1985643164 is an even 10-digits composite number following 1985643163
and preceding 1985643165 . In scientific notation, it is written as 1.985643164 × 10^9.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 969732624 positive integers (up to 1985643164) that are relatively prime to 1985643164.
1985643164 has 12 divisors, whose sum is 3555686904
The reverse of 1985643164 is 4613465891
Previous prime number is 43
Is Prime? no
Number parity even
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred eighty-five million six hundred forty-three thousand one hundred sixty-four
Scientific notation
1.985643164 × 10^9
Engineering notation
1.985643164 × 10^9
Prime Factorization
2 × 2 × 43 × 11544437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
992821582
Product of the distinct prime numbers
The prime factorization of 1985643164 is 2 × 2 × 43 × 11544437.
Since it has a total of 4 prime factors.
10 , 4 , 69 , 14 , 81 , 269 , 2703 , 5766 , 23490 , 70787 , 107694 , 411487 , 7490691 , 8382973 , 14999906 , 76559172 , 15626100 , 852710452 , 4442649640 , 5161460801
n×2
3971286328
n×3
5956929492
n×4
7942572656
n×5
9928215820
n÷2
992821582
n÷3
661881054.66667
n÷3
496410791
n÷5
397128632.8
n2
3942778774739930896
n3
7.8289517212266E+27
n4
1.554550446654E+37
n5
3.0867824674916E+46
2 √n
44560.556145542
3 √n
1256.8990606366
4 √n
211.09371413081
5 √n
72.373610865384
1 , 2 , 4 , 43 , 86 , 172 , 11544437 , 23088874 , 46177748 , 496410791 , 992821582 , 1985643164
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1985643163
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1985643164 can be divided by 12 positive divisors.
The sum of these divisors (counting 1985643164) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010110101000001010011100
3
Ternary
12010101100010100102
4
Quaternary
1312112220022130
5
Quinary
13031311040124
6
Senary
525011120232
8
Octal
16626501234
10
Decimal
1985643164
12
Duodecimal
474ba3078
16
Hexadecimal
765a829c
20
Vigesimal
1b0a57i4
36
Base36
wu782k
md5
fc54b7dc348af540129a9eb5d2ffc23c
sha1
e6990fc7ee577dbc5d36307853337917f9df638a
sha256
5d9005644a4b48071ca096d14df27729c9d738d41f1315a5b198ea7916b74806
sha512
dc4936a97a99d32e674f981c1375933d74b92e8d21018ff7d2d198087e3f8bb5bac6d5325a5e349e677785dedfc9680225a921feced2b7af6d982641a1f5df22
ripemd-160
1006bb1b0aad89d55f26074829272d39c255de6a
Diameter
3971286328
Circumference
12476163953.346
Area
1.2386604833453E+19
Volume
3.279383628362E+28
Surface area
4.9546419333811E+19
Circumference
12476163953.346
Perimeter
7942572656
Area
3942778774739930896
Diagonal
2808123492.5622
Surface area
2.365667264844E+19
Volume
7.8289517212266E+27
Space diagonal
3439234845.7498
Perimeter
5956929492
Area
1.7072732902134E+18
Altitude
1719617422.8749
Surface area
1.7072732902134E+18
Volume
9.2265080861024E+26
Height
936041164.18741