148947991 is an odd 9-digits composite number following 148947990
and preceding 148947992 . In scientific notation, it is written as 1.48947991 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 147501792 positive integers (up to 148947991) that are relatively prime to 148947991.
148947991 has 4 divisors, whose sum is 150394192
The reverse of 148947991 is 199749841
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred forty-eight million nine hundred forty-seven thousand nine hundred ninety-one
Scientific notation
1.48947991 × 10^8
Engineering notation
1.48947991 × 10^6
Prime Factorization
103 × 1446097
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
148947991
Product of the distinct prime numbers
The prime factorization of 148947991 is 103 × 1446097.
Since it has a total of 2 prime factors.
7 , 2 , 45 , 31 , 831 , 230 , 1398 , 4155 , 87945 , 97123 , 598070 , 756796 , 5410161 , 3897979 , 60214643 , 90980809 , 697324903 , 516635101 , 4577297344 , 4149964476
n×2
297895982
n×3
446843973
n×4
595791964
n×5
744739955
n÷2
74473995.5
n÷3
49649330.333333
n÷3
37236997.75
n÷5
29789598.2
n2
22185504022936081
n3
3.3044862535387E+24
n4
4.9219658875171E+32
n5
7.3311693071621E+40
2 √n
12204.42505815
3 √n
530.08422892978
4 √n
110.47363965286
5 √n
43.112869544432
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
-148947990
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 148947991 can be divided by 4 positive divisors.
The sum of these divisors (counting 148947991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111000001100010000010111
3
Ternary
101101021100020021
4
Quaternary
20320030100113
5
Quinary
301112313431
6
Senary
22440250011
8
Octal
1070142027
10
Decimal
148947991
12
Duodecimal
41a70907
16
Hexadecimal
8e0c417
20
Vigesimal
26ai9jb
36
Base36
2goh07
md5
96958dacebccfab89ffcb89cb66a87f5
sha1
2f26a93d772f3b3ea3417527080fab5d762ba15f
sha256
7eb5f2a86e10c3c0ebb36e3b3f28153064134031df23d2245b1c334fb17d3bb4
sha512
f5c189830813086dc2606d7d1a2156757f79ddf58ad19dd722bd8a8180cc8846e2bdeabb3c15d53e58587be83afe0817a0d6a118cd794d3ac5e15d6ab9a50dcf
ripemd-160
33aa709e3cb46dcb818fcfb3feea29a8544cbcef
Diameter
297895982
Circumference
935867828.58512
Area
6.9697816454643E+16
Volume
1.3841799650674E+25
Surface area
2.7879126581857E+17
Circumference
935867828.58512
Perimeter
595791964
Area
22185504022936081
Diagonal
210644268.96043
Surface area
133113024137616486
Volume
3.3044862535387E+24
Space diagonal
257985488.09731
Perimeter
446843973
Area
9.6066050398123E+15
Altitude
128992744.04866
Surface area
9.6066050398123E+15
Volume
3.894374397025E+23
Height
70214756.320142