1638963978 (number)

1638963978 is an even 10-digits composite number following 1638963977 and preceding 1638963979. In scientific notation, it is written as 1.638963978 × 10^9. The sum of its digits is 60. It has a total of 6 prime factors and 64 positive divisors. There are 501887232 positive integers (up to 1638963978) that are relatively prime to 1638963978.

Interesting facts

Basic properties

Name

Name one billion six hundred thirty-eight million nine hundred sixty-three thousand nine hundred seventy-eight

Notation

Scientific notation 1.638963978 × 10^9
Engineering notation 1.638963978 × 10^9

Prime Factorization of 1638963978

Prime Factorization 2 × 3 × 19 × 2707 × 47 × 113

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1638963978
Product of the distinct prime numbers

The prime factorization of 1638963978 is 2 × 3 × 19 × 2707 × 47 × 113. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 5, 11, 17, 898, 719, 7701, 9373, 18639, 9945, 796138, 842897, 7091265, 9399458, 56800264, 66747092, 306082114, 44426468, 8776313005, 3536429440

Basic calculations (n = 1638963978)

Multiplication

n×y
n×2 3277927956
n×3 4916891934
n×4 6555855912
n×5 8194819890

Division

n÷y
n÷2 819481989
n÷3 546321326
n÷3 409740994.5
n÷5 327792795.6

Exponentiation

ny
n2 2686202921181584484
n3 4.402589825415E+27
n4 7.2156861337645E+36
n5 1.1826249649794E+46

Nth Root

y√n
2√n 40484.120071949
3√n 1179.025331802
4√n 201.20666010833
5√n 69.648839045894

Divisors of 1638963978

1, 2, 3, 6, 19, 38, 47, 57, 94, 113, 114, 141, 226, 282, 339, 678, 893, 1786, 2147, 2679, 2707, 4294, 5311, 5358, 5414, 6441, 8121, 10622, 12882, 15933, 16242, 31866, 51433, 100909, 102866, 127229, 154299, 201818, 254458, 302727, 305891, 308598, 381687, 605454, 611782, 763374, 917673, 1835346, 2417351, 4834702, 5811929, 7252053, 11623858, 14376877, 14504106, 17435787, 28753754, 34871574, 43130631, 86261262, 273160663, 546321326, 819481989, 1638963978

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1638963977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1638963978 can be divided by 64 positive divisors. The sum of these divisors (counting 1638963978) is 1, the average is 0.015625.

Base conversion 1638963978

Base System Value
2 Binary 1100001101100001001101100001010
3 Ternary 11020012222222220120
4 Quaternary 1201230021230022
5 Quinary 11324033321403
6 Senary 430344404110
8 Octal 14154115412
10 Decimal 1638963978
12 Duodecimal 398a76636
16 Hexadecimal 61b09b0a
20 Vigesimal 15c3a9ii
36 Base36 r3sop6

Cryptographic Hash Functions

md5 1e1bc6fb7dde25ecc9e03f1ce4e6a911
sha1 229604ec29a01aa39e9db7c41c7ff699dcc014aa
sha256 4e9639cdccea74a2a5b1e9eba53dba138ed85a06f01b6d880b3087511f058238
sha512 9bb0ae6c1fe56bc30c134f185dc5bbf4d66926e1b17113e67851d4eb2b04f507c29e55228a1c464d41786997ec06eed454a246664c9814e891464d408708f2c9
ripemd-160 5a70a31029205d3967c1c5cc9a34a3fc9772e317

1638963978 as geometric shapes

Circle

Radius = n
Diameter 3277927956
Circumference 10297914385.566
Area 8.4389553632355E+18

Sphere

Radius = n
Volume 1.8441525136391E+28
Surface area 3.3755821452942E+19
Circumference 10297914385.566

Square

Length = n
Perimeter 6555855912
Area 2686202921181584484
Diagonal 2317845085.9286

Cube

Length = n
Surface area 1.611721752709E+19
Volume 4.402589825415E+27
Space diagonal 2838768881.6712

Equilateral Triangle

Length = n
Perimeter 4916891934
Area 1.1631599847316E+18
Altitude 1419384440.8356

Triangular Pyramid

Length = n
Surface area 1.1631599847316E+18
Volume 5.1885018672231E+26
Height 772615028.64285