1387258972 is an even 10-digits composite number following 1387258971
and preceding 1387258973 . In scientific notation, it is written as 1.387258972 × 10^9.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 630572240 positive integers (up to 1387258972) that are relatively prime to 1387258972.
1387258972 has 12 divisors, whose sum is 2648403576
The reverse of 1387258972 is 2798527831
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion three hundred eighty-seven million two hundred fifty-eight thousand nine hundred seventy-two
Scientific notation
1.387258972 × 10^9
Engineering notation
1.387258972 × 10^9
Prime Factorization
2 × 2 × 11 × 31528613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
693629486
Product of the distinct prime numbers
The prime factorization of 1387258972 is 2 × 2 × 11 × 31528613.
Since it has a total of 4 prime factors.
3 , 5 , 96 , 56 , 220 , 765 , 480 , 3750 , 46249 , 76612 , 32234 , 879206 , 6408185 , 4860053 , 60553843 , 29698829 , 872341421 , 567152937 , 5391395911 , 6849328298
n×2
2774517944
n×3
4161776916
n×4
5549035888
n×5
6936294860
n÷2
693629486
n÷3
462419657.33333
n÷3
346814743
n÷5
277451794.4
n2
1924487455394496784
n3
2.6697624889975E+27
n4
3.7036519659708E+36
n5
5.1379244189584E+45
2 √n
37245.925575826
3 √n
1115.2849646006
4 √n
192.99203500618
5 √n
67.3645648044
1 , 2 , 4 , 11 , 22 , 44 , 31528613 , 63057226 , 126114452 , 346814743 , 693629486 , 1387258972
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
-1387258971
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 1387258972 can be divided by 12 positive divisors.
The sum of these divisors (counting 1387258972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010101011111110010001011100
3
Ternary
10120200101001112221
4
Quaternary
1102223332101130
5
Quinary
10320114241342
6
Senary
345353435124
8
Octal
12253762134
10
Decimal
1387258972
12
Duodecimal
32870baa4
16
Hexadecimal
52afe45c
20
Vigesimal
11da778c
36
Base36
mxxrvg
md5
098779a385060b69c974fe0c5f88d83f
sha1
fbd277875d2287e4707c5db921a81c77ebe8d9b5
sha256
1ad3c32840f1627118d8abb8d10d77a01b63c5d4597ba3578a277ebf69fae92a
sha512
10382adcdfe8d92fe1651979b65a48aac69a243e612909160287c6742527cab915e2608e8301f50af91c11209b8ea651de915099d0070dc8286af9a23eb84ed1
ripemd-160
2c1ab7c014990b42937fa61685482563b8cc7293
Diameter
2774517944
Circumference
8716405190.1235
Area
6.0459556517931E+18
Volume
1.1183074963019E+28
Surface area
2.4183822607172E+19
Circumference
8716405190.1235
Perimeter
5549035888
Area
1924487455394496784
Diagonal
1961880452.7262
Surface area
1.1546924732367E+19
Volume
2.6697624889975E+27
Space diagonal
2402803022.7598
Perimeter
4161776916
Area
8.3332751281805E+17
Altitude
1201401511.3799
Surface area
8.3332751281805E+17
Volume
3.1463452668793E+26
Height
653960150.90872