51981490 is an even 8-digits composite number following 51981489
and preceding 51981491 . In scientific notation, it is written as 5.1981490 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 18902320 positive integers (up to 51981490) that are relatively prime to 51981490.
51981490 has 16 divisors, whose sum is 102072960
The reverse of 51981490 is 09418915
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
fifty-one million nine hundred eighty-one thousand four hundred ninety
Scientific notation
5.1981490 × 10^7
Engineering notation
5.1981490 × 10^6
Prime Factorization
2 × 5 × 11 × 472559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51981490
Product of the distinct prime numbers
The prime factorization of 51981490 is 2 × 5 × 11 × 472559.
Since it has a total of 4 prime factors.
5 , 9 , 92 , 87 , 288 , 425 , 5580 , 1065 , 15189 , 79593 , 950719 , 328412 , 4185721 , 1580816 , 98228947 , 93073391 , 790100613 , 186063215 , 3215614735 , 7437145344
n×2
103962980
n×3
155944470
n×4
207925960
n×5
259907450
n÷2
25990745
n÷3
17327163.333333
n÷3
12995372.5
n÷5
10396298
n2
2702075302620100
n3
1.4045790032239E+23
n4
7.3012109410295E+30
n5
3.7952782351902E+38
2 √n
7209.818999115
3 √n
373.20682274532
4 √n
84.910653036677
5 √n
34.927680428424
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 472559 , 945118 , 2362795 , 4725590 , 5198149 , 10396298 , 25990745 , 51981490
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
-51981489
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 51981490 can be divided by 16 positive divisors.
The sum of these divisors (counting 51981490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000110010010110010110010
3
Ternary
10121210221012101
4
Quaternary
3012102302302
5
Quinary
101301401430
6
Senary
5054051014
8
Octal
306226262
10
Decimal
51981490
12
Duodecimal
154a9a6a
16
Hexadecimal
3192cb2
20
Vigesimal
g4hdea
36
Base36
uy56a
md5
5206d4abcab566d66f9a58044c7ef6cc
sha1
29648249d90322adf34000a874b870d339127c95
sha256
db442b3448201a2cdb0264cadde1f77785a0f2fac8dedd2a28660d0c13baf6fb
sha512
2d354dfe6fb8407ec6e75f354f577461f1d494f62209bc710ae477c39435fbacd1e9af517cef048e05f9ea00c91f20fb973444ec77541610d68f2e622b788483
ripemd-160
e4b616af7c8f7a2ad4acb39e1a88f2002a15cb82
Diameter
103962980
Circumference
326609334.2133
Area
8.4888199201577E+15
Volume
5.8834867705531E+23
Surface area
3.3955279680631E+16
Circumference
326609334.2133
Perimeter
207925960
Area
2702075302620100
Diagonal
73512928.150361
Surface area
16212451815720600
Volume
1.4045790032239E+23
Space diagonal
90034581.733134
Perimeter
155944470
Area
1.1700329275038E+15
Altitude
45017290.866567
Surface area
1.1700329275038E+15
Volume
1.6553122298198E+22
Height
24504309.383454