157066921 is an odd 9-digits composite number following 157066920
and preceding 157066922 . In scientific notation, it is written as 1.57066921 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 142788100 positive integers (up to 157066921) that are relatively prime to 157066921.
157066921 has 4 divisors, whose sum is 171345744
The reverse of 157066921 is 129660751
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-seven million sixty-six thousand nine hundred twenty-one
Scientific notation
1.57066921 × 10^8
Engineering notation
1.57066921 × 10^6
Prime Factorization
11 × 14278811
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157066921
Product of the distinct prime numbers
The prime factorization of 157066921 is 11 × 14278811.
Since it has a total of 2 prime factors.
1 , 9 , 21 , 18 , 734 , 403 , 4304 , 1681 , 79658 , 23783 , 576802 , 192445 , 6409994 , 1308500 , 59676800 , 34069551 , 751994549 , 526542467 , 1865548810 , 7504472573
n×2
314133842
n×3
471200763
n×4
628267684
n×5
785334605
n÷2
78533460.5
n÷3
52355640.333333
n÷3
39266730.25
n÷5
31413384.2
n2
24670017672420241
n3
3.8748437168226E+24
n4
6.0860977195753E+32
n5
9.5592462971881E+40
2 √n
12532.634240255
3 √n
539.54570960052
4 √n
111.94924850241
5 √n
43.572948222449
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
-157066920
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 157066921 can be divided by 4 positive divisors.
The sum of these divisors (counting 157066921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111001010011010101001
3
Ternary
101221112211022101
4
Quaternary
21113022122221
5
Quinary
310202120141
6
Senary
23330253401
8
Octal
1127123251
10
Decimal
157066921
12
Duodecimal
44727261
16
Hexadecimal
95ca6a9
20
Vigesimal
291d761
36
Base36
2lihm1
md5
a06c852110a5097b55790a6ce438da97
sha1
6883287ef1fb46b55e3b752e320a9285d620f1a5
sha256
a95a22521fce7204d069922cefb231f2bfb936d3942663caac28a69c44a8a3be
sha512
370800c74c13a7e72c469a91fcabaa86c84a8c90960b946c62cda1cf9159a4c762da32a928996002db307229b405e8ed61a0736510d553f1bff4d45dda30a8c4
ripemd-160
a958309118cd54176396d5f92ce815411afaacd3
Diameter
314133842
Circumference
986880570.27114
Area
7.7503146283606E+16
Volume
1.6230907406105E+25
Surface area
3.1001258513442E+17
Circumference
986880570.27114
Perimeter
628267684
Area
24670017672420241
Diagonal
222126169.87838
Surface area
148020106034521446
Volume
3.8748437168226E+24
Space diagonal
272047887.36041
Perimeter
471200763
Area
1.0682431008063E+16
Altitude
136023943.6802
Surface area
1.0682431008063E+16
Volume
4.5665471136723E+23
Height
74042056.626128