245328991 is an odd 9-digits composite number following 245328990
and preceding 245328992 . In scientific notation, it is written as 2.45328991 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 244095984 positive integers (up to 245328991) that are relatively prime to 245328991.
245328991 has 4 divisors, whose sum is 246562000
The reverse of 245328991 is 199823542
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred forty-five million three hundred twenty-eight thousand nine hundred ninety-one
Scientific notation
2.45328991 × 10^8
Engineering notation
2.45328991 × 10^6
Prime Factorization
199 × 1232809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245328991
Product of the distinct prime numbers
The prime factorization of 245328991 is 199 × 1232809.
Since it has a total of 2 prime factors.
4 , 5 , 5 , 93 , 461 , 53 , 4821 , 2372 , 21863 , 26713 , 85642 , 315986 , 9031404 , 7397075 , 90513249 , 76686540 , 219633824 , 539220333 , 3686706931 , 7900834937
n×2
490657982
n×3
735986973
n×4
981315964
n×5
1226644955
n÷2
122664495.5
n÷3
81776330.333333
n÷3
61332247.75
n÷5
49065798.2
n2
60186313825078081
n3
1.4765447642716E+25
n4
3.6223923718508E+33
n5
8.8867786559225E+41
2 √n
15662.981548862
3 √n
626.01243140668
4 √n
125.15183398122
5 √n
47.637589150237
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
-245328990
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 245328991 can be divided by 4 positive divisors.
The sum of these divisors (counting 245328991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100111110110110001011111
3
Ternary
122002122000002221
4
Quaternary
32213312301133
5
Quinary
1000301011431
6
Senary
40202130211
8
Octal
1647666137
10
Decimal
245328991
12
Duodecimal
6a1b0967
16
Hexadecimal
e9f6c5f
20
Vigesimal
3gd629b
36
Base36
422927
md5
ea05e30b7e534da1fe1d0cd545b7979b
sha1
bc3187211b172e8c8dad4eb084063a7e8a44d62e
sha256
a378cec0207c3a951a28155cfcf4c7a8164cfbc460c7e47050f3dd94a07c827d
sha512
e0d510d907a5b863e630895956c8623261ea023c2fced76cd1ce5039cbd9eddac0d74bf0007c9bc8c2980404c5cb96c6975b098456d844459d0648b51a55579b
ripemd-160
06ab56fe1b8cfda91caa93d8703db55e19fec87d
Diameter
490657982
Circumference
1541447511.6764
Area
1.8908088135952E+17
Volume
6.1849362455094E+25
Surface area
7.5632352543806E+17
Circumference
1541447511.6764
Perimeter
981315964
Area
60186313825078081
Diagonal
346947586.31551
Surface area
361117882950468486
Volume
1.4765447642716E+25
Space diagonal
424922276.98161
Perimeter
735986973
Area
2.606143836633E+16
Altitude
212461138.4908
Surface area
2.606143836633E+16
Volume
1.7401246925699E+24
Height
115649195.4385