157889968 is an even 9-digits composite number following 157889967
and preceding 157889969 . In scientific notation, it is written as 1.57889968 × 10^8.
The sum of its digits is 61. It has a total of 6 prime factors and 20 positive divisors.
There are 77455040 positive integers (up to 157889968) that are relatively prime to 157889968.
157889968 has 20 divisors, whose sum is 311685408
The reverse of 157889968 is 869988751
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
one hundred fifty-seven million eight hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
1.57889968 × 10^8
Engineering notation
1.57889968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 53 × 186191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19736246
Product of the distinct prime numbers
The prime factorization of 157889968 is 2 × 2 × 2 × 2 × 53 × 186191.
Since it has a total of 6 prime factors.
5 , 9 , 18 , 31 , 886 , 474 , 2763 , 3243 , 59593 , 10662 , 193263 , 880912 , 890667 , 8596177 , 9052162 , 28555927 , 566961012 , 953416108 , 7386184165 , 1335933669
n×2
315779936
n×3
473669904
n×4
631559872
n×5
789449840
n÷2
78944984
n÷3
52629989.333333
n÷3
39472492
n÷5
31577993.6
n2
24929241995041024
n3
3.9360772208613E+24
n4
6.2146710644732E+32
n5
9.8123421550019E+40
2 √n
12565.427489743
3 √n
540.48649344986
4 √n
112.0956176206
5 √n
43.618518161801
1 , 2 , 4 , 8 , 16 , 53 , 106 , 212 , 424 , 848 , 186191 , 372382 , 744764 , 1489528 , 2979056 , 9868123 , 19736246 , 39472492 , 78944984 , 157889968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157889967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157889968 can be divided by 20 positive divisors.
The sum of these divisors (counting 157889968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001011010010011010110110000
3
Ternary
102000002122022121
4
Quaternary
21122103112300
5
Quinary
310404434333
6
Senary
23400044024
8
Octal
1132232660
10
Decimal
157889968
12
Duodecimal
44a63614
16
Hexadecimal
96935b0
20
Vigesimal
296g4i8
36
Base36
2m04og
md5
b2924a01d9c8511b4280b16a69807432
sha1
a9522545445d2aa4f11e93e4b01e7dfd40ca998e
sha256
7be790c4ff70591b72e7f339dd5c4ef594e1bfe6c71d9a2a506a3295787d5e34
sha512
229935b678f5c0424432195ea14fa6267c263e1205aedfe208d6f3c9f819f677583ec9afe96c11ef754440f0fd96136bc938b8ac5e30ea0e0f6e7b15880998cc
ripemd-160
8561d7375af6c11f00410f31b0b02b166c2a78a2
Diameter
315779936
Circumference
992051927.08865
Area
7.8317523511183E+16
Volume
1.6487401708027E+25
Surface area
3.1327009404473E+17
Circumference
992051927.08865
Perimeter
631559872
Area
24929241995041024
Diagonal
223290134.10825
Surface area
149575451970246144
Volume
3.9360772208613E+24
Space diagonal
273473446.58142
Perimeter
473669904
Area
1.0794678432398E+16
Altitude
136736723.29071
Surface area
1.0794678432398E+16
Volume
4.6387114902415E+23
Height
74430044.702751