428200020

Names of 428200020

• Cardinal: 428200020 can be written as Four hundred twenty-eight million, two hundred thousand and twenty.

Scientific notation

• Scientific notation: 4.2820002 × 10⁸

Factors of 428200020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 736

Divisors of 428200020

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 43 45 54 60 81 86 90 108 129 135 162 172 180 215 243 258 270 324 387 405 430 486 516 540 645 683 729 774 810 860 972 1161 1215 1290 1366 1458 1548 1620 1935 2049 2322 2430 2580 2732 2916 3415 3483 3645 3870 4098 4644 4860 5805 6147 6830 6966 7290 7740 8196 10245 10449 11610 12294 13660 13932 14580 17415 18441 20490 20898 23220 24588 29369 30735 31347 34830 36882 40980 41796 52245 55323 58738 61470 62694 69660 73764 88107 92205 104490 110646 117476 122940 125388 146845 156735 165969 176214 184410 208980 221292 264321 276615 293690 313470 331938 352428 368820 440535 497907 528642 553230 587380 626940 663876 792963 829845 881070 995814 1057284 1106460 1321605 1585926 1659690 1762140 1991628 2378889 2489535 2643210 3171852 3319380 3964815 4757778 4979070 5286420 7136667 7929630 9515556 9958140 11894445 14273334 15859260 21410001 23788890 28546668 35683335 42820002 47577780 71366670 85640004 107050005 142733340 214100010 428200020
• Sum of all divisors σ(n): 1381586976
• Sum of proper divisors (its aliquot sum) s(n): 953386956
• 428200020 is an abundant number, because the sum of its proper divisors (953386956) is greater than itself. Its abundance is 525186936

Bases of 428200020

• Binary: 11001100001011101000001010100₂
• Hexadecimal: 0x1985D054
• Base-36: 72XT90

Squares and roots of 428200020

• 428200020 squared (428200020²) is 183355257128000400
• 428200020 cubed (428200020³) is 78512724769314913840008000
• The square root of 428200020 is 20692.9944667271
• The cube root of 428200020 is 753.7295828731

Scales and comparisons

• 428,200,020 seconds is equal to 13 years, 32 weeks, 27 minutes.
• To count from 1 to 428,200,020 would take you about twenty 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 428200020 cubic inches would be around 62.8 feet tall.

Recreational maths with 428200020

• 428200020 backwards is 020002824
• 428200020 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 428200020's digits is 18
• More coming soon!