156912989 is an odd 9-digits composite number following 156912988
and preceding 156912990 . In scientific notation, it is written as 1.56912989 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 154763424 positive integers (up to 156912989) that are relatively prime to 156912989.
156912989 has 4 divisors, whose sum is 159062556
The reverse of 156912989 is 989219651
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-six million nine hundred twelve thousand nine hundred eighty-nine
Scientific notation
1.56912989 × 10^8
Engineering notation
1.56912989 × 10^6
Prime Factorization
73 × 2149493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156912989
Product of the distinct prime numbers
The prime factorization of 156912989 is 73 × 2149493.
Since it has a total of 2 prime factors.
9 , 2 , 93 , 3 , 919 , 380 , 6294 , 1718 , 68832 , 86296 , 428800 , 72620 , 9398711 , 1600245 , 88874696 , 16989236 , 871825499 , 434528624 , 4580006565 , 1148728195
n×2
313825978
n×3
470738967
n×4
627651956
n×5
784564945
n÷2
78456494.5
n÷3
52304329.666667
n÷3
39228247.25
n÷5
31382597.8
n2
24621686116914121
n3
3.8634623628248E+24
n4
6.0622742723984E+32
n5
9.5124957621984E+40
2 √n
12526.491488042
3 √n
539.36939304213
4 √n
111.92180970679
5 √n
43.564404218492
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156912988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156912989 can be divided by 4 positive divisors.
The sum of these divisors (counting 156912989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110100100110101011101
3
Ternary
101221021000011012
4
Quaternary
21112210311131
5
Quinary
310132203424
6
Senary
23323105005
8
Octal
1126446535
10
Decimal
156912989
12
Duodecimal
44672165
16
Hexadecimal
95a4d5d
20
Vigesimal
290e299
36
Base36
2lf6u5
md5
07cf2c22ed2cd8f93b70efb18b330c0a
sha1
d20322e45b98e675cf586897a4602779575efe9a
sha256
01299ea13923628bd02efc70351bda8f4acce9f99ea42325278f0ff05b9c09f0
sha512
66572001db8ec7930c59cdaa01f0d7859a9a727abe19db4999bb65fd64e37780760beda94416e6841a907bc63e81e4261f8fc8b777aa9dbae7fbbebb998616d2
ripemd-160
dbc5741e979e24fe65fc2749180cc5f9c7ea81ac
Diameter
313825978
Circumference
985913386.99043
Area
7.7351308223891E+16
Volume
1.6183233301961E+25
Surface area
3.0940523289556E+17
Circumference
985913386.99043
Perimeter
627651956
Area
24621686116914121
Diagonal
221908477.1563
Surface area
147730116701484726
Volume
3.8634623628248E+24
Space diagonal
271781269.3155
Perimeter
470738967
Area
1.0661502830627E+16
Altitude
135890634.65775
Surface area
1.0661502830627E+16
Volume
4.553134059354E+23
Height
73969492.385433