157021761 is an odd 9-digits composite number following 157021760
and preceding 157021762 . In scientific notation, it is written as 1.57021761 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 96628752 positive integers (up to 157021761) that are relatively prime to 157021761.
157021761 has 8 divisors, whose sum is 225467200
The reverse of 157021761 is 167120751
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred fifty-seven million twenty-one thousand seven hundred sixty-one
Scientific notation
1.57021761 × 10^8
Engineering notation
1.57021761 × 10^6
Prime Factorization
3 × 13 × 4026199
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157021761
Product of the distinct prime numbers
The prime factorization of 157021761 is 3 × 13 × 4026199.
Since it has a total of 3 prime factors.
1 , 6 , 68 , 87 , 637 , 234 , 2674 , 4211 , 74825 , 38123 , 439146 , 823032 , 8807879 , 4815065 , 56463768 , 88317229 , 792181848 , 747196266 , 1310443204 , 7460298971
n×2
314043522
n×3
471065283
n×4
628087044
n×5
785108805
n÷2
78510880.5
n÷3
52340587
n÷3
39255440.25
n÷5
31404352.2
n2
24655833427541121
n3
3.8715023837152E+24
n4
6.0791012200665E+32
n5
9.545511788721E+40
2 √n
12530.832414489
3 √n
539.49399444688
4 √n
111.94120070148
5 √n
43.570442308821
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157021760
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157021761 can be divided by 8 positive divisors.
The sum of these divisors (counting 157021761) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111011001000001
3
Ternary
101221110112100210
4
Quaternary
21112333121001
5
Quinary
310144144021
6
Senary
23325304333
8
Octal
1126773101
10
Decimal
157021761
12
Duodecimal
447050a9
16
Hexadecimal
95bf641
20
Vigesimal
2917e81
36
Base36
2lhirl
md5
535ac39b319860af59d8bd2ad5ad75e2
sha1
6197047f2f1e2751413b98d2b5a76bf0a405eaee
sha256
a42d93c51b531859e3f042f27b6570e4f77aa1c69f8b4ee4497e32131246b2df
sha512
29d373b67c5cbb46573f28f2b35893e79a9655f8a12844eaf1c8613116bb8c7fb59dc98d6a90d19860fa740b7ed82db7ff28bce57d5092df47762a27bad3d913
ripemd-160
28877047a1ea091e518ae59ca53ba9d41ac04347
Diameter
314043522
Circumference
986596821.62266
Area
7.7458585164097E+16
Volume
1.6216911262713E+25
Surface area
3.0983434065639E+17
Circumference
986596821.62266
Perimeter
628087044
Area
24655833427541121
Diagonal
222062303.99391
Surface area
147935000565246726
Volume
3.8715023837152E+24
Space diagonal
271969667.94594
Perimeter
471065283
Area
1.0676289049864E+16
Altitude
135984833.97297
Surface area
1.0676289049864E+16
Volume
4.5626093148415E+23
Height
74020767.997969