245189391 is an odd 9-digits composite number following 245189390
and preceding 245189392 . In scientific notation, it is written as 2.45189391 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 163344192 positive integers (up to 245189391) that are relatively prime to 245189391.
245189391 has 8 divisors, whose sum is 327150000
The reverse of 245189391 is 193981542
Previous prime number is 1453
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred forty-five million one hundred eighty-nine thousand three hundred ninety-one
Scientific notation
2.45189391 × 10^8
Engineering notation
2.45189391 × 10^6
Prime Factorization
3 × 1453 × 56249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
245189391
Product of the distinct prime numbers
The prime factorization of 245189391 is 3 × 1453 × 56249.
Since it has a total of 3 prime factors.
6 , 10 , 13 , 75 , 174 , 953 , 8966 , 2764 , 45942 , 76082 , 631018 , 676887 , 4211669 , 1514440 , 31219768 , 41688357 , 139483002 , 142261696 , 1270514923 , 210585724
n×2
490378782
n×3
735568173
n×4
980757564
n×5
1225946955
n÷2
122594695.5
n÷3
81729797
n÷3
61297347.75
n÷5
49037878.2
n2
60117837458950881
n3
1.4740255954797E+25
n4
3.6141543807408E+33
n5
8.8615231159383E+41
2 √n
15658.524547351
3 √n
625.89366854807
4 √n
125.13402633717
5 √n
47.632166455099
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245189390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245189391 can be divided by 8 positive divisors.
The sum of these divisors (counting 245189391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100111010100101100001111
3
Ternary
122002100220121120
4
Quaternary
32213110230033
5
Quinary
1000232030031
6
Senary
40155132023
8
Octal
1647245417
10
Decimal
245189391
12
Duodecimal
6a144013
16
Hexadecimal
e9d4b0f
20
Vigesimal
3gc8d9b
36
Base36
41z9cf
md5
1aae21003d176367e17496c28bc17037
sha1
ed4999eabb8e3cd66de8a9641111e27a5f8bc675
sha256
70babb1e470bcebdecfc233a68e5d42930951af02e0b4a90f67c4681b95f1ed7
sha512
6d3000f446d3b8f45733250a987fb2695d1f42363c2b83ef43ff0c855f0873619dc368fff580910677d6bde1141bbba9c89052e04e426307c2e6635ec69fcae9
ripemd-160
02a0a88ffc37bafe0d2b0bc201025cd68c7d9b8c
Diameter
490378782
Circumference
1540570379.0075
Area
1.8886575651075E+17
Volume
6.1743839759499E+25
Surface area
7.5546302604298E+17
Circumference
1540570379.0075
Perimeter
980757564
Area
60117837458950881
Diagonal
346750162.1022
Surface area
360707024753705286
Volume
1.4740255954797E+25
Space diagonal
424680482.68887
Perimeter
735568173
Area
2.6031787230018E+16
Altitude
212340241.34444
Surface area
2.6031787230018E+16
Volume
1.7371558236771E+24
Height
115583387.3674