661468332672

Names of 661468332672

• Cardinal: 661468332672 can be written as Six hundred sixty-one billion, four hundred sixty-eight million, three hundred thirty-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.61468332672 × 10¹¹

Factors of 661468332672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 95

Divisors of 661468332672

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 83 84 96 98 108 112 126 128 144 147 162 166 168 189 192 196 216 224 243 249 252 288 294 324 332 336 343 378 384 392 432 441 448 486 498 504 567 576 581 588 648 664 672 686 729 747 756 784 864 882 896 972 996 1008 1029 1134 1152 1162 1176 1296 1323 1328 1344 1372 1458 1494 1512 1568 1701 1728 1743 1764 1944 1992 2016 2058 2187 2241 2268 2324 2352 2592 2646 2656 2688 2744 2916 2988 3024 3087 3136 3402 3456 3486 3528 3888 3969 3984 4032 4067 4116 4374 4482 4536 4648 4704 5103 5184 5229 5292 5312 5488 5832 5976 6048 6174 6272 6723 6804 6889 6972 7056 7776 7938 7968 8064 8134 8232 8748 8964 9072 9261 9296 9408 10206 10368 10458 10584 10624 10976 11664 11907 11952 12096 12201 12348 13446 13608 13778 13944 14112 15309 15552 15687 15876 15936 16268 16464 17496 17928 18144 18522 18592 18816 20169 20412 20667 20916 21168 21952 23328 23814 23904 24192 24402 24696 26892 27216 27556 27783 27888 28224 28469 30618 31104 31374 31752 31872 32536 32928 34992 35721 35856 36288 36603 37044 37184 40338 40824 41334 41832 42336 43904 46656 47061 47628 47808 48223 48804 49392 53784 54432 55112 55566 55776 56448 56938 60507 61236 62001 62748 63504 65072 65856 69984 71442 71712 72576 73206 74088 74368 80676 81648 82668 83349 83664 84672 85407 93312 94122 95256 95616 96446 97608 98784 107163 107568 108864 109809 110224 111132 111552 113876 121014 122472 124002 125496 127008 130144 131712 139968 141183 142884 143424 144669 146412 148176 161352 163296 165336 166698 167328 169344 170814 181521 186003 188244 190512 192892 195216 197568 214326 215136 217728 219618 220448 222264 223104 227752 242028 244944 248004 250047 250992 254016 256221 260288 279936 282366 285768 286848 289338 292824 296352 322704 326592 329427 330672 333396 334656 337561 341628 363042 372006 376488 381024 385784 390432 395136 423549 428652 430272 434007 439236 440896 444528 455504 484056 489888 496008 500094 501984 508032 512442 520576 558009 564732 571536 578676 585648 592704 645408 653184 658854 661344 666792 669312 675122 683256 726084 744012 750141 752976 762048 768663 771568 780864 847098 857304 860544 868014 878472 881792 889056 911008 968112 979776 988281 992016 1000188 1003968 1012683 1024884 1116018 1129464 1143072 1157352 1171296 1185408 1270647 1290816 1302021 1317708 1322688 1333584 1350244 1366512 1452168 1488024 1500282 1505952 1524096 1537326 1543136 1561728 1674027 1694196 1714608 1736028 1756944 1778112 1822016 1936224 1959552 1976562 1984032 2000376 2007936 2025366 2049768 2232036 2258928 2286144 2305989 2314704 2342592 2362927 2541294 2581632 2604042 2635416 2645376 2667168 2700488 2733024 2904336 2964843 2976048 3000564 3011904 3038049 3074652 3086272 3348054 3388392 3429216 3472056 3513888 3556224 3644032 3872448 3906063 3953124 3968064 4000752 4050732 4099536 4464072 4517856 4572288 4611978 4629408 4685184 4725854 5022081 5082588 5208084 5270832 5334336 5400976 5466048 5808672 5929686 5952096 6001128 6023808 6076098 6149304 6172544 6696108 6776784 6858432 6917967 6944112 7027776 7088781 7744896 7812126 7906248 7936128 8001504 8101464 8199072 8894529 8928144 9035712 9114147 9223956 9258816 9451708 10044162 10165176 10416168 10541664 10668672 10801952 10932096 11617344 11718189 