f88b07712857e55046724
sha1
cd5d9c435070b7b7d205cd447b11403a5c7c6b33
sha256
1c788eb9e0aa11a1eff2956852b142b5b0b32cf29ce74184858b2d34fde691e9
sha512
a045bfcbb93941508a22fe0bd4aeccc3a7f1be2882c09ab907389857bf6bb8d604512f81227e2927b179bfcabe6f33a712b93c5b53a38de32941638729b03eaa
ripemd-160
50329d52cece933dad94bcffacd3ce46599fd7ea
Diameter
299443612
Circumference
940729851.62359
Area
7.0423886171598E+16
Volume
1.4058655230867E+25
Surface area
2.8169554468639E+17
Circumference
940729851.62359
Perimeter
598887224
Area
22416619191901636
Diagonal
211738608.62819
Surface area
134499715151409816
Volume
3.3562567098258E+24
Space diagonal
259325774.99297
Perimeter
449165418
Area
9.7066808435743E+15
Altitude
129662887.49649
Surface area
9.7066808435743E+15
Volume
3.9553864648678E+23
Height
70579536.209398