245896991 is an odd 9-digits composite number following 245896990
and preceding 245896992 . In scientific notation, it is written as 2.45896991 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 237964800 positive integers (up to 245896991) that are relatively prime to 245896991.
245896991 has 4 divisors, whose sum is 253829184
The reverse of 245896991 is 199698542
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred forty-five million eight hundred ninety-six thousand nine hundred ninety-one
Scientific notation
2.45896991 × 10^8
Engineering notation
2.45896991 × 10^6
Prime Factorization
31 × 7932161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245896991
Product of the distinct prime numbers
The prime factorization of 245896991 is 31 × 7932161.
Since it has a total of 2 prime factors.
7 , 9 , 4 , 67 , 504 , 133 , 894 , 8519 , 17588 , 98845 , 737479 , 26493 , 3983928 , 4586615 , 32145940 , 3956402 , 213231698 , 267140143 , 828553334 , 3446749990
n×2
491793982
n×3
737690973
n×4
983587964
n×5
1229484955
n÷2
122948495.5
n÷3
81965663.666667
n÷3
61474247.75
n÷5
49179398.2
n2
60465330182854081
n3
1.4868242751785E+25
n4
3.6560561541216E+33
n5
8.9901320722553E+41
2 √n
15681.102990542
3 √n
626.49518587171
4 √n
125.22421088009
5 √n
47.659627415374
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
-245896990
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 245896991 can be divided by 4 positive divisors.
The sum of these divisors (counting 245896991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101010000001011100011111
3
Ternary
122010200212020222
4
Quaternary
32222001130133
5
Quinary
1000422200431
6
Senary
40222231555
8
Octal
1652013437
10
Decimal
245896991
12
Duodecimal
6a4255bb
16
Hexadecimal
ea8171f
20
Vigesimal
3ggh29b
36
Base36
42efbz
md5
f2df9e1100becfbe2461f6c0a5908085
sha1
ac650798a8afc8418d70edcc74fde0fbba97b70f
sha256
ff6858247adb7e9e781941abffb461258cad5146573ac766132b3a938fdc812c
sha512
f5f4fddfebaa9c9186f0445c1710b36d40d9cb4220e8a8e63a3c962189abf16e6eb1cbef38e76436ba96d2810476c76cde39b379d78918478f759c4ff8f74012
ripemd-160
d731d8c768a88e88ae756196bd08c27ee15bb4aa
Diameter
491793982
Circumference
1545016360.9309
Area
1.8995743709934E+17
Volume
6.2279949601064E+25
Surface area
7.5982974839734E+17
Circumference
1545016360.9309
Perimeter
983587964
Area
60465330182854081
Diagonal
347750859.61893
Surface area
362791981097124486
Volume
1.4868242751785E+25
Space diagonal
425906081.84031
Perimeter
737690973
Area
2.6182255993283E+16
Altitude
212953040.92015
Surface area
2.6182255993283E+16
Volume
1.7522392123525E+24
Height
115916953.20631