157049221 is an odd 9-digits composite number following 157049220
and preceding 157049222 . In scientific notation, it is written as 1.57049221 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 128432304 positive integers (up to 157049221) that are relatively prime to 157049221.
157049221 has 16 divisors, whose sum is 187766784
The reverse of 157049221 is 122940751
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million forty-nine thousand two hundred twenty-one
Scientific notation
1.57049221 × 10^8
Engineering notation
1.57049221 × 10^6
Prime Factorization
7 × 23 × 487 × 2003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157049221
Product of the distinct prime numbers
The prime factorization of 157049221 is 7 × 23 × 487 × 2003.
Since it has a total of 4 prime factors.
5 , 1 , 76 , 27 , 644 , 334 , 3333 , 5178 , 77241 , 28306 , 415692 , 161489 , 3562984 , 7201498 , 67534240 , 81311348 , 785286577 , 989101126 , 5114510937 , 4133413828
n×2
314098442
n×3
471147663
n×4
628196884
n×5
785246105
n÷2
78524610.5
n÷3
52349740.333333
n÷3
39262305.25
n÷5
31409844.2
n2
24664457816706841
n3
3.8735338865012E+24
n4
6.0833547939211E+32
n5
9.5538613145193E+40
2 √n
12531.928063949
3 √n
539.52544155648
4 √n
111.94609445599
5 √n
43.571966123932
1 , 7 , 23 , 161 , 487 , 2003 , 3409 , 11201 , 14021 , 46069 , 78407 , 322483 , 975461 , 6828227 , 22435603 , 157049221
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
-157049220
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 157049221 can be divided by 16 positive divisors.
The sum of these divisors (counting 157049221) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111000110000110000101
3
Ternary
101221111221000211
4
Quaternary
21113012012011
5
Quinary
310201033341
6
Senary
23330035421
8
Octal
1127060605
10
Decimal
157049221
12
Duodecimal
44718b71
16
Hexadecimal
95c6185
20
Vigesimal
291b311
36
Base36
2li3yd
md5
136b9b7213dc4ad1c001e15062fd7bab
sha1
d992e63a191c95fc89ac5fd79da269f1ef4b2b95
sha256
bf0d12bec96be5d72be6b93b799a0f4e8788a2797c4f5bc93c4ea5d40dc7ac30
sha512
bf0e3379328ec2a1b840329163331653780f2b0c54b6f94dd3a6e0db03384d1dc890006e8d8e0c321aa838904b486c75e90224b0f9a3d8bc9411ca528b0f24d4
ripemd-160
150f2b7b6cbda5f4ed405639fcae4a2b08fc80f8
Diameter
314098442
Circumference
986769357.8912
Area
7.7485679481742E+16
Volume
1.6225420801684E+25
Surface area
3.0994271792697E+17
Circumference
986769357.8912
Perimeter
628196884
Area
24664457816706841
Diagonal
222101138.29833
Surface area
147986746900241046
Volume
3.8735338865012E+24
Space diagonal
272017230.06111
Perimeter
471147663
Area
1.0680023519919E+16
Altitude
136008615.03056
Surface area
1.0680023519919E+16
Volume
4.5650034638348E+23
Height
74033712.76611