389912972 is an even 9-digits composite number following 389912971
and preceding 389912973 . In scientific notation, it is written as 3.89912972 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 192210480 positive integers (up to 389912972) that are relatively prime to 389912972.
389912972 has 12 divisors, whose sum is 691958736
The reverse of 389912972 is 279219983
Previous prime number is 71
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-nine million nine hundred twelve thousand nine hundred seventy-two
Scientific notation
3.89912972 × 10^8
Engineering notation
3.89912972 × 10^6
Prime Factorization
2 × 2 × 71 × 1372933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194956486
Product of the distinct prime numbers
The prime factorization of 389912972 is 2 × 2 × 71 × 1372933.
Since it has a total of 4 prime factors.
5 , 8 , 9 , 73 , 670 , 749 , 9281 , 1671 , 8060 , 7709 , 973954 , 478475 , 2504427 , 7245092 , 61074474 , 84448880 , 178953171 , 736401718 , 8058629569 , 2785509509
n×2
779825944
n×3
1169738916
n×4
1559651888
n×5
1949564860
n÷2
194956486
n÷3
129970990.66667
n÷3
97478243
n÷5
77982594.4
n2
152032125733872784
n3
5.9279297984372E+25
n4
2.311376725516E+34
n5
9.0123576845758E+42
2 √n
19746.214118154
3 √n
730.56000814437
4 √n
140.52122301686
5 √n
52.262903886738
1 , 2 , 4 , 71 , 142 , 284 , 1372933 , 2745866 , 5491732 , 97478243 , 194956486 , 389912972
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
-389912971
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 389912972 can be divided by 12 positive divisors.
The sum of these divisors (counting 389912972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001111011001100110001100
3
Ternary
1000011200122001012
4
Quaternary
113033121212030
5
Quinary
1244304203342
6
Senary
102405104352
8
Octal
2717314614
10
Decimal
389912972
12
Duodecimal
aa6b80b8
16
Hexadecimal
173d998c
20
Vigesimal
61gj28c
36
Base36
6g56rw
md5
e3a3e70e82da64e2b210e11f767e785d
sha1
be05d27570a9d308d4cb967679f68163e687ae09
sha256
1221d9b7335a9fe933a12721cd702ab70f84a1aa9d5adc517bbe26bb8893419b
sha512
93100e6ab286eba104d1aaf539b07b1ce137152a5b99b1ee9c0a33971cafcf0529e80d3e675c57dd9279ab68299694619f2b152017f5d12087b0b972ada4c8dd
ripemd-160
d950f1f8e7a099d18f7ebe4f7c2e24448f66481d
Diameter
779825944
Circumference
2449895456.7491
Area
4.7762300931517E+17
Volume
2.4830854274355E+26
Surface area
1.9104920372607E+18
Circumference
2449895456.7491
Perimeter
1559651888
Area
152032125733872784
Diagonal
551420213.1476
Surface area
912192754403236704
Volume
5.9279297984372E+25
Space diagonal
675349078.03418
Perimeter
1169738916
Area
6.5831841538442E+16
Altitude
337674539.01709
Surface area
6.5831841538442E+16
Volume
6.9861322647879E+24
Height
183806737.71587