421091085990

Names of 421091085990

• Cardinal: 421091085990 can be written as Four hundred twenty-one billion, ninety-one million, eighty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.2109108599 × 10¹¹

Factors of 421091085990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2614

Divisors of 421091085990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 30 53 106 159 265 281 318 530 547 562 795 843 1094 1405 1590 1641 1686 1723 2735 2810 3282 3446 4215 5169 5470 8205 8430 8615 10338 14893 16410 17230 25845 28991 29786 44679 51690 57982 74465 86973 89358 91319 144955 148930 153707 173946 182638 223395 273957 289910 307414 434865 446790 456595 461121 484163 547914 768535 869730 913190 922242 942481 968326 1369785 1452489 1537070 1884962 2305605 2420815 2739570 2827443 2904978 4611210 4712405 4841630 5654886 7262445 8146471 9424810 14137215 14524890 16292942 24439413 25660639 28274430 40732355 48878826 49951493 51321278 76981917 81464710 99902986 122197065 128303195 149854479 153963834 244394130 249757465 256606390 264837161 299708958 384909585 499514930 529674322 749272395 769819170 794511483 1324185805 1498544790 1589022966 2648371610 3972557415 7945114830 14036369533 28072739066 42109108599 70181847665 84218217198 140363695330 210545542995 421091085990
• Sum of all divisors σ(n): 1035841208832
• Sum of proper divisors (its aliquot sum) s(n): 614750122842
• 421091085990 is an abundant number, because the sum of its proper divisors (614750122842) is greater than itself. Its abundance is 193659036852

Bases of 421091085990

• Binary: 110001000001010111111000000111010100110₂
• Hexadecimal: 0x620AFC0EA6
• Base-36: 5DG2RDEU

Squares and roots of 421091085990

• 421091085990 squared (421091085990²) is 177317702700237574280100
• 421091085990 cubed (421091085990³) is 74666903995294995584610601445799000
• The square root of 421091085990 is 648915.3149602805
• The cube root of 421091085990 is 7495.3517033513

Scales and comparisons

• 421,091,085,990 seconds is equal to 13,389 years, 20 weeks, 3 days, 10 hours, 6 minutes, 30 seconds.
• To count from 1 to 421,091,085,990 would take you about twenty-six thousand, seven hundred seventy-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 421091085990 cubic inches would be around 624.6 feet tall.

Recreational maths with 421091085990

• 421091085990 backwards is 099580190124
• The number of decimal digits it has is: 12
• The sum of 421091085990's digits is 48
• More coming soon!