642426295225

Names of 642426295225

• Cardinal: 642426295225 can be written as Six hundred forty-two billion, four hundred twenty-six million, two hundred ninety-five thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 6.42426295225 × 10¹¹

Factors of 642426295225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 107

Divisors of 642426295225

• Number of divisors d(n): 243
• Complete list of divisors:
  1 5 11 13 19 25 55 59 65 95 121 143 169 209 247 275 295 325 361 475 605 649 715 767 845 1045 1121 1235 1475 1573 1805 1859 2299 2717 3025 3211 3245 3481 3575 3835 3971 4225 4693 5225 5605 6175 7139 7865 8437 9025 9295 9971 11495 12331 13585 14573 16055 16225 17405 19175 19855 20449 21299 23465 28025 29887 35321 35695 38291 39325 42185 43681 45253 46475 49855 51623 57475 61009 61655 66139 67925 72865 80275 87025 92807 99275 102245 106495 109681 117325 135641 149435 160303 176605 178475 189449 191455 210925 218405 226265 234289 249275 258115 276887 305045 308275 330695 364325 388531 421201 464035 497783 511225 532475 548405 567853 588289 671099 678205 727529 747175 801515 859807 883025 947245 957275 1092025 1131325 1171445 1206491 1256641 1290575 1384435 1525225 1653475 1763333 1942655 2083939 2106005 2320175 2488915 2577179 2742025 2839265 2941445 3045757 3355495 3391025 3599531 3637645 4007575 4299035 4736225 5475613 5857225 6032455 6283205 6471179 6922175 7382089 8002819 8816665 9457877 9713275 10419695 10530025 11177491 12444575 12885895 13823051 14196325 14707225 15228785 16336333 16777475 17997655 18188225 21495175 22923329 27378065 30162275 31416025 32355895 33503327 36910445 39594841 40014095 44083325 47289385 52098475 55887455 64429475 69115255 71182969 76143925 81681665 89988275 104036647 114616645 122952401 136890325 152053561 161779475 167516635 179699663 184552225 197974205 200070475 212372329 236446925 279437275 345576275 355914845 408408325 435543251 520183235 573083225 614762005 760267805 837583175 898498315 989871025 1061861645 1352476411 1779574225 1976696293 2177716255 2336095619 2600916175 3073810025 3801339025 4492491575 5309308225 6762382055 9883481465 10888581275 11680478095 25697051809 33811910275 49417407325 58402390475 128485259045 642426295225
• Sum of all divisors σ(n): 1017923936589
• Sum of proper divisors (its aliquot sum) s(n): 375497641364
• 642426295225 is a deficient number, because the sum of its proper divisors (375497641364) is less than itself. Its deficiency is 266928653861

Bases of 642426295225

• Binary: 1001010110010011100101110101001110111001₂
• Hexadecimal: 0x95939753B9
• Base-36: 874K11VD

Squares and roots of 642426295225

• 642426295225 squared (642426295225²) is 412711544796518857800625
• 642426295225 cubed (642426295225³) is 265136748720214236293704110439515625
• 642426295225 is a perfect square number. Its square root is 801515
• The cube root of 642426295225 is 8628.6152242323

Scales and comparisons

• 642,426,295,225 seconds is equal to 20,427 years, 8 weeks, 5 days, 12 hours, 40 minutes, 25 seconds.
• To count from 1 to 642,426,295,225 would take you about forty thousand, eight hundred fifty-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 642426295225 cubic inches would be around 719.1 feet tall.

Recreational maths with 642426295225

• 642426295225 backwards is 522592624246
• The number of decimal digits it has is: 12
• The sum of 642426295225's digits is 49
• More coming soon!