813387828256001280

Names of 813387828256001280

• Cardinal: 813387828256001280 can be written as Eight hundred thirteen quadrillion, three hundred eighty-seven trillion, eight hundred twenty-eight billion, two hundred fifty-six million, one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 8.1338782825600128 × 10¹⁷

Factors of 813387828256001280

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 23535527437973

Divisors of 813387828256001280

• 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 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 540 576 640 720 768 864 960 1080 1152 1280 1440 1728 1920 2160 2304 2880 3456 3840 4320 5760 6912 8640 11520 17280 34560 23535527437963 47071054875926 70606582313889 94142109751852 117677637189815 141213164627778 188284219503704 211819746941667 235355274379630 282426329255556 353032911569445 376568439007408 423639493883334 470710548759260 564852658511112 635459240825001 706065823138890 753136878014816 847278987766668 941421097518520 1059098734708335 1129705317022224 1270918481650002 1412131646277780 1506273756029632 1694557975533336 1882842195037040 2118197469416670 2259410634044448 2541836963300004 2824263292555560 3012547512059264 3177296204125005 3389115951066672 3765684390074080 4236394938833340 4518821268088896 5083673926600008 5648526585111120 6025095024118528 6354592408250010 6778231902133344 7531368780148160 8472789877666680 9037642536177792 10167347853200016 11297053170222240 12709184816500020 13556463804266688 15062737560296320 16945579755333360 18075285072355584 20334695706400032 22594106340444480 25418369633000040 27112927608533376 30125475120592640 33891159510666720 40669391412800064 45188212680888960 50836739266000080 54225855217066752 67782319021333440 81338782825600128 90376425361777920 101673478532000160 135564638042666880 162677565651200256 203346957064000320 271129276085333760 406693914128000640 813387828256001280
• Sum of all divisors σ(n): 2886397084991904960
• Sum of proper divisors (its aliquot sum) s(n): 2073009256735903680
• 813387828256001280 is an abundant number, because the sum of its proper divisors (2073009256735903680) is greater than itself. Its abundance is 1259621428479902400

Bases of 813387828256001280

• Binary: 101101001001101110111110101110010111110100110100110100000000₂
• Hexadecimal: 0xB49BBEB97D34D00
• Base-36: 66GXX5SK8QO0

Squares and roots of 813387828256001280

• 813387828256001280 squared (813387828256001280²) is 661599759155014234274376335361638400
• 813387828256001280 cubed (813387828256001280³) is 538137191273790528516893485866862865751683893297152000
• The square root of 813387828256001280 is 901880162.9130121187
• The cube root of 813387828256001280 is 933467.5453666921

Scales and comparisons

• 813,387,828,256,001,280 seconds is equal to 25,863,216,964 years, 41 weeks, 2 days, 4 hours, 48 minutes.
• To count from 1 to 813,387,828,256,001,280 would take you about seventy-seven billion, five hundred eighty-nine million, six hundred fifty thousand, eight hundred ninety-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 813387828256001280 cubic inches would be around 77789 feet tall.

Recreational maths with 813387828256001280

• 813387828256001280 backwards is 082100652828783318
• 813387828256001280 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 813387828256001280's digits is 72
• More coming soon!