642464242101

Names of 642464242101

• Cardinal: 642464242101 can be written as Six hundred forty-two billion, four hundred sixty-four million, two hundred forty-two thousand, one hundred one.

Scientific notation

• Scientific notation: 6.42464242101 × 10¹¹

Factors of 642464242101

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1614

Divisors of 642464242101

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 19 31 33 57 93 99 171 209 279 341 361 589 627 631 919 1023 1083 1767 1881 1893 2757 3069 3249 3971 5301 5679 6479 6941 8271 10109 11191 11913 11989 17461 19437 19561 20823 28489 30327 33573 35739 35967 52383 58311 58683 62469 85467 90981 100719 107901 123101 131879 157149 176049 192071 215171 227791 256401 313379 331759 369303 371659 395637 541291 576213 579889 645513 683373 940137 995277 1107909 1114977 1186911 1623873 1728639 1739667 1936539 2050119 2505701 2820411 2985831 3344931 3649349 4088249 4871619 5219001 5954201 6378779 7061521 7517103 10284529 10948047 11017891 12264747 17862603 17976559 19136337 21184563 22551309 30853587 32844141 33053673 36794241 53587809 53929677 57409011 63553689 77676731 92560761 99161019 113129819 121196801 161789031 197742149 209339929 233030193 339389457 341554621 363590403 593226447 628019787 699090579 1018168371 1024663863 1090771209 1779679341 1884059361 2302739219 3073991589 3757100831 6489537799 6908217657 11271302493 19468613397 20724652971 33813907479 58405840191 71384915789 214154747367 642464242101
• Sum of all divisors σ(n): 1105870970880
• Sum of proper divisors (its aliquot sum) s(n): 463406728779
• 642464242101 is a deficient number, because the sum of its proper divisors (463406728779) is less than itself. Its deficiency is 179057513322

Bases of 642464242101

• Binary: 1001010110010101110110100101100110110101₂
• Hexadecimal: 0x9595DA59B5
• Base-36: 8756MDV9

Squares and roots of 642464242101

• 642464242101 squared (642464242101²) is 412760302378412340894201
• 642464242101 cubed (642464242101³) is 265183734836926272296258094090956301
• The square root of 642464242101 is 801538.6716191553
• The cube root of 642464242101 is 8628.7851127463

Scales and comparisons

• 642,464,242,101 seconds is equal to 20,428 years, 19 weeks, 3 days, 17 hours, 28 minutes, 21 seconds.
• To count from 1 to 642,464,242,101 would take you about forty thousand, eight hundred fifty-six 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 642464242101 cubic inches would be around 719.1 feet tall.

Recreational maths with 642464242101

• 642464242101 backwards is 101242464246
• The number of decimal digits it has is: 12
• The sum of 642464242101's digits is 36
• More coming soon!