149702981 is an odd 9-digits composite number following 149702980
and preceding 149702982 . In scientific notation, it is written as 1.49702981 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 148249452 positive integers (up to 149702981) that are relatively prime to 149702981.
149702981 has 4 divisors, whose sum is 151156512
The reverse of 149702981 is 189207941
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred forty-nine million seven hundred two thousand nine hundred eighty-one
Scientific notation
1.49702981 × 10^8
Engineering notation
1.49702981 × 10^6
Prime Factorization
103 × 1453427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
149702981
Product of the distinct prime numbers
The prime factorization of 149702981 is 103 × 1453427.
Since it has a total of 2 prime factors.
3 , 6 , 32 , 2 , 269 , 92 , 7927 , 2387 , 50545 , 16008 , 660680 , 73584 , 1061876 , 8178453 , 88570289 , 34406092 , 135814200 , 27075075 , 5820306494 , 6628096496
n×2
299405962
n×3
449108943
n×4
598811924
n×5
748514905
n÷2
74851490.5
n÷3
49900993.666667
n÷3
37425745.25
n÷5
29940596.2
n2
22410982520286361
n3
3.3549908904258E+24
n4
5.0225213752458E+32
n5
7.5188642201052E+40
2 √n
12235.316955437
3 √n
530.97835309794
4 √n
110.61336698355
5 √n
43.156487440328
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
-149702980
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 149702981 can be divided by 4 positive divisors.
The sum of these divisors (counting 149702981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111011000100100101000101
3
Ternary
101102200200212212
4
Quaternary
20323010211011
5
Quinary
301310443411
6
Senary
22504353205
8
Octal
1073044505
10
Decimal
149702981
12
Duodecimal
42175805
16
Hexadecimal
8ec4945
20
Vigesimal
26fch91
36
Base36
2h4nk5
md5
a23833f546b93da063f430128407eb1d
sha1
4b85e7c0b88b7fa3a6caec3b9a3395324caaeec4
sha256
03e1e0d5d810b33309facdeba8e0bdbd5ef7f78badd481cc7818fd7a54838205
sha512
5a551040f9395cda204959fddaf2759265845281ae5c91ef116ba19bec1d91d617bd0e992b35749de5eba02a387ed4d3f02fea59d610099a244d043c0ac50f82
ripemd-160
38c46bf7bb30705cef794aa72b3c777f04a68433
Diameter
299405962
Circumference
940611570.66018
Area
7.0406178045461E+16
Volume
1.4053352978963E+25
Surface area
2.8162471218184E+17
Circumference
940611570.66018
Perimeter
598811924
Area
22410982520286361
Diagonal
211711986.05788
Surface area
134465895121718166
Volume
3.3549908904258E+24
Space diagonal
259293169.13652
Perimeter
449108943
Area
9.7042400931685E+15
Altitude
129646584.56826
Surface area
9.7042400931685E+15
Volume
3.9538946823986E+23
Height
70570662.019294