157085021 is an odd 9-digits composite number following 157085020
and preceding 157085022 . In scientific notation, it is written as 1.57085021 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 156996000 positive integers (up to 157085021) that are relatively prime to 157085021.
157085021 has 4 divisors, whose sum is 157174044
The reverse of 157085021 is 120580751
Previous prime number is 1801
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred fifty-seven million eighty-five thousand twenty-one
Scientific notation
1.57085021 × 10^8
Engineering notation
1.57085021 × 10^6
Prime Factorization
1801 × 87221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157085021
Product of the distinct prime numbers
The prime factorization of 157085021 is 1801 × 87221.
Since it has a total of 2 prime factors.
4 , 1 , 94 , 25 , 12 , 355 , 9962 , 429 , 14804 , 2297 , 45371 , 310206 , 1356027 , 405601 , 80765185 , 88439151 , 229717979 , 895295134 , 5068062476 , 4668856205
n×2
314170042
n×3
471255063
n×4
628340084
n×5
785425105
n÷2
78542510.5
n÷3
52361673.666667
n÷3
39271255.25
n÷5
31417004.2
n2
24675703822570441
n3
3.8761834531583E+24
n4
6.0889035913922E+32
n5
9.5647554852082E+40
2 √n
12533.356334199
3 √n
539.56643410482
4 √n
111.95247355105
5 √n
43.573952423724
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
-157085020
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 157085021 can be divided by 4 positive divisors.
The sum of these divisors (counting 157085021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111001110110101011101
3
Ternary
101221120202010202
4
Quaternary
21113032311131
5
Quinary
310203210041
6
Senary
23330513245
8
Octal
1127166535
10
Decimal
157085021
12
Duodecimal
44735825
16
Hexadecimal
95ced5d
20
Vigesimal
291fcb1
36
Base36
2livkt
md5
4a415f5d7e0ff3f5939f1f850efb2a9e
sha1
9a23e2aca6ec281d4486d8428e1c500d7717eb68
sha256
3d6572b9045cfebd160183866024fb67d6461cd5298a4ab42d1f3a6f0ad6e594
sha512
f8dd9d1b9927ea98f833f8f2899e1d6a47b887ba5204b05af4ee3866697a069cc7aac708b25a9cb4a7de9c0e2f3b7dbd5c73c48e57773f06c77560e2df33b9dc
ripemd-160
23b7294660b1efdf523940c402b947142224f62d
Diameter
314170042
Circumference
986994295.9252
Area
7.7521009851145E+16
Volume
1.6236519280544E+25
Surface area
3.1008403940458E+17
Circumference
986994295.9252
Perimeter
628340084
Area
24675703822570441
Diagonal
222151767.14386
Surface area
148054222935422646
Volume
3.8761834531583E+24
Space diagonal
272079237.48002
Perimeter
471255063
Area
1.0684893183303E+16
Altitude
136039618.74001
Surface area
1.0684893183303E+16
Volume
4.5681260080855E+23
Height
74050589.047954