638969912 (number)

638969912 is an even 9-digits composite number following 638969911 and preceding 638969913. In scientific notation, it is written as 6.38969912 × 10^8. The sum of its digits is 53. It has a total of 7 prime factors and 64 positive divisors. There are 266112000 positive integers (up to 638969912) that are relatively prime to 638969912.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-nine thousand nine hundred twelve

Notation

Scientific notation 6.38969912 × 10^8
Engineering notation 6.38969912 × 10^6

Prime Factorization of 638969912

Prime Factorization 2 × 2 × 2 × 41 × 7 × 397 × 701

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 159742478
Product of the distinct prime numbers

The prime factorization of 638969912 is 2 × 2 × 2 × 41 × 7 × 397 × 701. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 5, 42, 67, 377, 991, 1486, 3488, 60734, 86751, 167526, 299141, 6034450, 1643898, 59864438, 21187306, 632341210, 901230490, 3222055768, 8322087317

Basic calculations (n = 638969912)

Multiplication

n×y
n×2 1277939824
n×3 1916909736
n×4 2555879648
n×5 3194849560

Division

n÷y
n÷2 319484956
n÷3 212989970.66667
n÷3 159742478
n÷5 127793982.4

Exponentiation

ny
n2 408282548441287744
n3 2.6088026404867E+26
n4 1.6669463936171E+35
n5 1.0651285904383E+44

Nth Root

y√n
2√n 25277.854181081
3√n 861.31128246534
4√n 158.99010717992
5√n 57.689407916922

Divisors of 638969912

1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 397, 574, 701, 794, 1148, 1402, 1588, 2296, 2779, 2804, 3176, 4907, 5558, 5608, 9814, 11116, 16277, 19628, 22232, 28741, 32554, 39256, 57482, 65108, 113939, 114964, 130216, 201187, 227878, 229928, 278297, 402374, 455756, 556594, 804748, 911512, 1113188, 1609496, 1948079, 2226376, 3896158, 7792316, 11410177, 15584632, 22820354, 45640708, 79871239, 91281416, 159742478, 319484956, 638969912

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 -638969911
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 638969912 can be divided by 64 positive divisors. The sum of these divisors (counting 638969912) is 1, the average is 0.015625.

Base conversion 638969912

Base System Value
2 Binary 100110000101011110100000111000
3 Ternary 1122112100000221022
4 Quaternary 212011132200320
5 Quinary 2302034014122
6 Senary 143223202012
8 Octal 4605364070
10 Decimal 638969912
12 Duodecimal 159ba6308
16 Hexadecimal 2615e838
20 Vigesimal 9jdb4fc
36 Base36 akfcc8

Cryptographic Hash Functions

md5 dd21d0d4857e7230c6d5676ee720c382
sha1 657c5a4a53ce180ed3709fea828d81a2ee9bffda
sha256 cd552b1ce155bae2039afb6054d04f0c134f27b42100afab6141934edd2756b2
sha512 2b68d2f39a5961a67b9ebce3d400edac95a380bb82b3dfe5ee52184659748b04a175c0e6699ea1a8033903303f790efce03fb861347fc2f688bfdde50bf17843
ripemd-160 2abd4a410af90a843bf71e61402104fc8a69dcbb

638969912 as geometric shapes

Circle

Radius = n
Diameter 1277939824
Circumference 4014766362.8082
Area 1.2826574547721E+18

Sphere

Radius = n
Volume 1.0927726946691E+27
Surface area 5.1306298190883E+18
Circumference 4014766362.8082

Square

Length = n
Perimeter 2555879648
Area 408282548441287744
Diagonal 903639915.49874

Cube

Length = n
Surface area 2449695290647726464
Volume 2.6088026404867E+26
Space diagonal 1106728352.0918

Equilateral Triangle

Length = n
Perimeter 1916909736
Area 1.76791529436E+17
Altitude 553364176.04591

Triangular Pyramid

Length = n
Surface area 1.76791529436E+17
Volume 3.0745033964425E+25
Height 301213305.16625