1985643159 is an odd 10-digits composite number following 1985643158
and preceding 1985643160 . In scientific notation, it is written as 1.985643159 × 10^9.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 1323762104 positive integers (up to 1985643159) that are relatively prime to 1985643159.
1985643159 has 4 divisors, whose sum is 2647524216
The reverse of 1985643159 is 9513465891
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion nine hundred eighty-five million six hundred forty-three thousand one hundred fifty-nine
Scientific notation
1.985643159 × 10^9
Engineering notation
1.985643159 × 10^9
Prime Factorization
3 × 661881053
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1985643159
Product of the distinct prime numbers
The prime factorization of 1985643159 is 3 × 661881053.
Since it has a total of 2 prime factors.
10 , 6 , 47 , 79 , 102 , 319 , 3061 , 4752 , 53380 , 51432 , 617288 , 567679 , 7207808 , 4796342 , 45594652 , 10832174 , 529875669 , 957772726 , 7501526358 , 5101607932
n×2
3971286318
n×3
5956929477
n×4
7942572636
n×5
9928215795
n÷2
992821579.5
n÷3
661881053
n÷3
496410789.75
n÷5
397128631.8
n2
3942778754883499281
n3
7.828951662085E+27
n4
1.5545504309961E+37
n5
3.0867824286278E+46
2 √n
44560.556089439
3 √n
1256.8990595816
4 √n
211.09371399793
5 √n
72.373610828935
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
-1985643158
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 1985643159 can be divided by 4 positive divisors.
The sum of these divisors (counting 1985643159) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110010110101000001010010111
3
Ternary
12010101100010100020
4
Quaternary
1312112220022113
5
Quinary
13031311040114
6
Senary
525011120223
8
Octal
16626501227
10
Decimal
1985643159
12
Duodecimal
474ba3073
16
Hexadecimal
765a8297
20
Vigesimal
1b0a57hj
36
Base36
wu782f
md5
2649ac214ca7802921fa07aeab3f12e1
sha1
3a1cce8bef4c6ec7de399b063debccfbf0fe5246
sha256
f206fbc4033774d9e23456959bb58a594a5352991cc6ba89d524b4be8b5db811
sha512
69c87662d7d385b7c993369ad0e8689b8415d7d9297b35739a970d841ab3370b61b233ee5380bc4a04409ddbd16e32f3fb008f74a5f9b5551972dbb18dee6cf2
ripemd-160
f0e23c0f386cd24b9d31fb7fe77bb3908998ab91
Diameter
3971286318
Circumference
12476163921.93
Area
1.2386604771072E+19
Volume
3.2793836035888E+28
Surface area
4.9546419084288E+19
Circumference
12476163921.93
Perimeter
7942572636
Area
3942778754883499281
Diagonal
2808123485.4912
Surface area
2.3656672529301E+19
Volume
7.828951662085E+27
Space diagonal
3439234837.0896
Perimeter
5956929477
Area
1.7072732816153E+18
Altitude
1719617418.5448
Surface area
1.7072732816153E+18
Volume
9.2265080164033E+26
Height
936041161.83039