28420900424

Names of 28420900424

• Cardinal: 28420900424 can be written as Twenty-eight billion, four hundred twenty million, nine hundred thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.8420900424 × 10¹⁰

Factors of 28420900424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 35865

Divisors of 28420900424

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 17 28 34 49 56 68 98 119 136 196 238 289 343 392 476 578 686 833 952 1156 1372 1666 2023 2312 2744 3332 4046 5831 6664 8092 11662 14161 16184 23324 28322 35839 46648 56644 71678 99127 113288 143356 198254 250873 286712 396508 501746 609263 793016 1003492 1218526 1756111 2006984 2437052 3512222 4264841 4874104 7024444 8529682 10357471 12292777 14048888 17059364 20714942 24585554 29853887 34118728 41429884 49171108 59707774 72502297 82859768 98342216 119415548 145004594 208977209 238831096 290009188 417954418 507516079 580018376 835908836 1015032158 1671817672 2030064316 3552612553 4060128632 7105225106 14210450212 28420900424
• Sum of all divisors σ(n): 66017280000
• Sum of proper divisors (its aliquot sum) s(n): 37596379576
• 28420900424 is an abundant number, because the sum of its proper divisors (37596379576) is greater than itself. Its abundance is 9175479152

Bases of 28420900424

• Binary: 11010011110000001001000011001001000₂
• Hexadecimal: 0x69E048648
• Base-36: D212J48

Squares and roots of 28420900424

• 28420900424 squared (28420900424²) is 807747580910923379776
• 28420900424 cubed (28420900424³) is 22956913564796236590507231425024
• The square root of 28420900424 is 168584.9946584809
• The cube root of 28420900424 is 3051.7288567583

Scales and comparisons

• 28,420,900,424 seconds is equal to 903 years, 36 weeks, 1 day, 14 hours, 33 minutes, 44 seconds.
• To count from 1 to 28,420,900,424 would take you about one thousand, eight hundred 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 28420900424 cubic inches would be around 254.3 feet tall.

Recreational maths with 28420900424

• 28420900424 backwards is 42400902482
• The number of decimal digits it has is: 11
• The sum of 28420900424's digits is 35
• More coming soon!