813435712768

Names of 813435712768

• Cardinal: 813435712768 can be written as Eight hundred thirteen billion, four hundred thirty-five million, seven hundred twelve thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 8.13435712768 × 10¹¹

Factors of 813435712768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1932

Divisors of 813435712768

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 79 98 112 128 158 196 224 256 316 392 448 553 632 751 784 896 1093 1106 1264 1502 1568 1792 2186 2212 2528 3004 3136 3871 4372 4424 5056 5257 6008 6272 7651 7742 8744 8848 10112 10514 12016 12544 15302 15484 17488 17696 20224 21028 24032 30604 30968 34976 35392 36799 42056 48064 53557 59329 61208 61936 69952 70784 73598 84112 86347 96128 107114 118658 122416 123872 139904 141568 147196 168224 172694 192256 214228 237316 244832 247744 279808 294392 336448 345388 415303 428456 474632 489664 495488 588784 604429 672896 690776 820843 830606 856912 949264 979328 990976 1177568 1208858 1345792 1381552 1641686 1661212 1713824 1898528 1958656 2355136 2417716 2763104 2907121 3283372 3322424 3427648 3797056 4231003 4710272 4835432 5526208 5745901 5814242 6566744 6644848 6855296 7594112 8462006 9420544 9670864 11052416 11491802 11628484 13133488 13289696 13710592 15188224 16924012 19341728 22104832 22983604 23256968 26266976 26579392 33848024 38683456 40221307 45967208 46513936 52533952 53158784 64846597 67696048 77366912 80442614 91934416 93027872 105067904 106317568 129693194 135392096 154733824 160885228 183868832 186055744 210135808 259386388 270784192 321770456 367737664 372111488 453926179 518772776 541568384 643540912 735475328 744222976 907852358 1037545552 1083136768 1287081824 1470950656 1815704716 2075091104 2574163648 3177483253 3631409432 4150182208 5148327296 6354966506 7262818864 8300364416 10296654592 12709933012 14525637728 16600728832 25419866024 29051275456 50839732048 58102550912 101679464096 116205101824 203358928192 406717856384 813435712768
• Sum of all divisors σ(n): 1916994670080
• Sum of proper divisors (its aliquot sum) s(n): 1103558957312
• 813435712768 is an abundant number, because the sum of its proper divisors (1103558957312) is greater than itself. Its abundance is 290123244544

Bases of 813435712768

• Binary: 1011110101100100100010111111010100000000₂
• Hexadecimal: 0xBD648BF500
• Base-36: ADOQMCXS

Squares and roots of 813435712768

• 813435712768 squared (813435712768²) is 661677658806384198221824
• 813435712768 cubed (813435712768³) is 538232238013832642389421603613048832
• The square root of 813435712768 is 901906.7095703413
• The cube root of 813435712768 is 9334.8586289381

Scales and comparisons

• 813,435,712,768 seconds is equal to 25,864 years, 38 weeks, 3 days, 4 hours, 39 minutes, 28 seconds.
• To count from 1 to 813,435,712,768 would take you about fifty-one thousand, seven hundred twenty-nine 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 813435712768 cubic inches would be around 777.9 feet tall.

Recreational maths with 813435712768

• 813435712768 backwards is 867217534318
• The number of decimal digits it has is: 12
• The sum of 813435712768's digits is 55
• More coming soon!