157480981 is an odd 9-digits composite number following 157480980
and preceding 157480982 . In scientific notation, it is written as 1.57480981 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 133104384 positive integers (up to 157480981) that are relatively prime to 157480981.
157480981 has 16 divisors, whose sum is 182502144
The reverse of 157480981 is 189084751
Previous prime number is 757
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-seven million four hundred eighty thousand nine hundred eighty-one
Scientific notation
1.57480981 × 10^8
Engineering notation
1.57480981 × 10^6
Prime Factorization
7 × 113 × 757 × 263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157480981
Product of the distinct prime numbers
The prime factorization of 157480981 is 7 × 113 × 757 × 263.
Since it has a total of 4 prime factors.
10 , 8 , 58 , 70 , 366 , 819 , 1683 , 6423 , 34558 , 7192 , 711966 , 435572 , 1122107 , 5317057 , 71164046 , 72097802 , 224598941 , 636817509 , 7445398940 , 7413192521
n×2
314961962
n×3
472442943
n×4
629923924
n×5
787404905
n÷2
78740490.5
n÷3
52493660.333333
n÷3
39370245.25
n÷5
31496196.2
n2
24800259376722361
n3
3.9055691757007E+24
n4
6.1505286515271E+32
n5
9.6859128571109E+40
2 √n
12549.142640037
3 √n
540.01941059628
4 √n
112.0229558619
5 √n
43.595897447049
1 , 7 , 113 , 263 , 757 , 791 , 1841 , 5299 , 29719 , 85541 , 199091 , 208033 , 598787 , 1393637 , 22497283 , 157480981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157480980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157480981 can be divided by 16 positive divisors.
The sum of these divisors (counting 157480981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000101111100000010101
3
Ternary
101222022212021221
4
Quaternary
21120233200111
5
Quinary
310303342411
6
Senary
23343210341
8
Octal
1130574025
10
Decimal
157480981
12
Duodecimal
448a69b1
16
Hexadecimal
962f815
20
Vigesimal
2945291
36
Base36
2lrd3p
md5
ec34d20fa000fcad4db47c1cd40eac30
sha1
e25ec6bfd097d975573730ef6fb0b40c59872ca9
sha256
0e8f07065778015d139eed5d5c75d291aaca61b62b3a873dbf048a635edd738e
sha512
bba67cc1d2f618305d5407b0ed32ad4e9aff8608c383410e4e092376a63475e929355972801fe04c15f84cd2eb165ab2dad5f7147d968bf574a76e0ea1f4dd2b
ripemd-160
63cc5ce0a5e15c70807309692cf809a7970924dc
Diameter
314961962
Circumference
989482185.97943
Area
7.7912312665032E+16
Volume
1.6359609907291E+25
Surface area
3.1164925066013E+17
Circumference
989482185.97943
Perimeter
629923924
Area
24800259376722361
Diagonal
222711739.14602
Surface area
148801556260334166
Volume
3.9055691757007E+24
Space diagonal
272765060.31779
Perimeter
472442943
Area
1.0738827320342E+16
Altitude
136382530.15889
Surface area
1.0738827320342E+16
Volume
4.6027574142185E+23
Height
74237246.382007