666421421835400

Names of 666421421835400

• Cardinal: 666421421835400 can be written as Six hundred sixty-six trillion, four hundred twenty-one billion, four hundred twenty-one million, eight hundred thirty-five thousand, four hundred.

Scientific notation

• Scientific notation: 6.664214218354 × 10¹⁴

Factors of 666421421835400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 142296

Divisors of 666421421835400

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 140 154 175 200 220 275 280 281 308 350 385 440 550 562 616 700 770 1093 1100 1124 1400 1405 1540 1925 1967 2186 2200 2248 2810 3080 3091 3850 3934 4372 5465 5620 6182 7025 7651 7700 7868 8744 9835 10930 11240 12023 12364 14050 15302 15400 15455 15736 19670 21637 21860 24046 24728 27325 28100 30604 30910 38255 39340 43274 43720 48092 49175 54650 56200 60115 61208 61820 76510 77275 78680 84161 86548 96184 98350 108185 109300 120230 123640 140897 153020 154550 168322 173096 191275 196700 216370 218600 240460 281794 300575 306040 307133 309100 336644 382550 393400 420805 432740 480920 540925 563588 601150 614266 618200 673288 704485 765100 841610 865480 986279 1081850 1127176 1202300 1228532 1408970 1530200 1535665 1549867 1683220 1972558 2104025 2149931 2163700 2404600 2457064 2817940 3071330 3099734 3366440 3378463 3522425 3945116 4208050 4299862 4327400 4931395 5635880 6142660 6199468 6756926 7044850 7678325 7749335 7890232 8416100 8599724 9862790 10749655 10849069 12285320 12398936 13513852 14089700 15356650 15498670 16832200 16892315 17199448 19725580 21499310 21698138 23649241 24656975 27027704 28179400 30713300 30997340 33784630 38746675 39451160 39592057 42998620 43396276 47298482 49313950 53748275 54245345 61426600 61994680 67569260 77493350 79184114 84461575 85997240 86792552 94596964 98627900 107496550 108490690 118246205 135138520 154000421 154986700 158368228 168923150 189193928 197255800 197960285 214993100 216981380 236492410 271226725 277144399 308000842 309973400 316736456 337846300 395920570 429986200 433962760 435512627 472984820 542453450 554288798 591231025 616001684 675692600 770002105 791841140 871025254 945969640 989801425 1078002947 1084906900 1108577596 1182462050 1232003368 1385721995 1540004210 1583682280 1694004631 1742050508 1979602850 2156005894 2169813800 2177563135 2217155192 2364924100 2771443990 3048588389 3080008420 3388009262 3484101016 3850010525 3959205700 4312011788 4355126270 4729848200 5390014735 5542887980 6097176778 6160016840 6776018524 6928609975 7700021050 7918411400 8470023155 8624023576 8710252540 10780029470 10887815675 11085775960 11858032417 12194353556 13552037048 13857219950 15242941945 15400042100 16940046310 17420505080 21560058940 21775631350 23716064834 24388707112 26950073675 27714439900 30485883890 30800084200 33880092620 42350115775 43120117880 43274118301 43551262700 47432129668 53900147350 55428879800 59290162085 60971767780 67760185240 76214709725 84700231550 86548236602 87102525400 94864259336 107800294700 118580324170 121943535560 152429419450 169400463100 173096473204 215600589400 216370591505 237160648340 296450810425 302918828107 304858838900 338800926200 346192946408 432741183010 474321296680 476015301311 592901620850 605837656214 609717677800 865482366020 952030602622 1081852957525 1185803241700 1211675312428 1514594140535 1730964732040 1904061205244 2163705915050 2371606483400 2380076506555 2423350624856 3029188281070 3332107109177 3808122410488 4327411830100 4760153013110 6058376562140 6664214218354 7572970702675 8654823660200 9520306026220 11900382532775 12116753124280 13328428436708 15145941405350 16660535545885 19040612052440 23800765065550 26656856873416 30291882810700 33321071091770 47601530131100 60583765621400 66642142183540 83302677729425 95203060262200 133284284367080 166605355458850 333210710917700 666421421835400
• Sum of all divisors σ(n): 1940418670613760
• Sum of proper divisors (its aliquot sum) s(n): 1273997248778360
• 666421421835400 is an abundant number, because the sum of its proper divisors (1273997248778360) is greater than itself. Its abundance is 607575826942960

Bases of 666421421835400

• Binary: 10010111100001101101010100000111101000010010001000₂
• Hexadecimal: 0x25E1B541E8488
• Base-36: 6K85RW2I6G

Squares and roots of 666421421835400

• 666421421835400 squared (666421421835400²) is 444117511481116151904693160000
• 666421421835400 cubed (666421421835400³) is 295969423463245009709701905557361025864000000
• The square root of 666421421835400 is 25815139.3921357705
• The cube root of 666421421835400 is 87347.3331051397

Scales and comparisons

• 666,421,421,835,400 seconds is equal to 21,190,139 years, 43 weeks, 3 days, 20 hours, 56 minutes, 40 seconds.
• To count from 1 to 666,421,421,835,400 would take you about fifty-two million, nine hundred seventy-five thousand, three hundred forty-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 666421421835400 cubic inches would be around 7278.9 feet tall.

Recreational maths with 666421421835400

• 666421421835400 backwards is 004538124124666
• The number of decimal digits it has is: 15
• The sum of 666421421835400's digits is 52
• More coming soon!