61398891 (number)

61398891 is an odd 8-digits composite number following 61398890 and preceding 61398892. In scientific notation, it is written as 6.1398891 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 39151728 positive integers (up to 61398891) that are relatively prime to 61398891.

Interesting facts

Basic properties

Name

Name sixty-one million three hundred ninety-eight thousand eight hundred ninety-one

Notation

Scientific notation 6.1398891 × 10^7
Engineering notation 6.1398891 × 10^6

Prime Factorization of 61398891

Prime Factorization 3 × 27 × 23 × 32957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 61398891
Product of the distinct prime numbers

The prime factorization of 61398891 is 3 × 27 × 23 × 32957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 32, 9, 83, 307, 4924, 8059, 70011, 25740, 891675, 234480, 1346729, 6904225, 38597405, 54642603, 952827090, 975955445, 7873383193, 7343368749

Basic calculations (n = 61398891)

Multiplication

n×y
n×2 122797782
n×3 184196673
n×4 245595564
n×5 306994455

Division

n÷y
n÷2 30699445.5
n÷3 20466297
n÷3 15349722.75
n÷5 12279778.2

Exponentiation

ny
n2 3769823816029881
n3 2.3146300156962E+23
n4 1.4211571603906E+31
n5 8.7257473584693E+38

Nth Root

y√n
2√n 7835.7444445311
3√n 394.50590573645
4√n 88.519740422863
5√n 36.110383884693

Divisors of 61398891

1, 3, 23, 27, 69, 81, 621, 1863, 32957, 98871, 758011, 889839, 2274033, 2669517, 20466297, 61398891

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 -61398890
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 61398891 can be divided by 16 positive divisors. The sum of these divisors (counting 61398891) is 1, the average is 0.0625.

Base conversion 61398891

Base System Value
2 Binary 11101010001101111101101011
3 Ternary 11021112101110000
4 Quaternary 3222031331223
5 Quinary 111204231031
6 Senary 10031554043
8 Octal 352157553
10 Decimal 61398891
12 Duodecimal 1868b923
16 Hexadecimal 3a8df6b
20 Vigesimal j3eh4b
36 Base36 10jzor

Cryptographic Hash Functions

md5 1ebe0452fade4d0c4139680402b32696
sha1 8587ac9c03a8554aecafa5b6ab9a86aa20cbcf05
sha256 4d62fff8fa908810f269e3f95def96c76b080f87cb0d78d4de67d181c635ac0c
sha512 66d95a7acc5860c28fdef25c8d33b94711d6d23103dd7b2fdb11c3a5628881ed45373ea688f5a18142eb746ccce0ffbd11224a5a08fcae141c799ee22da187a7
ripemd-160 e228fc81b89ee8ee06cc74fed0ff3c9f3a17da20

61398891 as geometric shapes

Circle

Radius = n
Diameter 122797782
Circumference 385780609.80832
Area 1.1843250805767E+16

Sphere

Radius = n
Volume 9.6954995374529E+23
Surface area 4.7373003223069E+16
Circumference 385780609.80832

Square

Length = n
Perimeter 245595564
Area 3769823816029881
Diagonal 86831144.366867

Cube

Length = n
Surface area 22618942896179286
Volume 2.3146300156962E+23
Space diagonal 106345998.74038

Equilateral Triangle

Length = n
Perimeter 184196673
Area 1.6323815962367E+15
Altitude 53172999.370192

Triangular Pyramid

Length = n
Surface area 1.6323815962367E+15
Volume 2.7278176333945E+22
Height 28943714.788956