245642021 is an odd 9-digits composite number following 245642020
and preceding 245642022 . In scientific notation, it is written as 2.45642021 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 245561292 positive integers (up to 245642021) that are relatively prime to 245642021.
245642021 has 4 divisors, whose sum is 245722752
The reverse of 245642021 is 120246542
Previous prime number is 3167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred forty-five million six hundred forty-two thousand twenty-one
Scientific notation
2.45642021 × 10^8
Engineering notation
2.45642021 × 10^6
Prime Factorization
3167 × 77563
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245642021
Product of the distinct prime numbers
The prime factorization of 245642021 is 3167 × 77563.
Since it has a total of 2 prime factors.
3 , 9 , 98 , 58 , 115 , 903 , 1493 , 7959 , 62394 , 24788 , 749721 , 824170 , 9141819 , 9735730 , 45147513 , 65260817 , 660209309 , 477635591 , 6294155599 , 8109203228
n×2
491284042
n×3
736926063
n×4
982568084
n×5
1228210105
n÷2
122821010.5
n÷3
81880673.666667
n÷3
61410505.25
n÷5
49128404.2
n2
60340002480964441
n3
1.4822040156569E+25
n4
3.6409158994028E+33
n5
8.9436193982034E+41
2 √n
15672.97103296
3 √n
626.27857386792
4 √n
125.19173707941
5 √n
47.649739682833
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
-245642020
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 245642021 can be divided by 4 positive divisors.
The sum of these divisors (counting 245642021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101001000011001100100101
3
Ternary
122010012220111122
4
Quaternary
32221003030211
5
Quinary
1000341021041
6
Senary
40212543325
8
Octal
1651031445
10
Decimal
245642021
12
Duodecimal
6a321b45
16
Hexadecimal
ea43325
20
Vigesimal
3gf5511
36
Base36
428ylh
md5
4ddc94d3f8f460f0d19cae6746450c56
sha1
849dcfa2c662c06920a4c24d01e270694c638f48
sha256
990239898b26fc45b1286ac5cd1440a4f0d0cbe7f3faad79a374c8487eafdfaa
sha512
555ac20876b7de0f36dce8a0a124388d2c50249adb8b1590f108b586210109fab01d4e95c4cf57d3d7f1fbb6d18d9a7b2f3c36798e509d8e46ae421a69702053
ripemd-160
fae03cfca45204374f589352ff38fc0a16fd15de
Diameter
491284042
Circumference
1543414337.1731
Area
1.8956370851179E+17
Volume
6.2086416622787E+25
Surface area
7.5825483404715E+17
Circumference
1543414337.1731
Perimeter
982568084
Area
60340002480964441
Diagonal
347390277.58694
Surface area
362040014885786646
Volume
1.4822040156569E+25
Space diagonal
425464460.8459
Perimeter
736926063
Area
2.6127987506466E+16
Altitude
212732230.42295
Surface area
2.6127987506466E+16
Volume
1.7467941842882E+24
Height
115796759.19565