157021289 is an odd 9-digits composite number following 157021288
and preceding 157021290 . In scientific notation, it is written as 1.57021289 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 156877056 positive integers (up to 157021289) that are relatively prime to 157021289.
157021289 has 4 divisors, whose sum is 157165524
The reverse of 157021289 is 982120751
Previous prime number is 1097
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-seven million twenty-one thousand two hundred eighty-nine
Scientific notation
1.57021289 × 10^8
Engineering notation
1.57021289 × 10^6
Prime Factorization
1097 × 143137
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157021289
Product of the distinct prime numbers
The prime factorization of 157021289 is 1097 × 143137.
Since it has a total of 2 prime factors.
8 , 3 , 54 , 49 , 982 , 706 , 9230 , 3210 , 84278 , 52092 , 653492 , 44979 , 3784582 , 412985 , 17835720 , 84563946 , 464452458 , 686722012 , 9983638870 , 3364925062
n×2
314042578
n×3
471063867
n×4
628085156
n×5
785106445
n÷2
78510644.5
n÷3
52340429.666667
n÷3
39255322.25
n÷5
31404257.8
n2
24655685199221521
n3
3.87146747116E+24
n4
6.0790281264311E+32
n5
9.5453683227947E+40
2 √n
12530.813580929
3 √n
539.49345388185
4 √n
111.94111657889
5 √n
43.570416114651
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
-157021288
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 157021289 can be divided by 4 positive divisors.
The sum of these divisors (counting 157021289) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110111111010001101001
3
Ternary
101221110111201022
4
Quaternary
21112333101221
5
Quinary
310144140124
6
Senary
23325302225
8
Octal
1126772151
10
Decimal
157021289
12
Duodecimal
44704975
16
Hexadecimal
95bf469
20
Vigesimal
2917d49
36
Base36
2lhieh
md5
cb2ccd352456a7c595452c536ba42134
sha1
88b1f4dfa2dece630191f179e92c09fa0aca322d
sha256
d31759d42b2d2a6385cb4577cbba44f8e6b05e130408ac6532975e6c1163c2f2
sha512
bf492b35fc6f70a89fef1737b3b42b6995bf7c6d64bce0945c4a7bea9bb35fc988e9a4d1fdafde47e41c1025a936088a8cfc5bc88336f01a813948196719589b
ripemd-160
854697c34db2572aebe382411e89b65dec0ac351
Diameter
314042578
Circumference
986593855.9592
Area
7.7458119491097E+16
Volume
1.6216765021344E+25
Surface area
3.0983247796439E+17
Circumference
986593855.9592
Perimeter
628085156
Area
24655685199221521
Diagonal
222061636.48511
Surface area
147934111195329126
Volume
3.87146747116E+24
Space diagonal
271968850.41796
Perimeter
471063867
Area
1.0676224865119E+16
Altitude
135984425.20898
Surface area
1.0676224865119E+16
Volume
4.5625681700006E+23
Height
74020545.495035