51356721 is an odd 8-digits composite number following 51356720
and preceding 51356722 . In scientific notation, it is written as 5.1356721 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 31435776 positive integers (up to 51356721) that are relatively prime to 51356721.
51356721 has 16 divisors, whose sum is 74135936
The reverse of 51356721 is 12765315
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
fifty-one million three hundred fifty-six thousand seven hundred twenty-one
Scientific notation
5.1356721 × 10^7
Engineering notation
5.1356721 × 10^6
Prime Factorization
3 × 13 × 193 × 6823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51356721
Product of the distinct prime numbers
The prime factorization of 51356721 is 3 × 13 × 193 × 6823.
Since it has a total of 4 prime factors.
10 , 7 , 74 , 89 , 848 , 893 , 7750 , 6764 , 42502 , 17038 , 463094 , 849448 , 8411027 , 4495009 , 12331742 , 54286561 , 257317124 , 428052716 , 500594660 , 751941037
n×2
102713442
n×3
154070163
n×4
205426884
n×5
256783605
n÷2
25678360.5
n÷3
17118907
n÷3
12839180.25
n÷5
10271344.2
n2
2637512791871841
n3
1.3545400858609E+23
n4
6.9564737272876E+30
n5
3.5726168035614E+38
2 √n
7166.3603732997
3 √n
371.70559288068
4 √n
84.65435826524
5 √n
34.843314221543
1 , 3 , 13 , 39 , 193 , 579 , 2509 , 6823 , 7527 , 20469 , 88699 , 266097 , 1316839 , 3950517 , 17118907 , 51356721
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51356720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51356721 can be divided by 16 positive divisors.
The sum of these divisors (counting 51356721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000011111010010000110001
3
Ternary
10120122012011210
4
Quaternary
3003322100301
5
Quinary
101121403341
6
Senary
5032430333
8
Octal
303722061
10
Decimal
51356721
12
Duodecimal
152483a9
16
Hexadecimal
30fa431
20
Vigesimal
g0jbg1
36
Base36
ukr3l
md5
9516b83a67fa62a96a8b9e9e5652512e
sha1
dba85561308ac1b2c2526bcde5e3fcfb64dd06ea
sha256
15872279e4b8d9c961074eb798fd02eaf1d03bb2488b23f6456bda0f971faaa8
sha512
3b60a465df7c807ca06a0a474cf822b36ba0c8d31d1c32277acc4cbd72eaa69ff7739ade09fd23a1ba342777f55b2ca18d363d0ab15137ed96e0d0d0bf024709
ripemd-160
58bdd224a4cd0e9d4bcc868416af5756c7e87fa2
Diameter
102713442
Circumference
322683794.81212
Area
8.2859908106937E+15
Volume
5.6738842436448E+23
Surface area
3.3143963242775E+16
Circumference
322683794.81212
Perimeter
205426884
Area
2637512791871841
Diagonal
72629371.357211
Surface area
15825076751231046
Volume
1.3545400858609E+23
Space diagonal
88952450.08214
Perimeter
154070163
Area
1.1420765402837E+15
Altitude
44476225.04107
Surface area
1.1420765402837E+15
Volume
1.5963408001688E+22
Height
24209790.452404