155705980 is an even 9-digits composite number following 155705979
and preceding 155705981 . In scientific notation, it is written as 1.55705980 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 61826688 positive integers (up to 155705980) that are relatively prime to 155705980.
155705980 has 12 divisors, whose sum is 272888056
The reverse of 155705980 is 089507551
Previous prime number is 685
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-five million seven hundred five thousand nine hundred eighty
Scientific notation
1.55705980 × 10^8
Engineering notation
1.55705980 × 10^6
Prime Factorization
2 × 2 × 685 × 56827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77852990
Product of the distinct prime numbers
The prime factorization of 155705980 is 2 × 2 × 685 × 56827.
Since it has a total of 4 prime factors.
10 , 9 , 50 , 39 , 244 , 814 , 6302 , 2113 , 91206 , 81090 , 96497 , 751609 , 7980197 , 4703514 , 14283379 , 209969 , 352016472 , 320078670 , 2337664519 , 871471640
n×2
311411960
n×3
467117940
n×4
622823920
n×5
778529900
n÷2
77852990
n÷3
51901993.333333
n÷3
38926495
n÷5
31141196
n2
24244352207760400
n3
3.7749906199745E+24
n4
5.8778861397394E+32
n5
9.1522202171653E+40
2 √n
12478.220225657
3 √n
537.98284933096
4 √n
111.70595429814
5 √n
43.497175660938
1 , 2 , 4 , 685 , 1370 , 2740 , 56827 , 113654 , 227308 , 38926495 , 77852990 , 155705980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155705979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155705980 can be divided by 12 positive divisors.
The sum of these divisors (counting 155705980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010001111110001001111100
3
Ternary
101211222200110011
4
Quaternary
21101332021330
5
Quinary
304330042410
6
Senary
23241153004
8
Octal
1121761174
10
Decimal
155705980
12
Duodecimal
4418b764
16
Hexadecimal
947e27c
20
Vigesimal
28d34j0
36
Base36
2kpbi4
md5
13dc54a50c5eb4311683a8e6d0456869
sha1
f001c07407d5bae3cf81e6fd142a80dae5912487
sha256
39bc34db24b4d0f31191e027da05898d49d64585f785f9e6c9bc3805624f15a9
sha512
07e75dfeb76eecee4998ee0603200d57f259f8207c6971174edf70d461f3d74f7dc5927c1394333126a2bc803fa67e974d5ad336b6941fedd175081aa71fa069
ripemd-160
3386fa78dd91896f2efda6677a4f639d35be7b7d
Diameter
311411960
Circumference
978329525.776
Area
7.6165878786944E+16
Volume
1.581264373211E+25
Surface area
3.0466351514777E+17
Circumference
978329525.776
Perimeter
622823920
Area
24244352207760400
Diagonal
220201508.65859
Surface area
145466113246562400
Volume
3.7749906199745E+24
Space diagonal
269690668.4023
Perimeter
467117940
Area
1.0498112455109E+16
Altitude
134845334.20115
Surface area
1.0498112455109E+16
Volume
4.4488691104993E+23
Height
73400502.886198