245220991 is an odd 9-digits composite number following 245220990
and preceding 245220992 . In scientific notation, it is written as 2.45220991 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 245071872 positive integers (up to 245220991) that are relatively prime to 245220991.
245220991 has 4 divisors, whose sum is 245370112
The reverse of 245220991 is 199022542
Previous prime number is 1663
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred forty-five million two hundred twenty thousand nine hundred ninety-one
Scientific notation
2.45220991 × 10^8
Engineering notation
2.45220991 × 10^6
Prime Factorization
1663 × 147457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245220991
Product of the distinct prime numbers
The prime factorization of 245220991 is 1663 × 147457.
Since it has a total of 2 prime factors.
5 , 10 , 42 , 93 , 755 , 720 , 3751 , 6087 , 39358 , 99217 , 760140 , 232872 , 1523702 , 8321352 , 23160851 , 76749992 , 556876383 , 476537542 , 3324778335 , 9647020235
n×2
490441982
n×3
735662973
n×4
980883964
n×5
1226104955
n÷2
122610495.5
n÷3
81740330.333333
n÷3
61305247.75
n÷5
49044198.2
n2
60133334427022081
n3
1.4745955860329E+25
n4
3.6160179093121E+33
n5
8.8672349519526E+41
2 √n
15659.533549886
3 √n
625.92055577761
4 √n
125.13805795954
5 √n
47.633394158194
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
-245220990
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 245220991 can be divided by 4 positive divisors.
The sum of these divisors (counting 245220991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100111011100011001111111
3
Ternary
122002102111221221
4
Quaternary
32213130121333
5
Quinary
1000234032431
6
Senary
40155534211
8
Octal
1647343177
10
Decimal
245220991
12
Duodecimal
6a15a367
16
Hexadecimal
e9dc67f
20
Vigesimal
3gccc9b
36
Base36
41zxq7
md5
072c29058620309d4997264a64af364d
sha1
ebf6b0d5aa067c657ed3c4ede42d7051d279024c
sha256
300bbcbb01fd3eb297c4e3451e771ff35fafffb8df8388780255f08edf78c2f6
sha512
b53de03c10cf5bc515b642a9819af334ea7149ae96b7c6d938361dc7fc9bce4de2382fbf0b2b9900c2f25c113e270867b3e2e0c6fc7b68f584416f491acebf03
ripemd-160
9118c42ee2b96005e6ee62c9831a7f5f075f4820
Diameter
490441982
Circumference
1540768927.6632
Area
1.8891444167179E+17
Volume
6.1767715467958E+25
Surface area
7.5565776668716E+17
Circumference
1540768927.6632
Perimeter
980883964
Area
60133334427022081
Diagonal
346794851.25077
Surface area
360800006562132486
Volume
1.4745955860329E+25
Space diagonal
424735215.49439
Perimeter
735662973
Area
2.6038497614033E+16
Altitude
212367607.7472
Surface area
2.6038497614033E+16
Volume
1.737827563986E+24
Height
115598283.75026