420401268872

Names of 420401268872

• Cardinal: 420401268872 can be written as Four hundred twenty billion, four hundred one million, two hundred sixty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 4.20401268872 × 10¹¹

Factors of 420401268872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2643

Divisors of 420401268872

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 26 37 52 71 74 104 142 148 284 296 481 568 923 962 1039 1481 1846 1924 2078 2627 2962 3692 3848 4156 5254 5924 7384 8312 10508 11848 13507 19253 21016 27014 34151 38443 38506 54028 54797 68302 73769 76886 77012 105151 108056 109594 136604 147538 153772 154024 210302 219188 273208 295076 307544 420604 438376 499759 590152 712361 841208 958997 999518 1366963 1424722 1538759 1917994 1999036 2729453 2733926 2849444 3077518 3835988 3890587 3998072 5458906 5467852 5698888 6155036 7671976 7781174 10917812 10935704 12310072 15562348 20003867 21835624 31124696 35482889 40007734 50577631 56934083 70965778 80015468 101155262 109251889 113868166 141931556 160030936 202310524 218503778 227736332 283863112 404621048 437007556 455472664 740143079 874015112 1420274557 1480286158 2840549114 2960572316 4042319893 5681098228 5921144632 8084639786 11362196456 16169279572 32338559144 52550158609 105100317218 210200634436 420401268872
• Sum of all divisors σ(n): 885557836800
• Sum of proper divisors (its aliquot sum) s(n): 465156567928
• 420401268872 is an abundant number, because the sum of its proper divisors (465156567928) is greater than itself. Its abundance is 44755299056

Bases of 420401268872

• Binary: 110000111100001110111100100100010001000₂
• Hexadecimal: 0x61E1DE4888
• Base-36: 5D4O2748

Squares and roots of 420401268872

• 420401268872 squared (420401268872²) is 176737226869187636152384
• 420401268872 cubed (420401268872³) is 74300554432725014198316493547790848
• The square root of 420401268872 is 648383.5815873193
• The cube root of 420401268872 is 7491.2565894981

Scales and comparisons

• 420,401,268,872 seconds is equal to 13,367 years, 23 weeks, 6 days, 10 hours, 14 minutes, 32 seconds.
• To count from 1 to 420,401,268,872 would take you about twenty-six thousand, seven hundred thirty-four 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 420401268872 cubic inches would be around 624.3 feet tall.

Recreational maths with 420401268872

• 420401268872 backwards is 278862104024
• The number of decimal digits it has is: 12
• The sum of 420401268872's digits is 44
• More coming soon!