245016987 is an odd 9-digits composite number following 245016986
and preceding 245016988 . In scientific notation, it is written as 2.45016987 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 163215360 positive integers (up to 245016987) that are relatively prime to 245016987.
245016987 has 8 divisors, whose sum is 326947920
The reverse of 245016987 is 789610542
Previous prime number is 1289
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred forty-five million sixteen thousand nine hundred eighty-seven
Scientific notation
2.45016987 × 10^8
Engineering notation
2.45016987 × 10^6
Prime Factorization
3 × 1289 × 63361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
245016987
Product of the distinct prime numbers
The prime factorization of 245016987 is 3 × 1289 × 63361.
Since it has a total of 3 prime factors.
10 , 7 , 94 , 57 , 223 , 533 , 2516 , 498 , 25351 , 77187 , 70741 , 382164 , 838036 , 562692 , 1652686 , 21684082 , 399434229 , 201226418 , 8458803749 , 6413892756
n×2
490033974
n×3
735050961
n×4
980067948
n×5
1225084935
n÷2
122508493.5
n÷3
81672329
n÷3
61254246.75
n÷5
49003397.4
n2
60033323918558169
n3
1.470918414612E+25
n4
3.6039999807105E+33
n5
8.8304121642175E+41
2 √n
15653.018462904
3 √n
625.7469358899
4 √n
125.11202365442
5 √n
47.625466094488
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
-245016986
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 245016987 can be divided by 8 positive divisors.
The sum of these divisors (counting 245016987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100110101010100110011011
3
Ternary
122002001011010020
4
Quaternary
32212222212123
5
Quinary
1000211020422
6
Senary
40151321523
8
Octal
1646524633
10
Decimal
245016987
12
Duodecimal
6a0802a3
16
Hexadecimal
e9aa99b
20
Vigesimal
3gb7297
36
Base36
41vkbf
md5
ac4ee4dec2e29edfefe716d0968d2612
sha1
3a21544d32ce3f671e8b83f0795356058ae0de38
sha256
68e404849dc855825adcb7971d3d62e007567b264246118b315b55e251fd4904
sha512
9e9fb831b545f04ca4efd66425f9623c061ff282846072531d16717477cc226048a4b3dade80dfc649f11968942c2525e1fcef6698eb13266edc58454d5abcc8
ripemd-160
50576c51da5dfc0d06df9b898ad46d94f7fb4523
Diameter
490033974
Circumference
1539487132.7278
Area
1.8860024939312E+17
Volume
6.1613686471667E+25
Surface area
7.5440099757248E+17
Circumference
1539487132.7278
Perimeter
980067948
Area
60033323918558169
Diagonal
346506346.02719
Surface area
360199943511349014
Volume
1.470918414612E+25
Space diagonal
424381870.20144
Perimeter
735050961
Area
2.5995191793546E+16
Altitude
212190935.10072
Surface area
2.5995191793546E+16
Volume
1.7334939759072E+24
Height
115502115.3424