155151921 is an odd 9-digits composite number following 155151920
and preceding 155151922 . In scientific notation, it is written as 1.55151921 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 103331072 positive integers (up to 155151921) that are relatively prime to 155151921.
155151921 has 8 divisors, whose sum is 207076320
The reverse of 155151921 is 129151551
Previous prime number is 1019
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred fifty-five million one hundred fifty-one thousand nine hundred twenty-one
Scientific notation
1.55151921 × 10^8
Engineering notation
1.55151921 × 10^6
Prime Factorization
3 × 1019 × 50753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155151921
Product of the distinct prime numbers
The prime factorization of 155151921 is 3 × 1019 × 50753.
Since it has a total of 3 prime factors.
1 , 2 , 25 , 8 , 341 , 89 , 1010 , 3578 , 42471 , 19137 , 192637 , 538876 , 2463974 , 83875 , 59881285 , 81439550 , 575615372 , 200994971 , 2305375988 , 1901448932
n×2
310303842
n×3
465455763
n×4
620607684
n×5
775759605
n÷2
77575960.5
n÷3
51717307
n÷3
38787980.25
n÷5
31030384.2
n2
24072118589990241
n3
3.7348354417768E+24
n4
5.7946689341055E+32
n5
8.990540166855E+40
2 √n
12455.999397881
3 √n
537.34397750213
4 √n
111.60644872892
5 √n
43.466175724097
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
-155151920
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 155151921 can be divided by 8 positive divisors.
The sum of these divisors (counting 155151921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111110110111000110001
3
Ternary
101210221112102110
4
Quaternary
21033312320301
5
Quinary
304204330141
6
Senary
23221235533
8
Octal
1117667061
10
Decimal
155151921
12
Duodecimal
43b62ba9
16
Hexadecimal
93f6e31
20
Vigesimal
289djg1
36
Base36
2kdfzl
md5
93c2097cb64a0c92c57eac6f0f7c0c33
sha1
8870b2336fa5ea49e0185960c0b599287f978b94
sha256
74c3fea5e9c9f30638b5f2dc844c912b4d78e1f90a15c9fe01142461965a871c
sha512
6877f12c3330ae9f3c53a5d9399e21ebe3e02a61a8bb81563f5a49a9b7e14020a6ae1a96fa75b412554ea2deaa126e15c034e0196dcf220dd9df8eaf51165d72
ripemd-160
11a415af5a5a85068adc51867b30b94499f0b9f8
Diameter
310303842
Circumference
974848270.40789
Area
7.5624790918656E+16
Volume
1.5644442115004E+25
Surface area
3.0249916367462E+17
Circumference
974848270.40789
Perimeter
620607684
Area
24072118589990241
Diagonal
219417950.90644
Surface area
144432711539941446
Volume
3.7348354417768E+24
Space diagonal
268731010.06391
Perimeter
465455763
Area
1.0423533110922E+16
Altitude
134365505.03196
Surface area
1.0423533110922E+16
Volume
4.4015457791604E+23
Height
73139316.968813