157068945 is an odd 9-digits composite number following 157068944
and preceding 157068946 . In scientific notation, it is written as 1.57068945 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 74705280 positive integers (up to 157068945) that are relatively prime to 157068945.
157068945 has 16 divisors, whose sum is 175903488
The reverse of 157068945 is 549860751
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-seven million sixty-eight thousand nine hundred forty-five
Scientific notation
1.57068945 × 10^8
Engineering notation
1.57068945 × 10^6
Prime Factorization
15 × 33 × 53 × 5987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157068945
Product of the distinct prime numbers
The prime factorization of 157068945 is 15 × 33 × 53 × 5987.
Since it has a total of 4 prime factors.
7 , 1 , 89 , 12 , 327 , 772 , 2361 , 9842 , 78553 , 35322 , 270815 , 324122 , 4296546 , 1954792 , 94853948 , 47561883 , 216584741 , 419126058 , 8224914272 , 4295694030
n×2
314137890
n×3
471206835
n×4
628275780
n×5
785344725
n÷2
78534472.5
n÷3
52356315
n÷3
39267236.25
n÷5
31413789
n2
24670653483413025
n3
3.8749935151003E+24
n4
6.0864114329864E+32
n5
9.5598622261511E+40
2 √n
12532.714989179
3 √n
539.54802716006
4 √n
111.94960915153
5 √n
43.573060520051
1 , 15 , 33 , 53 , 495 , 795 , 1749 , 5987 , 26235 , 89805 , 197571 , 317311 , 2963565 , 4759665 , 10471263 , 157068945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157068944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157068945 can be divided by 16 positive divisors.
The sum of these divisors (counting 157068945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111001010111010010001
3
Ternary
101221112221002100
4
Quaternary
21113022322101
5
Quinary
310202201240
6
Senary
23330311013
8
Octal
1127127221
10
Decimal
157068945
12
Duodecimal
44728469
16
Hexadecimal
95cae91
20
Vigesimal
291dc75
36
Base36
2lij69
md5
71c05b5390d256e5748f4218ed6dbd5b
sha1
1bf66c7912b4e131a62f008a828d58ff34f2aad8
sha256
f2421d196991f2983e461459e5bd882dd83a954c4462c3122b47c709b0ded20e
sha512
d56e84644a72dc4956ac3fce5958b3ca2cecb4c83f4eb4e066d273927e1b4644a08976768251e1584c8457b40e0f7a5b4dd3e780f6679f3f9bc706b2f0c29dd9
ripemd-160
e21116840f17a7c36fec1a498e3a1904f31c3bb4
Diameter
314137890
Circumference
986893287.4382
Area
7.750514374275E+16
Volume
1.6231534879663E+25
Surface area
3.10020574971E+17
Circumference
986893287.4382
Perimeter
628275780
Area
24670653483413025
Diagonal
222129032.24663
Surface area
148023920900478150
Volume
3.8749935151003E+24
Space diagonal
272051393.03124
Perimeter
471206835
Area
1.0682706322299E+16
Altitude
136025696.51562
Surface area
1.0682706322299E+16
Volume
4.5667236526355E+23
Height
74043010.748878