1986171057 is an odd 10-digits composite number following 1986171056
and preceding 1986171058 . In scientific notation, it is written as 1.986171057 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 1221189696 positive integers (up to 1986171057) that are relatively prime to 1986171057.
1986171057 has 16 divisors, whose sum is 2220115520
The reverse of 1986171057 is 7501716891
Previous prime number is 1789
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion nine hundred eighty-six million one hundred seventy-one thousand fifty-seven
Scientific notation
1.986171057 × 10^9
Engineering notation
1.986171057 × 10^9
Prime Factorization
27 × 13 × 1789 × 3163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1986171057
Product of the distinct prime numbers
The prime factorization of 1986171057 is 27 × 13 × 1789 × 3163.
Since it has a total of 4 prime factors.
5 , 4 , 100 , 5 , 634 , 828 , 6068 , 3393 , 67681 , 44943 , 111604 , 967008 , 6485744 , 3966748 , 55758663 , 8892899 , 815723690 , 792347699 , 1651300830 , 9482943212
n×2
3972342114
n×3
5958513171
n×4
7944684228
n×5
9930855285
n÷2
993085528.5
n÷3
662057019
n÷3
496542764.25
n÷5
397234211.4
n2
3944875467664497249
n3
7.8351974773446E+27
n4
1.5562042455381E+37
n5
3.0908878312683E+46
2 √n
44566.479073402
3 √n
1257.0104350328
4 √n
211.1077428078
5 √n
72.377458632299
1 , 13 , 27 , 351 , 1789 , 3163 , 23257 , 41119 , 48303 , 85401 , 627939 , 1110213 , 5658607 , 73561891 , 152782389 , 1986171057
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
-1986171056
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 1986171057 can be divided by 16 positive divisors.
The sum of these divisors (counting 1986171057) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110011000101001000010110001
3
Ternary
12010102022221111000
4
Quaternary
1312120221002301
5
Quinary
13031424433212
6
Senary
525030312213
8
Octal
16630510261
10
Decimal
1986171057
12
Duodecimal
4751b8669
16
Hexadecimal
766290b1
20
Vigesimal
1b0db7ch
36
Base36
wuije9
md5
4777a8c0102cef4e6cbe772dbc7251dc
sha1
5481cf5069222acfa7b7e1505340a9ee15a76f63
sha256
44baf5f1f5e2713bb1e23d4a0df11a2b84ba0edb8c7a73f9f525e83990579c89
sha512
9cfe6cd9d88b8a23c84287b78db35745348eef3bc0aa04d06ee2465410d933b978fac768372de7d820aea78554e6d6e6cfaae16f1b985f08f436ae0bf61f05f1
ripemd-160
ee6944f25c9dd0635d766855182b48dea23f96ec
Diameter
3972342114
Circumference
12479480802.888
Area
1.2393191788541E+19
Volume
3.2819998445668E+28
Surface area
4.9572767154166E+19
Circumference
12479480802.888
Perimeter
7944684228
Area
3944875467664497249
Diagonal
2808870046.0023
Surface area
2.3669252805987E+19
Volume
7.8351974773446E+27
Space diagonal
3440149183.2468
Perimeter
5958513171
Area
1.7081811848817E+18
Altitude
1720074591.6234
Surface area
1.7081811848817E+18
Volume
9.2338687802768E+26
Height
936290015.3341