2005389144

Names of 2005389144

• Cardinal: 2005389144 can be written as Two billion, five million, three hundred eighty-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.005389144 × 10⁹

Factors of 2005389144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 293

Divisors of 2005389144

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 88 99 108 121 132 198 216 242 264 277 297 363 396 484 554 594 726 792 831 968 1089 1108 1188 1452 1662 2178 2216 2376 2493 2904 3047 3267 3324 4356 4986 6094 6534 6648 7479 8712 9141 9972 12188 13068 14958 18282 19944 24376 26136 27423 29916 33517 36564 54846 59832 67034 73128 76729 82269 100551 109692 134068 153458 164538 201102 219384 230187 268136 301653 306916 329076 402204 460374 603306 613832 658152 690561 804408 844019 904959 920748 1206612 1381122 1688038 1809918 1841496 2071683 2413224 2532057 2762244 3376076 3619836 4143366 5064114 5524488 6752152 7239672 7596171 8286732 9284209 10128228 15192342 16573464 18568418 20256456 22788513 27852627 30384684 37136836 45577026 55705254 60769368 74273672 83557881 91154052 111410508 167115762 182308104 222821016 250673643 334231524 501347286 668463048 1002694572 2005389144
• Sum of all divisors σ(n): 6145158600
• Sum of proper divisors (its aliquot sum) s(n): 4139769456
• 2005389144 is an abundant number, because the sum of its proper divisors (4139769456) is greater than itself. Its abundance is 2134380312

Bases of 2005389144

• Binary: 1110111100001111100111101011000₂
• Hexadecimal: 0x7787CF58
• Base-36: X5YG60

Squares and roots of 2005389144

• 2005389144 squared (2005389144²) is 4021585618873052736
• 2005389144 cubed (2005389144³) is 8064844141754541470913897984
• The square root of 2005389144 is 44781.5714775619
• The cube root of 2005389144 is 1261.0516843047

Scales and comparisons

• 2,005,389,144 seconds is equal to 63 years, 39 weeks, 5 days, 12 hours, 32 minutes, 24 seconds.
• To count from 1 to 2,005,389,144 would take you about one hundred twenty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 2005389144 cubic inches would be around 105.1 feet tall.

Recreational maths with 2005389144

• 2005389144 backwards is 4419835002
• 2005389144 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2005389144's digits is 36
• More coming soon!