2155156985 (number)

2155156985 is an odd 10-digits composite number following 2155156984 and preceding 2155156986. In scientific notation, it is written as 2.155156985 × 10^9. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 1632695616 positive integers (up to 2155156985) that are relatively prime to 2155156985.

Interesting facts

Basic properties

Name

Name two billion one hundred fifty-five million one hundred fifty-six thousand nine hundred eighty-five

Notation

Scientific notation 2.155156985 × 10^9
Engineering notation 2.155156985 × 10^9

Prime Factorization of 2155156985

Prime Factorization 5 × 19 × 4549 × 4987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2155156985
Product of the distinct prime numbers

The prime factorization of 2155156985 is 5 × 19 × 4549 × 4987. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 43, 72, 923, 524, 8326, 7805, 55994, 13285, 446335, 873874, 8575338, 7468869, 16083239, 31462942, 149283871, 868062045, 8841855729, 3603242989

Basic calculations (n = 2155156985)

Multiplication

n×y
n×2 4310313970
n×3 6465470955
n×4 8620627940
n×5 10775784925

Division

n÷y
n÷2 1077578492.5
n÷3 718385661.66667
n÷3 538789246.25
n÷5 431031397

Exponentiation

ny
n2 4644701629994290225
n3 1.0010061161123E+28
n4 2.1573253231672E+37
n5 4.6493747391411E+46

Nth Root

y√n
2√n 46423.668370778
3√n 1291.6939837072
4√n 215.46152410762
5√n 73.569157407553

Divisors of 2155156985

1, 5, 19, 95, 4549, 4987, 22745, 24935, 86431, 94753, 432155, 473765, 22685863, 113429315, 431031397, 2155156985

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 -2155156984
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 2155156985 can be divided by 16 positive divisors. The sum of these divisors (counting 2155156985) is 1, the average is 0.0625.

Base conversion 2155156985

Base System Value
2 Binary 10000000011101010001010111111001
3 Ternary 12120012022022121002
4 Quaternary 2000131101113321
5 Quinary 13403210010420
6 Senary 553504254345
8 Octal 20035212771
10 Decimal 2155156985
12 Duodecimal 5019113b5
16 Hexadecimal 807515f9
20 Vigesimal 1dd9ec95
36 Base36 zn4hrt

Cryptographic Hash Functions

md5 ae29eb846524cedeb86e3de10b608670
sha1 8f9d0192ea501778b616cdd44d26dd217c390175
sha256 e86c822745c8daed91e5ba7566cdc25c37bacc619d5e0b294be36a758722d03f
sha512 28b0eeb9db0ee17db7d1d323c948fd3cf7b5ea3d3dc5d1a97f9b9cc148c87fe46e437ddbf0f213c85fb605eb979c118be84c1f16a52eb615f35e7541950af122
ripemd-160 c120fc85e3a9b1ceedc8b58c599e54ed8853cd49

2155156985 as geometric shapes

Circle

Radius = n
Diameter 4310313970
Circumference 13541250702.817
Area 1.4591760518907E+19

Sphere

Radius = n
Volume 4.1930046141025E+28
Surface area 5.8367042075626E+19
Circumference 13541250702.817

Square

Length = n
Perimeter 8620627940
Area 4644701629994290225
Diagonal 3047852237.2301

Cube

Length = n
Surface area 2.7868209779966E+19
Volume 1.0010061161123E+28
Space diagonal 3732841396.307

Equilateral Triangle

Length = n
Perimeter 6465470955
Area 2.011214802287E+18
Altitude 1866420698.1535

Triangular Pyramid

Length = n
Surface area 2.011214802287E+18
Volume 1.179697021187E+27
Height 1015950745.7434