668462813568

Names of 668462813568

• Cardinal: 668462813568 can be written as Six hundred sixty-eight billion, four hundred sixty-two million, eight hundred thirteen thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 6.68462813568 × 10¹¹

Factors of 668462813568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 285

Divisors of 668462813568

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 108 128 132 144 162 176 192 198 216 243 264 269 288 297 324 352 384 396 432 486 528 538 576 594 648 704 729 792 807 864 891 972 1056 1076 1152 1188 1296 1408 1458 1584 1614 1728 1782 1944 2112 2152 2187 2376 2421 2592 2673 2916 2959 3168 3228 3456 3564 3888 4224 4304 4374 4752 4842 5184 5346 5832 5918 6336 6456 6561 7128 7263 7776 8019 8608 8748 8877 9504 9684 10368 10692 11664 11836 12672 12912 13122 14256 14526 15552 16038 17216 17496 17754 19008 19368 21384 21789 23328 23672 24057 25824 26244 26631 28512 29052 31104 32076 34432 34992 35508 38016 38736 42768 43578 46656 47344 48114 51648 52488 53262 57024 58104 64152 65367 69984 71016 72171 72361 77472 79893 85536 87156 93312 94688 96228 103296 104976 106524 114048 116208 128304 130734 139968 142032 144342 144722 154944 159786 171072 174312 189376 192456 196101 209952 213048 217083 232416 239679 256608 261468 279936 284064 288684 289444 309888 319572 342144 348624 378752 384912 392202 419904 426096 434166 464832 479358 513216 522936 568128 577368 578888 588303 639144 651249 697248 719037 769824 784404 795971 839808 852192 868332 929664 958716 1026432 1045872 1136256 1154736 1157776 1176606 1278288 1302498 1394496 1438074 1539648 1568808 1591942 1704384 1736664 1764909 1917432 1953747 2091744 2157111 2309472 2315552 2353212 2387913 2556576 2604996 2788992 2876148 3079296 3137616 3183884 3408768 3473328 3529818 3834864 3907494 4183488 4314222 4618944 4631104 4706424 4775826 5113152 5209992 5752296 5861241 6275232 6367768 6471333 6946656 7059636 7163739 7669728 7814988 8366976 8628444 9237888 9262208 9412848 9551652 10226304 10419984 11504592 11722482 12550464 12735536 12942666 13893312 14119272 14327478 15339456 15629976 17256888 17583723 18825696 19103304 19413999 20839968 21491217 23009184 23444964 25100928 25471072 25885332 27786624 28238544 28654956 30678912 31259952 34513776 35167446 37651392 38206608 38827998 41679936 42982434 46018368 46889928 50942144 51770664 52751169 56477088 57309912 62519904 64473651 69027552 70334892 75302784 76413216 77655996 83359872 85964868 92036736 93779856 101884288 103541328 105502338 112954176 114619824 125039808 128947302 138055104 140669784 152826432 155311992 158253507 171929736 187559712 193420953 207082656 211004676 225908352 229239648 250079616 257894604 276110208 281339568 305652864 310623984 316507014 343859472 375119424 386841906 414165312 422009352 458479296 474760521 515789208 562679136 580262859 621247968 633014028 687718944 750238848 773683812 828330624 844018704 916958592 949521042 1031578416 1125358272 1160525718 1242495936 1266028056 1375437888 1547367624 1688037408 1740788577 1899042084 2063156832 2250716544 2321051436 2484991872 2532056112 2750875776 3094735248 3376074816 3481577154 3798084168 4126313664 4642102872 5064112224 5222365731 6189470496 6752149632 6963154308 7596168336 8252627328 9284205744 10128224448 10444731462 12378940992 13926308616 15192336672 18568411488 20256448896 20889462924 24757881984 27852617232 30384673344 37136822976 41778925848 55705234464 60769346688 74273645952 83557851696 111410468928 167115703392 222820937856 334231406784 668462813568
• Sum of all divisors σ(n): 2187170713260
• Sum of proper divisors (its aliquot sum) s(n): 1518707899692
• 668462813568 is an abundant number, because the sum of its proper divisors (1518707899692) is greater than itself. Its abundance is 850245086124

Bases of 668462813568

• Binary: 1001101110100011011111010001000110000000₂
• Hexadecimal: 0x9BA37D1180
• Base-36: 8J35I000

Squares and roots of 668462813568

• 668462813568 squared (668462813568²) is 446842533123246724890624
• 668462813568 cubed (668462813568³) is 298697616913417740227427776103186432
• The square root of 668462813568 is 817595.7519263417
• The cube root of 668462813568 is 8743.6430063739

Scales and comparisons

• 668,462,813,568 seconds is equal to 21,255 years, 2 weeks, 4 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 668,462,813,568 would take you about forty-two thousand, five hundred ten 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 668462813568 cubic inches would be around 728.6 feet tall.

Recreational maths with 668462813568

• 668462813568 backwards is 865318264866
• The number of decimal digits it has is: 12
• The sum of 668462813568's digits is 63
• More coming soon!