642163598154424800

Names of 642163598154424800

• Cardinal: 642163598154424800 can be written as Six hundred forty-two quadrillion, one hundred sixty-three trillion, five hundred ninety-eight billion, one hundred fifty-four million, four hundred twenty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 6.421635981544248 × 10¹⁷

Factors of 642163598154424800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 29729796210863

Divisors of 642163598154424800

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 90 96 100 108 120 135 144 150 160 180 200 216 225 240 270 288 300 360 400 432 450 480 540 600 675 720 800 864 900 1080 1200 1350 1440 1800 2160 2400 2700 3600 4320 5400 7200 10800 21600 29729796210853 59459592421706 89189388632559 118919184843412 148648981054265 178378777265118 237838369686824 267568165897677 297297962108530 356757554530236 445946943162795 475676739373648 535136331795354 594595924217060 713515109060472 743244905271325 802704497693031 891893886325590 951353478747296 1070272663590708 1189191848434120 1337840829488385 1427030218120944 1486489810542650 1605408995386062 1783787772651180 2140545327181416 2229734715813975 2378383696868240 2675681658976770 2854060436241888 2972979621085300 3210817990772124 3567575545302360 4013522488465155 4281090654362832 4459469431627950 4756767393736480 5351363317953540 5945959242170600 6421635981544248 6689204147441925 7135151090604720 8027044976930310 8562181308725664 8918938863255900 10702726635907080 11891918484341200 12843271963088496 13378408294883850 14270302181209440 16054089953860620 17837877726511800 20067612442325775 21405453271814160 23783836968682400 25686543926176992 26756816589767700 32108179907721240 35675755453023600 40135224884651550 42810906543628320 53513633179535400 64216359815442480 71351510906047200 80270449769303100 107027266359070800 128432719630884960 160540899538606200 214054532718141600 321081799077212400 642163598154424800
• Sum of all divisors σ(n): 2322491679991914480
• Sum of proper divisors (its aliquot sum) s(n): 1680328081837489680
• 642163598154424800 is an abundant number, because the sum of its proper divisors (1680328081837489680) is greater than itself. Its abundance is 1038164483683064880

Bases of 642163598154424800

• Binary: 100011101001011011000110001111100011101011100110000111100000₂
• Hexadecimal: 0x8E96C63E3AE61E0
• Base-36: 4VMZZWE0DKO0

Squares and roots of 642163598154424800

• 642163598154424800 squared (642163598154424800²) is 412374086794637574400707818855040000
• 642163598154424800 cubed (642163598154424800³) is 264811627361689537761595775201999151619045780992000000
• The square root of 642163598154424800 is 801351107.9136440553
• The cube root of 642163598154424800 is 862743.8943522293

Scales and comparisons

• 642,163,598,154,424,800 seconds is equal to 20,418,816,078 years, 45 weeks, 6 days, 6 hours.
• To count from 1 to 642,163,598,154,424,800 would take you about sixty-one billion, two hundred fifty-six million, four hundred forty-eight thousand, two hundred thirty-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 642163598154424800 cubic inches would be around 71895.3 feet tall.

Recreational maths with 642163598154424800

• 642163598154424800 backwards is 008424451895361246
• 642163598154424800 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 642163598154424800's digits is 72
• More coming soon!