11859372 11904192 12002256 12152196 12298608 13392216 13553568 13716864 13835934 13888224 14055552 14177562 15066243 15624252 15812496 16003008 16202928 16398144 17789058 17856288 18071424 18228294 18447912 18517632 18903416 20088324 20330352 20753901 20832336 21083328 21266343 21603904 23234688 23436378 23718744 23808384 24004512 24304392 24597216 26784432 27107136 27342441 27671868 27776448 28355124 30132486 31248504 31624992 32006016 32405856 32796288 35154567 35578116 35712576 36456588 36895824 37806832 40176648 40660704 41507802 41664672 42166656 42532686 43207808 46872756 47437488 48009024 48608784 49194432 53568864 54214272 54684882 55343736 55552896 56710248 60264972 62261703 62497008 63249984 63799029 64811712 70309134 71156232 71425152 72913176 73791648 75613664 80353296 81321408 82027323 83015604 83329344 85065372 93745512 94874976 96018048 97217568 98388864 105463701 107137728 109369764 110687472 113420496 120529944 124523406 124994016 126499968 127598058 129623424 140618268 142312464 145826352 147583296 151227328 160706592 162642816 164054646 166031208 166658688 170130744 187491024 189749952 191397087 194435136 210927402 214275456 218739528 221374944 226840992 241059888 246081969 249046812 249988032 255196116 281236536 284624928 291652704 295166592 302454656 321413184 328109292 332062416 340261488 374982048 379499904 382794174 388870272 421854804 437479056 442749888 453681984 482119776 492163938 498093624 499976064 510392232 562473072 569249856 574191261 583305408 642826368 656218584 664124832 680522976 738245907 749964096 765588348 843709608 874958112 885499776 907363968 964239552 984327876 996187248 1020784464 1124946144 1138499712 1148382522 1166610816 1312437168 1328249664 1361045952 1476491814 1499928192 1531176696 1687419216 1722573783 1749916224 1928479104 1968655752 1992374496 2041568928 2249892288 2296765044 2624874336 2656499328 2722091904 2952983628 3062353392 3374838432 3445147566 3499832448 3937311504 3984748992 4083137856 4499784576 4593530088 5167721349 5249748672 5905967256 6124706784 6749676864 6890295132 7874623008 7969497984 8166275712 9187060176 10335442698 10499497344 11811934512 12249413568 13499353728 13780590264 15749246016 18374120352 20670885396 23623869024 24498827136 27561180528 31498492032 36748240704 41341770792 47247738048 55122361056 73496481408 82683541584 94495476096 110244722112 165367083168 220489444224 330734166336 661468332672
• Sum of all divisors σ(n): 2332886880000
• Sum of proper divisors (its aliquot sum) s(n): 1671418547328
• 661468332672 is an abundant number, because the sum of its proper divisors (1671418547328) is greater than itself. Its abundance is 1009950214656

Bases of 661468332672

• Binary: 1001101000000010100101011100001010000000₂
• Hexadecimal: 0x9A0295C280
• Base-36: 8FVH6000

Squares and roots of 661468332672

• 661468332672 squared (661468332672²) is 437540355127875662659584
• 661468332672 cubed (661468332672³) is 289419089183150679928762157601128448
• The square root of 661468332672 is 813307.0346873929
• The cube root of 661468332672 is 8713.0395590315

Scales and comparisons

• 661,468,332,672 seconds is equal to 21,032 years, 33 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 661,468,332,672 would take you about forty-two thousand and sixty-five 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 661468332672 cubic inches would be around 726.1 feet tall.

Recreational maths with 661468332672

• 661468332672 backwards is 276233864166
• 661468332672 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 661468332672's digits is 54
• More coming soon!