47851921 is an odd 8-digits composite number following 47851920
and preceding 47851922 . In scientific notation, it is written as 4.7851921 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 44170992 positive integers (up to 47851921) that are relatively prime to 47851921.
47851921 has 4 divisors, whose sum is 51532852
The reverse of 47851921 is 12915874
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
forty-seven million eight hundred fifty-one thousand nine hundred twenty-one
Scientific notation
4.7851921 × 10^7
Engineering notation
4.7851921 × 10^6
Prime Factorization
13 × 3680917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
47851921
Product of the distinct prime numbers
The prime factorization of 47851921 is 13 × 3680917.
Since it has a total of 2 prime factors.
2 , 8 , 31 , 85 , 62 , 856 , 5854 , 1989 , 6441 , 21749 , 510476 , 176895 , 1417692 , 4323464 , 85114249 , 99416558 , 492559275 , 392590579 , 9384552356 , 5382193612
n×2
95703842
n×3
143555763
n×4
191407684
n×5
239259605
n÷2
23925960.5
n÷3
15950640.333333
n÷3
11962980.25
n÷5
9570384.2
n2
2289806343390241
n3
1.0957163224921E+23
n4
5.2432130902302E+30
n5
2.5089781857986E+38
2 √n
6917.5082941765
3 √n
363.05001499023
4 √n
83.171559406906
5 √n
34.354202828495
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
-47851920
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 47851921 can be divided by 4 positive divisors.
The sum of these divisors (counting 47851921) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110110100010100110010001
3
Ternary
10100001010111101
4
Quaternary
2312202212101
5
Quinary
44222230141
6
Senary
4425344401
8
Octal
266424621
10
Decimal
47851921
12
Duodecimal
14038101
16
Hexadecimal
2da2991
20
Vigesimal
ej19g1
36
Base36
shms1
md5
7c2efbd0412fb554cb42935488d6d23b
sha1
4c76f48c16b53e9c8f0cbf2968b8b70152540181
sha256
3b9816125ef41ecd4d8f0c37f4df533c11265a7680984c54b888905cf59efa93
sha512
6cf4db2e6c93ba8b06ad1edb104c9a57e4c4c945be48f8262faacfdb0e07a6582803f2c795e7f27d4a17a00e0cee5126f71a77656b51ecba1751c781a3002428
ripemd-160
202dbf9ae22744dd809a3a4a9ba33de522e89bdc
Diameter
95703842
Circumference
300662486.94752
Area
7.1936387865381E+15
Volume
4.5897257988794E+23
Surface area
2.8774555146152E+16
Circumference
300662486.94752
Perimeter
191407684
Area
2289806343390241
Diagonal
67672835.663806
Surface area
13738838060341446
Volume
1.0957163224921E+23
Space diagonal
82881958.411772
Perimeter
143555763
Area
9.9151523156135E+14
Altitude
41440979.205886
Surface area
9.9151523156135E+14
Volume
1.2913140698182E+22
Height
22557611.887935