28913148400

Names of 28913148400

• Cardinal: 28913148400 can be written as Twenty-eight billion, nine hundred thirteen million, one hundred forty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.89131484 × 10¹⁰

Factors of 28913148400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3448

Divisors of 28913148400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 172 200 215 344 400 430 601 688 860 1075 1202 1720 2150 2404 2797 3005 3440 4300 4808 5594 6010 8600 9616 11188 12020 13985 15025 17200 22376 24040 25843 27970 30050 44752 48080 51686 55940 60100 69925 103372 111880 120200 120271 129215 139850 206744 223760 240400 240542 258430 279700 413488 481084 516860 559400 601355 646075 962168 1033720 1118800 1202710 1292150 1680997 1924336 2067440 2405420 2584300 3006775 3361994 4810840 5168600 6013550 6723988 8404985 9621680 10337200 12027100 13447976 16809970 24054200 26895952 33619940 42024925 48108400 67239880 72282871 84049850 134479760 144565742 168099700 289131484 336199400 361414355 578262968 672398800 722828710 1156525936 1445657420 1807071775 2891314840 3614143550 5782629680 7228287100 14456574200 28913148400
• Sum of all divisors σ(n): 71223000464
• Sum of proper divisors (its aliquot sum) s(n): 42309852064
• 28913148400 is an abundant number, because the sum of its proper divisors (42309852064) is greater than itself. Its abundance is 13396703664

Bases of 28913148400

• Binary: 11010111011010110111010000111110000₂
• Hexadecimal: 0x6BB5BA1F0
• Base-36: DA65434

Squares and roots of 28913148400

• 28913148400 squared (28913148400²) is 835970150400422560000
• 28913148400 cubed (28913148400³) is 24170529016497736899987904000000
• The square root of 28913148400 is 170038.6673671609
• The cube root of 28913148400 is 3069.2466825067

Scales and comparisons

• 28,913,148,400 seconds is equal to 919 years, 18 weeks, 22 hours, 6 minutes, 40 seconds.
• To count from 1 to 28,913,148,400 would take you about one thousand, eight hundred thirty-eight 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 28913148400 cubic inches would be around 255.8 feet tall.

Recreational maths with 28913148400

• 28913148400 backwards is 00484131982
• 28913148400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28913148400's digits is 40
• More coming soon!