155993940 is an even 9-digits composite number following 155993939
and preceding 155993941 . In scientific notation, it is written as 1.55993940 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 40711104 positive integers (up to 155993940) that are relatively prime to 155993940.
155993940 has 24 divisors, whose sum is 285008640
The reverse of 155993940 is 049399551
Previous prime number is 47
Is Prime? no Number parity even Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred fifty-five million nine hundred ninety-three thousand nine hundred forty
Scientific notation
1.55993940 × 10^8
Engineering notation
1.55993940 × 10^6
Prime Factorization
2 × 2 × 45 × 47 × 18439
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
77996970 Product of the distinct prime numbers
The prime factorization of 155993940 is 2 × 2 × 45 × 47 × 18439.
Since it has a total of 5 prime factors.
1 , 1 , 23 , 66 , 503 , 12 , 3478 , 3766 , 46280 , 54969 , 448150 , 904837 , 6764862 , 2608302 , 37510949 , 29960236 , 684687492 , 771355188 , 8371914090 , 45153764
n×2
311987880
n×3
467981820
n×4
623975760
n×5
779969700
n÷2
77996970
n÷3
51997980
n÷3
38998485
n÷5
31198788
n2
24334109316723600
n3
3.7959735887064E+24
n4
5.9214887623825E+32
n5
9.2371636270978E+40
2 √n12489.753400288
3 √n538.31429054829
4 √n111.75756529331
5 √n43.513252360409
1 , 2 , 4 , 45 , 47 , 90 , 94 , 180 , 188 , 2115 , 4230 , 8460 , 18439 , 36878 , 73756 , 829755 , 866633 , 1659510 , 1733266 , 3319020 , 3466532 , 38998485 , 77996970 , 155993940
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-155993939 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155993940 can be divided by 24 positive divisors.
The sum of these divisors (counting 155993940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010011000100011101010100
3
Ternary
101212112022110100
4
Quaternary
21103010131110
5
Quinary
304413301230
6
Senary
23251254100
8
Octal
1123043524
10
Decimal
155993940
12
Duodecimal
442aa330
16
Hexadecimal
94c4754
20
Vigesimal
28ej4h0
36
Base36
2kvhp0
md5
b5569f0368d4fb4ac5521334c74bf828
sha1
da7ee6fa8366045f858a299030d91461e392bef3
sha256
080ed4bcf820e737eb8d30bafb3db2d73bc2256614ac6cdf6b53e78f014d1317
sha512
268797e5d93fe2342c043e527b42e92eec1c921f80bac320330a36ebe8c3c5be0882804eb4a8a8095dcce1bf65013bd00ffda96715e9b90aae2a5450377beef1
ripemd-160
fbbca99eefa23365ea06d922f518ba8d76c29700
Diameter
311987880
Circumference
980138831.81705
Area
7.644785906107E+16
Volume
1.5900536986001E+25
Surface area
3.0579143624428E+17
Circumference
980138831.81705
Perimeter
623975760
Area
24334109316723600
Diagonal
220608745.59601
Surface area
146004655900341600
Volume
3.7959735887064E+24
Space diagonal
270189429.75285
Perimeter
467981820
Area
1.0536978423375E+16
Altitude
135094714.87643
Surface area
1.0536978423375E+16
Volume
4.4735977762989E+23
Height
73536248.532005