157020221 is an odd 9-digits composite number following 157020220
and preceding 157020222 . In scientific notation, it is written as 1.57020221 × 10^8.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 155873952 positive integers (up to 157020221) that are relatively prime to 157020221.
157020221 has 4 divisors, whose sum is 158166492
The reverse of 157020221 is 122020751
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 20
Digital Root 2
Name
one hundred fifty-seven million twenty thousand two hundred twenty-one
Scientific notation
1.57020221 × 10^8
Engineering notation
1.57020221 × 10^6
Prime Factorization
137 × 1146133
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157020221
Product of the distinct prime numbers
The prime factorization of 157020221 is 137 × 1146133.
Since it has a total of 2 prime factors.
2 , 3 , 38 , 50 , 495 , 881 , 2240 , 375 , 26718 , 56127 , 543120 , 519543 , 8364485 , 194734 , 52057522 , 7858811 , 564077976 , 104141145 , 8051913158 , 9009588836
n×2
314040442
n×3
471060663
n×4
628080884
n×5
785101105
n÷2
78510110.5
n÷3
52340073.666667
n÷3
39255055.25
n÷5
31404044.2
n2
24655349802888841
n3
3.8713884748819E+24
n4
6.0788627390281E+32
n5
9.5450437071086E+40
2 √n
12530.770965906
3 √n
539.49223073494
4 √n
111.94092623302
5 √n
43.57035684456
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
-157020220
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 157020221 can be divided by 4 positive divisors.
The sum of these divisors (counting 157020221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110111111000000111101
3
Ternary
101221110110020202
4
Quaternary
21112333000331
5
Quinary
310144121341
6
Senary
23325253245
8
Octal
1126770075
10
Decimal
157020221
12
Duodecimal
44704225
16
Hexadecimal
95bf03d
20
Vigesimal
2917ab1
36
Base36
2lhhkt
md5
8c19b2317b2a40179c3dde3f530c2e7f
sha1
a348d688995012a76bd80fab1993eb8e47e7b855
sha256
18d86b5b248f7591d51d90747e6bc9b28d20725d4b3dbca1bbd10a32f74918f4
sha512
d03b80b3082a2e6a9616440075a822ae34266c09f9cd56e5102d1ef9f5cae5d2417c9065d468189fdd3d80a38484b8f0c3c01c023d3f33f663d59232ebf81487
ripemd-160
5b80ea6fc67b0cd5b33c8946e870de245c77d412
Diameter
314040442
Circumference
986587145.51729
Area
7.7457065812442E+16
Volume
1.6216434122508E+25
Surface area
3.0982826324977E+17
Circumference
986587145.51729
Perimeter
628080884
Area
24655349802888841
Diagonal
222060126.10502
Surface area
147932098817333046
Volume
3.8713884748819E+24
Space diagonal
271967000.58769
Perimeter
471060663
Area
1.0676079634247E+16
Altitude
135983500.29385
Surface area
1.0676079634247E+16
Volume
4.5624750719941E+23
Height
74020042.035007