156989745 is an odd 9-digits composite number following 156989744
and preceding 156989746 . In scientific notation, it is written as 1.56989745 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 75254400 positive integers (up to 156989745) that are relatively prime to 156989745.
156989745 has 32 divisors, whose sum is 213840000
The reverse of 156989745 is 547989651
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred fifty-six million nine hundred eighty-nine thousand seven hundred forty-five
Scientific notation
1.56989745 × 10^8
Engineering notation
1.56989745 × 10^6
Prime Factorization
5 × 99 × 9 × 131 × 269
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
156989745
Product of the distinct prime numbers
The prime factorization of 156989745 is 5 × 99 × 9 × 131 × 269.
Since it has a total of 5 prime factors.
7 , 1 , 30 , 74 , 595 , 388 , 690 , 8735 , 72765 , 44868 , 190252 , 901583 , 7544657 , 4403226 , 68405290 , 20808841 , 74361954 , 494557048 , 2198245569 , 6312137682
n×2
313979490
n×3
470969235
n×4
627958980
n×5
784948725
n÷2
78494872.5
n÷3
52329915
n÷3
39247436.25
n÷5
31397949
n2
24645780035165025
n3
3.8691347230466E+24
n4
6.0741447354174E+32
n5
9.5357843310627E+40
2 √n
12529.554860409
3 √n
539.45732519019
4 √n
111.93549419379
5 √n
43.568665402161
1 , 5 , 9 , 45 , 99 , 131 , 269 , 495 , 655 , 891 , 1179 , 1345 , 2421 , 4455 , 5895 , 12105 , 12969 , 26631 , 35239 , 64845 , 116721 , 133155 , 176195 , 239679 , 317151 , 583605 , 1198395 , 1585755 , 3488661 , 17443305 , 31397949 , 156989745
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156989744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156989745 can be divided by 32 positive divisors.
The sum of these divisors (counting 156989745) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010110110111100100110001
3
Ternary
101221101220110000
4
Quaternary
21112313210301
5
Quinary
310142132440
6
Senary
23324500213
8
Octal
1126674461
10
Decimal
156989745
12
Duodecimal
446aa669
16
Hexadecimal
95b7931
20
Vigesimal
2913e75
36
Base36
2lgu29
md5
039f3e4d0fca032df50e3498a7d4f6b8
sha1
0a019e4decfb3e7c0cc09fac5fee63a28acd8b97
sha256
7e7dbfff785f91316a32d24bc0b34598c988a7cbc504bc6a59c455cbdca1dd82
sha512
e6d447aed7431a029c1bd67461ea61a21126f7ef86ee3739f939b09db1878ebc330be114760aabd637c2182344e00efacebcb00797486a4af508fa33859d6022
ripemd-160
457fa04a6793ff0e0bc18bec0c5e7ad94015b28a
Diameter
313979490
Circumference
986395659.16187
Area
7.7427001500464E+16
Volume
1.6206993628897E+25
Surface area
3.0970800600186E+17
Circumference
986395659.16187
Perimeter
627958980
Area
24645780035165025
Diagonal
222017026.53249
Surface area
147874680210990150
Volume
3.8691347230466E+24
Space diagonal
271914214.60728
Perimeter
470969235
Area
1.0671935803268E+16
Altitude
135957107.30364
Surface area
1.0671935803268E+16
Volume
4.5598189999844E+23
Height
74005675.510831