155118421 is an odd 9-digits composite number following 155118420
and preceding 155118422 . In scientific notation, it is written as 1.55118421 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 145871040 positive integers (up to 155118421) that are relatively prime to 155118421.
155118421 has 8 divisors, whose sum is 164381184
The reverse of 155118421 is 124811551
Previous prime number is 6203
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred fifty-five million one hundred eighteen thousand four hundred twenty-one
Scientific notation
1.55118421 × 10^8
Engineering notation
1.55118421 × 10^6
Prime Factorization
17 × 6203 × 1471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155118421
Product of the distinct prime numbers
The prime factorization of 155118421 is 17 × 6203 × 1471.
Since it has a total of 3 prime factors.
9 , 10 , 19 , 79 , 678 , 81 , 7781 , 6068 , 88461 , 57312 , 785337 , 660017 , 7767826 , 167223 , 35778186 , 81863775 , 124933322 , 671130378 , 4625429742 , 6154092204
n×2
310236842
n×3
465355263
n×4
620473684
n×5
775592105
n÷2
77559210.5
n÷3
51706140.333333
n÷3
38779605.25
n÷5
31023684.2
n2
24061724533533241
n3
3.7324167161786E+24
n4
5.7896658752764E+32
n5
8.9808382869045E+40
2 √n
12454.654591758
3 √n
537.30530074612
4 √n
111.60042379739
5 √n
43.464298541199
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
-155118420
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 155118421 can be divided by 8 positive divisors.
The sum of these divisors (counting 155118421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111101110101101010101
3
Ternary
101210212211110201
4
Quaternary
21033232231111
5
Quinary
304202242141
6
Senary
23220420501
8
Octal
1117565525
10
Decimal
155118421
12
Duodecimal
43b47731
16
Hexadecimal
93eeb55
20
Vigesimal
2899g11
36
Base36
2kcq51
md5
f893690164b2df0f65176a9484190b2e
sha1
dbe90345c663e3bb5b6a5fa60252599fc95fb258
sha256
1aa628af63564f0d4577882144d77933599561257aeac23d8cbee6b1c8fbc1bb
sha512
a272aaebbb80138d9ff41ce8569b6f0149ebfc0ce9b3410ed7c7f181e4a67c476a77840cf15e3b1cad2cbb0daf437078f647b8d0a23e5a2a9c4914748a789099
ripemd-160
16131d0d4b88827bd91e1eafa7457651068cdd30
Diameter
310236842
Circumference
974637783.7001
Area
7.5592137027249E+16
Volume
1.563431058091E+25
Surface area
3.02368548109E+17
Circumference
974637783.7001
Perimeter
620473684
Area
24061724533533241
Diagonal
219370574.7521
Surface area
144370347201199446
Volume
3.7324167161786E+24
Space diagonal
268672986.36186
Perimeter
465355263
Area
1.0419032352452E+16
Altitude
134336493.18093
Surface area
1.0419032352452E+16
Volume
4.3986952837066E+23
Height
73123524.917367