157173891 is an odd 9-digits composite number following 157173890
and preceding 157173892 . In scientific notation, it is written as 1.57173891 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 80621568 positive integers (up to 157173891) that are relatively prime to 157173891.
157173891 has 32 divisors, whose sum is 182622528
The reverse of 157173891 is 198371751
Previous prime number is 37
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred fifty-seven million one hundred seventy-three thousand eight hundred ninety-one
Scientific notation
1.57173891 × 10^8
Engineering notation
1.57173891 × 10^6
Prime Factorization
21 × 73 × 17 × 37 × 163
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
157173891 Product of the distinct prime numbers
The prime factorization of 157173891 is 21 × 73 × 17 × 37 × 163.
Since it has a total of 5 prime factors.
7 , 3 , 2 , 68 , 191 , 105 , 5244 , 6078 , 20903 , 39358 , 595907 , 24535 , 4825458 , 372782 , 35621579 , 5830792 , 966807636 , 209073743 , 5716529582 , 3905510949
n×2
314347782
n×3
471521673
n×4
628695564
n×5
785869455
n÷2
78586945.5
n÷3
52391297
n÷3
39293472.75
n÷5
31434778.2
n2
24703632012079881
n3
3.8827659651708E+24
n4
6.1026943458826E+32
n5
9.5918421592606E+40
2 √n12536.90117214
3 √n539.66816718502
4 √n111.9683043193
5 √n43.578881653901
1 , 17 , 21 , 37 , 73 , 163 , 357 , 629 , 777 , 1241 , 1533 , 2701 , 2771 , 3423 , 6031 , 11899 , 13209 , 26061 , 45917 , 56721 , 58191 , 102527 , 126651 , 202283 , 249879 , 440263 , 964257 , 2153067 , 4247943 , 7484471 , 9245523 , 157173891
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157173890 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157173891 can be divided by 32 positive divisors.
The sum of these divisors (counting 157173891) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010111100100100010000011
3
Ternary
101221202021001020
4
Quaternary
21113210202003
5
Quinary
310214031031
6
Senary
23332440523
8
Octal
1127444203
10
Decimal
157173891
12
Duodecimal
44779143
16
Hexadecimal
95e4883
20
Vigesimal
2926eeb
36
Base36
2lks5f
md5
974c5dc9100d0b9215149983e78a2aef
sha1
64d0993e9af7c73b0be9c558c42a11a1d439d0bf
sha256
17a70d7a45dd5b6870062cf3bd5fd6eb0530d24437dddd886a985f296c4d6022
sha512
474a296c4414e916910788ffe35ac22b9dea0af31df2222ca39e814ed041c92de50933501d3ebb31a5332f398dbc0bba56d0f66a1329a20958241f1d61477b07
ripemd-160
ff782860956f5456d65e90e5e831203c43088559
Diameter
314347782
Circumference
987552682.60345
Area
7.7608748846136E+16
Volume
1.6264092042385E+25
Surface area
3.1043499538454E+17
Circumference
987552682.60345
Perimeter
628695564
Area
24703632012079881
Diagonal
222277448.30315
Surface area
148221792072479286
Volume
3.8827659651708E+24
Space diagonal
272233164.83529
Perimeter
471521673
Area
1.0696986444102E+16
Altitude
136116582.41765
Surface area
1.0696986444102E+16
Volume
4.5758835728876E+23
Height
74092482.767717