156931389 is an odd 9-digits composite number following 156931388
and preceding 156931390 . In scientific notation, it is written as 1.56931389 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 104521032 positive integers (up to 156931389) that are relatively prime to 156931389.
156931389 has 12 divisors, whose sum is 226895136
The reverse of 156931389 is 983139651
Previous prime number is 1123
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-six million nine hundred thirty-one thousand three hundred eighty-nine
Scientific notation
1.56931389 × 10^8
Engineering notation
1.56931389 × 10^6
Prime Factorization
3 × 3 × 1123 × 15527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
52310463
Product of the distinct prime numbers
The prime factorization of 156931389 is 3 × 3 × 1123 × 15527.
Since it has a total of 4 prime factors.
4 , 7 , 64 , 100 , 390 , 226 , 547 , 3858 , 27270 , 97125 , 435118 , 958102 , 3874643 , 336017 , 93739501 , 24631475 , 526367018 , 437998995 , 8388978595 , 6977947390
n×2
313862778
n×3
470794167
n×4
627725556
n×5
784656945
n÷2
78465694.5
n÷3
52310463
n÷3
39232847.25
n÷5
31386277.8
n2
24627460853469321
n3
3.8648216392781E+24
n4
6.0651182808916E+32
n5
9.5180743626962E+40
2 √n
12527.225909993
3 √n
539.39047480852
4 √n
111.92509061865
5 √n
43.565425864242
1 , 3 , 9 , 1123 , 3369 , 10107 , 15527 , 46581 , 139743 , 17436821 , 52310463 , 156931389
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
-156931388
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 156931389 can be divided by 12 positive divisors.
The sum of these divisors (counting 156931389) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010110101001010100111101
3
Ternary
101221021221101200
4
Quaternary
21112221110331
5
Quinary
310133301024
6
Senary
23323330113
8
Octal
1126512475
10
Decimal
156931389
12
Duodecimal
44680939
16
Hexadecimal
95a953d
20
Vigesimal
290g899
36
Base36
2lfl19
md5
6eb937d9a16421facb310ca43f4c341a
sha1
c1c25234b3d9cc78af09471e97586663d73857a9
sha256
fc975d08ab2f97bb4008cc57cec60eb24683862f3b86d09510049e722ea51edb
sha512
315c91423d7b7f9c3151dd50cbf4eb8e655a1abbef30a68f7f0f356f16ae4854d963a359b93313342675c1eaa68c25ef7b3bfff047b93097f44fc82edc60a795
ripemd-160
6f08e0d8c04db4f4262a1b41e204071712d8ffa2
Diameter
313862778
Circumference
986028997.60008
Area
7.7369450093829E+16
Volume
1.6188927025854E+25
Surface area
3.0947780037532E+17
Circumference
986028997.60008
Perimeter
627725556
Area
24627460853469321
Diagonal
221934498.68585
Surface area
147764765120815926
Volume
3.8648216392781E+24
Space diagonal
271813139.05036
Perimeter
470794167
Area
1.0664003364906E+16
Altitude
135906569.52518
Surface area
1.0664003364906E+16
Volume
4.5547359820167E+23
Height
73978166.228616