51981870 is an even 8-digits composite number following 51981869
and preceding 51981871 . In scientific notation, it is written as 5.1981870 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 13599872 positive integers (up to 51981870) that are relatively prime to 51981870.
51981870 has 32 divisors, whose sum is 127114272
The reverse of 51981870 is 07818915
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
fifty-one million nine hundred eighty-one thousand eight hundred seventy
Scientific notation
5.1981870 × 10^7
Engineering notation
5.1981870 × 10^6
Prime Factorization
2 × 5 × 3 × 53 × 32693
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
51981870
Product of the distinct prime numbers
The prime factorization of 51981870 is 2 × 5 × 3 × 53 × 32693.
Since it has a total of 5 prime factors.
6 , 9 , 72 , 39 , 396 , 542 , 1886 , 4438 , 63788 , 38921 , 568396 , 617765 , 4534112 , 8625081 , 35341728 , 14101173 , 622969873 , 560322699 , 6827433174 , 1008538047
n×2
103963740
n×3
155945610
n×4
207927480
n×5
259909350
n÷2
25990935
n÷3
17327290
n÷3
12995467.5
n÷5
10396374
n2
2702114808696900
n3
1.4046098071076E+23
n4
7.3014244393791E+30
n5
3.7954169602263E+38
2 √n
7209.8453520169
3 √n
373.20773216037
4 √n
84.910808216722
5 √n
34.927731494601
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 53 , 106 , 159 , 265 , 318 , 530 , 795 , 1590 , 32693 , 65386 , 98079 , 163465 , 196158 , 326930 , 490395 , 980790 , 1732729 , 3465458 , 5198187 , 8663645 , 10396374 , 17327290 , 25990935 , 51981870
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51981869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51981870 can be divided by 32 positive divisors.
The sum of these divisors (counting 51981870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11000110010010111000101110
3
Ternary
10121210221201110
4
Quaternary
3012102320232
5
Quinary
101301404440
6
Senary
5054052450
8
Octal
306227056
10
Decimal
51981870
12
Duodecimal
154aa126
16
Hexadecimal
3192e2e
20
Vigesimal
g4heda
36
Base36
uy5gu
md5
cb5d07f79c7e76392beef69a78ce975f
sha1
c405941e06d0bbd6d6ea5193c6a7f7d4e14e2181
sha256
b5362e722c3adf81eb7ae84dad7f44ac6d8830d742df26e2f1642f36fc6b9061
sha512
e8a863de39e26411520ccaa3b6c5e844f225f811258e8c1e45b8ccc380a22c4cc6e5e4230e846326b03fe58f1146942957ae31acf2400d575988e798102c58c2
ripemd-160
98f30b648ea5ad3e6daa9aefc291a31d6a434e25
Diameter
103963740
Circumference
326611721.82372
Area
8.4889440321584E+15
Volume
5.8836158015591E+23
Surface area
3.3955776128633E+16
Circumference
326611721.82372
Perimeter
207927480
Area
2702114808696900
Diagonal
73513465.551515
Surface area
16212688852181400
Volume
1.4046098071076E+23
Space diagonal
90035239.91244
Perimeter
155945610
Area
1.1700500341368E+15
Altitude
45017619.95622
Surface area
1.1700500341368E+15
Volume
1.6553485325448E+22
Height
24504488.517172