389920861 is an odd 9-digits composite number following 389920860
and preceding 389920862 . In scientific notation, it is written as 3.89920861 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 343450800 positive integers (up to 389920861) that are relatively prime to 389920861.
389920861 has 16 divisors, whose sum is 438755328
The reverse of 389920861 is 168029983
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred eighty-nine million nine hundred twenty thousand eight hundred sixty-one
Scientific notation
3.89920861 × 10^8
Engineering notation
3.89920861 × 10^6
Prime Factorization
11 × 43 × 127 × 6491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389920861
Product of the distinct prime numbers
The prime factorization of 389920861 is 11 × 43 × 127 × 6491.
Since it has a total of 4 prime factors.
3 , 1 , 56 , 45 , 841 , 451 , 7213 , 4022 , 76293 , 90066 , 291123 , 585900 , 5625545 , 3178165 , 87013466 , 84793336 , 239251578 , 148196799 , 6371936650 , 3239224382
n×2
779841722
n×3
1169762583
n×4
1559683444
n×5
1949604305
n÷2
194960430.5
n÷3
129973620.33333
n÷3
97480215.25
n÷5
77984172.2
n2
152038277842981321
n3
5.9282896201492E+25
n4
2.311563792946E+34
n5
9.0132694440191E+42
2 √n
19746.413876955
3 √n
730.56493518318
4 √n
140.52193379311
5 √n
52.263115369167
1 , 11 , 43 , 127 , 473 , 1397 , 5461 , 6491 , 60071 , 71401 , 279113 , 824357 , 3070243 , 9067927 , 35447351 , 389920861
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
-389920860
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 389920861 can be divided by 16 positive divisors.
The sum of these divisors (counting 389920861) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001111011011100001011101
3
Ternary
1000011201000212101
4
Quaternary
113033123201131
5
Quinary
1244304431421
6
Senary
102405205101
8
Octal
2717334135
10
Decimal
389920861
12
Duodecimal
aa700791
16
Hexadecimal
173db85d
20
Vigesimal
61h0231
36
Base36
6g5cv1
md5
6260ed043e178d600a0759b65b5aa442
sha1
07774ee38c668502fb9dc30a0bbecb363c5e8f89
sha256
6d042f6dc6175897029ec2b2bbb092f8841f1d44bc30f61266e1c0d8aaa70b46
sha512
4ff4aff971136c7b8e6f52ea6b7daea00081d4badb0251c8ea82ce2d45d9e47281a82696ba6a5ce0fa3d720f6bd64a4941adc129ed798e6094a9f0819d2eea84
ripemd-160
5808c59503f342f970916a44717231f5e8c32a12
Diameter
779841722
Circumference
2449945024.798
Area
4.7764233673595E+17
Volume
2.4832361492018E+26
Surface area
1.9105693469438E+18
Circumference
2449945024.798
Perimeter
1559683444
Area
152038277842981321
Diagonal
551431369.87839
Surface area
912229667057887926
Volume
5.9282896201492E+25
Space diagonal
675362742.183
Perimeter
1169762583
Area
6.5834505479829E+16
Altitude
337681371.0915
Surface area
6.5834505479829E+16
Volume
6.9865563187423E+24
Height
183810456.62613