157021420 is an even 9-digits composite number following 157021419
and preceding 157021421 . In scientific notation, it is written as 1.57021420 × 10^8.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 61743552 positive integers (up to 157021420) that are relatively prime to 157021420.
157021420 has 24 divisors, whose sum is 335336400
The reverse of 157021420 is 024120751
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 22
Digital Root 4
Name
one hundred fifty-seven million twenty-one thousand four hundred twenty
Scientific notation
1.57021420 × 10^8
Engineering notation
1.57021420 × 10^6
Prime Factorization
2 × 2 × 59 × 5 × 133069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78510710
Product of the distinct prime numbers
The prime factorization of 157021420 is 2 × 2 × 59 × 5 × 133069.
Since it has a total of 5 prime factors.
8 , 9 , 18 , 31 , 186 , 25 , 5474 , 1130 , 54724 , 74907 , 235649 , 697652 , 7036098 , 7791028 , 53053030 , 50001132 , 840038560 , 104343172 , 7778396362 , 7082646615
n×2
314042840
n×3
471064260
n×4
628085680
n×5
785107100
n÷2
78510710
n÷3
52340473.333333
n÷3
39255355
n÷5
31404284
n2
24655726338816400
n3
3.8714771608524E+24
n4
6.079048412946E+32
n5
9.5454081404953E+40
2 √n
12530.818808043
3 √n
539.49360391166
4 √n
111.94113992649
5 √n
43.57042338465
1 , 2 , 4 , 5 , 10 , 20 , 59 , 118 , 236 , 295 , 590 , 1180 , 133069 , 266138 , 532276 , 665345 , 1330690 , 2661380 , 7851071 , 15702142 , 31404284 , 39255355 , 78510710 , 157021420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157021419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157021420 can be divided by 24 positive divisors.
The sum of these divisors (counting 157021420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010110111111010011101100
3
Ternary
101221110111220011
4
Quaternary
21112333103230
5
Quinary
310144141140
6
Senary
23325303004
8
Octal
1126772354
10
Decimal
157021420
12
Duodecimal
44704a64
16
Hexadecimal
95bf4ec
20
Vigesimal
2917db0
36
Base36
2lhii4
md5
393dfcafca778a895498a8d6fb12993e
sha1
645c46f751cc9b746a6062754d862e6eb04abd6c
sha256
14340fc0892f778d0ab4b4140636bc69fc04938e6cd5b7869918ba06dd020bfe
sha512
00f55c2cbaa178ec728af2460fe27d704e69fa21eed14ee36899dd83d9787d2c685374584805b1a229845062a5a2d264bd7d5f4a5e150424b2ff100b1b451743
ripemd-160
5ccc8495dd8294d876b51d2850e01b03e4f02a56
Diameter
314042840
Circumference
986594679.05647
Area
7.7458248734946E+16
Volume
1.6216805609433E+25
Surface area
3.0983299493978E+17
Circumference
986594679.05647
Perimeter
628085680
Area
24655726338816400
Diagonal
222061821.74708
Surface area
147934358032898400
Volume
3.8714771608524E+24
Space diagonal
271969077.31661
Perimeter
471064260
Area
1.0676242679086E+16
Altitude
135984538.65831
Surface area
1.0676242679086E+16
Volume
4.5625795894126E+23
Height
74020607.249027