668742516736

Names of 668742516736

• Cardinal: 668742516736 can be written as Six hundred sixty-eight billion, seven hundred forty-two million, five hundred sixteen thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 6.68742516736 × 10¹¹

Factors of 668742516736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 248

Divisors of 668742516736

• Number of divisors d(n): 408
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 43 49 56 58 64 86 98 112 116 128 167 172 196 203 224 232 256 301 334 344 392 406 448 464 512 602 668 688 784 812 896 928 1024 1169 1204 1247 1336 1376 1421 1568 1624 1792 1856 2048 2107 2338 2408 2494 2672 2752 2842 3136 3248 3584 3712 4096 4214 4676 4816 4843 4988 5344 5504 5684 6272 6496 7168 7181 7424 8183 8192 8428 8729 9352 9632 9686 9976 10688 11008 11368 12544 12992 14336 14362 14848 16366 16384 16856 17458 18704 19264 19372 19952 21376 22016 22736 25088 25984 28672 28724 29696 32732 32768 33712 33901 34916 37408 38528 38744 39904 42752 44032 45472 50176 50267 51968 57344 57448 59392 61103 65464 65536 67424 67802 69832 74816 77056 77488 79808 85504 88064 90944 100352 100534 103936 114688 114896 118784 122206 130928 134848 135604 139664 149632 154112 154976 159616 171008 176128 181888 200704 201068 207872 208249 229376 229792 237307 237568 244412 261856 269696 271208 279328 299264 308224 309952 319232 342016 351869 352256 363776 401408 402136 415744 416498 458752 459584 474614 475136 488824 523712 539392 542416 558656 598528 616448 619904 638464 684032 703738 704512 727552 802816 804272 831488 832996 919168 949228 950272 977648 1047424 1078784 1084832 1117312 1197056 1232896 1239808 1276928 1368064 1407476 1409024 1455104 1457743 1605632 1608544 1662976 1665992 1838336 1898456 1900544 1955296 2094848 2157568 2169664 2234624 2394112 2465792 2479616 2553856 2736128 2814952 2818048 2910208 2915486 3211264 3217088 3325952 3331984 3676672 3796912 3910592 4189696 4315136 4339328 4469248 4788224 4931584 4959232 5107712 5472256 5629904 5820416 5830972 6434176 6651904 6663968 7353344 7593824 7821184 8379392 8630272 8678656 8938496 9576448 9863168 9918464 10204201 10215424 10944512 11259808 11640832 11661944 12868352 13303808 13327936 14706688 15187648 15642368 16758784 17260544 17357312 17876992 19152896 19726336 19836928 20408402 20430848 22519616 23281664 23323888 25736704 26655872 29413376 30375296 31284736 33517568 34521088 34714624 35753984 38305792 39673856 40816804 40861696 45039232 46563328 46647776 51473408 53311744 58826752 60750592 62569472 67035136 69042176 69429248 71507968 76611584 79347712 81633608 81723392 90078464 93126656 93295552 102946816 106623488 117653504 121501184 125138944 134070272 138084352 138858496 143015936 158695424 163267216 180156928 186591104 205893632 213246976 235307008 243002368 250277888 268140544 277716992 286031872 317390848 326534432 360313856 373182208 411787264 426493952 470614016 486004736 500555776 536281088 555433984 572063744 653068864 720627712 746364416 823574528 852987904 972009472 1001111552 1110867968 1306137728 1441255424 1492728832 1647149056 1705975808 1944018944 2002223104 2221735936 2612275456 2882510848 2985457664 3294298112 3411951616 3888037888 4004446208 5224550912 5765021696 5970915328 6823903232 7776075776 10449101824 11530043392 11941830656 13647806464 15552151552 20898203648 23060086784 23883661312 41796407296 47767322624 83592814592 95534645248 167185629184 334371258368 668742516736
• Sum of all divisors σ(n): 1656779382720
• Sum of proper divisors (its aliquot sum) s(n): 988036865984
• 668742516736 is an abundant number, because the sum of its proper divisors (988036865984) is greater than itself. Its abundance is 319294349248

Bases of 668742516736

• Binary: 1001101110110100001010010000000000000000₂
• Hexadecimal: 0x9BB4290000
• Base-36: 8J7S10CG

Squares and roots of 668742516736

• 668742516736 squared (668742516736²) is 447216553690399240093696
• 668742516736 cubed (668742516736³) is 299072723640918056380880179488096256
• The square root of 668742516736 is 817766.7862758917
• The cube root of 668742516736 is 8744.8623629697

Scales and comparisons

• 668,742,516,736 seconds is equal to 21,263 years, 49 weeks, 10 hours, 12 minutes, 16 seconds.
• To count from 1 to 668,742,516,736 would take you about forty-two thousand, five hundred twenty-seven 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 668742516736 cubic inches would be around 728.7 feet tall.

Recreational maths with 668742516736

• 668742516736 backwards is 637615247866
• The number of decimal digits it has is: 12
• The sum of 668742516736's digits is 61
• More coming soon!