61644891 (number)

61644891 is an odd 8-digits composite number following 61644890 and preceding 61644892. In scientific notation, it is written as 6.1644891 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 31489920 positive integers (up to 61644891) that are relatively prime to 61644891.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred forty-four thousand eight hundred ninety-one

Notation

Scientific notation 6.1644891 × 10^7
Engineering notation 6.1644891 × 10^6

Prime Factorization of 61644891

Prime Factorization 21 × 11 × 7 × 569 × 67

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 61644891
Product of the distinct prime numbers

The prime factorization of 61644891 is 21 × 11 × 7 × 569 × 67. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 71, 79, 909, 211, 2529, 9232, 17667, 86595, 458668, 353076, 2293147, 8848994, 73816409, 99949567, 182598648, 19811857, 9657062908, 1734532268

Basic calculations (n = 61644891)

Multiplication

n×y
n×2 123289782
n×3 184934673
n×4 246579564
n×5 308224455

Division

n÷y
n÷2 30822445.5
n÷3 20548297
n÷3 15411222.75
n÷5 12328978.2

Exponentiation

ny
n2 3800092586401881
n3 2.3425629327865E+23
n4 1.4440703665227E+31
n5 8.9019560340619E+38

Nth Root

y√n
2√n 7851.4260488143
3√n 395.03207772392
4√n 88.608273026926
5√n 36.139273501319

Divisors of 61644891

1, 7, 11, 21, 67, 77, 147, 231, 469, 569, 737, 1407, 1617, 3983, 5159, 6259, 9849, 11949, 15477, 38123, 43813, 83643, 108339, 131439, 266861, 419353, 800583, 920073, 2935471, 5604081, 8806413, 61644891

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61644890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61644891 can be divided by 32 positive divisors. The sum of these divisors (counting 61644891) is 1, the average is 0.03125.

Base conversion 61644891

Base System Value
2 Binary 11101011001010000001011011
3 Ternary 11021222212220010
4 Quaternary 3223022001123
5 Quinary 111240114031
6 Senary 10041133003
8 Octal 353120133
10 Decimal 61644891
12 Duodecimal 1878a163
16 Hexadecimal 3aca05b
20 Vigesimal j55c4b
36 Base36 10p9i3

Cryptographic Hash Functions

md5 9030ed8225dfea5dbbc944c5a558a78a
sha1 cb493083226f7c0d6d0235fb6be0b1acadbb472b
sha256 92110db2d1f5ffa18245c75dbd6ac2f154eb7806e078287aed1c38b732e340ca
sha512 33aff1d466511c0991431f0fb7e15cefbebf0b3a3a4c03e5b574639e8a5f44a46a57de2ff93e45b20b2e287bcc465d6f6b98184c3c9f2dab6d9875e2084c032b
ripemd-160 52941608cdd5fe3f01a8a459a6a242ab3ac5c657

61644891 as geometric shapes

Circle

Radius = n
Diameter 123289782
Circumference 387326273.39389
Area 1.1938342952401E+16

Sphere

Radius = n
Volume 9.8125046669519E+23
Surface area 4.7753371809605E+16
Circumference 387326273.39389

Square

Length = n
Perimeter 246579564
Area 3800092586401881
Diagonal 87179040.903211

Cube

Length = n
Surface area 22800555518411286
Volume 2.3425629327865E+23
Space diagonal 106772083.23905

Equilateral Triangle

Length = n
Perimeter 184934673
Area 1.6454883582785E+15
Altitude 53386041.619523

Triangular Pyramid

Length = n
Surface area 1.6454883582785E+15
Volume 2.7607368918827E+22
Height 29059680.30107