157649381 is an odd 9-digits composite number following 157649380
and preceding 157649382 . In scientific notation, it is written as 1.57649381 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 148100608 positive integers (up to 157649381) that are relatively prime to 157649381.
157649381 has 8 divisors, whose sum is 167232600
The reverse of 157649381 is 183946751
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred fifty-seven million six hundred forty-nine thousand three hundred eighty-one
Scientific notation
1.57649381 × 10^8
Engineering notation
1.57649381 × 10^6
Prime Factorization
17 × 557 × 16649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157649381
Product of the distinct prime numbers
The prime factorization of 157649381 is 17 × 557 × 16649.
Since it has a total of 3 prime factors.
8 , 3 , 95 , 23 , 65 , 650 , 1336 , 529 , 14320 , 78766 , 911817 , 169209 , 4624743 , 3113768 , 12672547 , 87679566 , 874542269 , 345959871 , 1811293862 , 6183991905
n×2
315298762
n×3
472948143
n×4
630597524
n×5
788246905
n÷2
78824690.5
n÷3
52549793.666667
n÷3
39412345.25
n÷5
31529876.2
n2
24853327329683161
n3
3.9181116693149E+24
n4
6.1768787935638E+32
n5
9.7378111831735E+40
2 √n
12555.850469004
3 √n
540.21182933059
4 √n
112.05289139065
5 √n
43.60521718949
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157649380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157649381 can be divided by 8 positive divisors.
The sum of these divisors (counting 157649381) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011001011000100111100101
3
Ternary
101222122102021222
4
Quaternary
21121120213211
5
Quinary
310324240011
6
Senary
23350550125
8
Octal
1131304745
10
Decimal
157649381
12
Duodecimal
44968345
16
Hexadecimal
96589e5
20
Vigesimal
2956391
36
Base36
2luz1h
md5
f2adaff3c4e44b4b101a39704539aa20
sha1
84d469bc4c63f5f539307bd045136590ab31ebe2
sha256
b85ec52373201f885b9cd72edf8432bdc0220c0f577ea8c4487bebe97ebeffb3
sha512
ae1d83debaac2281b23c7c61e91dc8f737df3f58cf67e18bbdbf525207d96afb126728d9cf6da6460a6223f52ff6afcbe74070fca9da3f1149b79ca3a05dde2e
ripemd-160
56816421f4426716519393bc13a33cbd1c9d4cf0
Diameter
315298762
Circumference
990540274.38516
Area
7.8079030556195E+16
Volume
1.6412147781686E+25
Surface area
3.1231612222478E+17
Circumference
990540274.38516
Perimeter
630597524
Area
24853327329683161
Diagonal
222949892.70992
Surface area
149119963978098966
Volume
3.9181116693149E+24
Space diagonal
273056737.67378
Perimeter
472948143
Area
1.0761806418038E+16
Altitude
136528368.83689
Surface area
1.0761806418038E+16
Volume
4.6175388846979E+23
Height
74316630.903308