245129871 is an odd 9-digits composite number following 245129870
and preceding 245129872 . In scientific notation, it is written as 2.45129871 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 140074200 positive integers (up to 245129871) that are relatively prime to 245129871.
245129871 has 4 divisors, whose sum is 256802744
The reverse of 245129871 is 178921542
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred forty-five million one hundred twenty-nine thousand eight hundred seventy-one
Scientific notation
2.45129871 × 10^8
Engineering notation
2.45129871 × 10^6
Prime Factorization
21 × 11672851
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245129871
Product of the distinct prime numbers
The prime factorization of 245129871 is 21 × 11672851.
Since it has a total of 2 prime factors.
1 , 10 , 85 , 25 , 682 , 607 , 9498 , 4190 , 44848 , 23726 , 305037 , 110193 , 3411036 , 2688025 , 2959170 , 1557413 , 75935626 , 276857030 , 2817252584 , 4712189246
n×2
490259742
n×3
735389613
n×4
980519484
n×5
1225649355
n÷2
122564935.5
n÷3
81709957
n÷3
61282467.75
n÷5
49025974.2
n2
60088653656476641
n3
1.4729523919376E+25
n4
3.610646298248E+33
n5
8.8507726131616E+41
2 √n
15656.623869788
3 √n
625.8430189858
4 √n
125.12643153941
5 √n
47.629853678137
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
-245129870
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 245129871 can be divided by 4 positive divisors.
The sum of these divisors (counting 245129871) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100111000110001010001111
3
Ternary
122002020212222010
4
Quaternary
32213012022033
5
Quinary
1000223123441
6
Senary
40153552303
8
Octal
1647061217
10
Decimal
245129871
12
Duodecimal
6a115693
16
Hexadecimal
e9c628f
20
Vigesimal
3gc14db
36
Base36
41xzf3
md5
222678c65a862e1d726264bef6d21e7f
sha1
343e51076edc0a38bcf441a0db696b9aac3822d4
sha256
dd5fe9738c0aafd2182ace4e030f537fcb34ee59a847bd117863ca22590e3177
sha512
74edb12d700313e6df501f59615761f25ede68ade6eff176f33e7b6848784fa091e368ac3808715d5588fc1a93c4f51e825b48c2bfe3e1697893182b510dafac
ripemd-160
9d72f8d76f1b2d615162031bd582077f3d1b4e2b
Diameter
490259742
Circumference
1540196403.818
Area
1.8877407289129E+17
Volume
6.1698885514648E+25
Surface area
7.5509629156515E+17
Circumference
1540196403.818
Perimeter
980519484
Area
60088653656476641
Diagonal
346665988.11097
Surface area
360531921938859846
Volume
1.4729523919376E+25
Space diagonal
424577391.0248
Perimeter
735389613
Area
2.6019150272857E+16
Altitude
212288695.5124
Surface area
2.6019150272857E+16
Volume
1.7358910411733E+24
Height
115555329.37032