66708163872

Names of 66708163872

• Cardinal: 66708163872 can be written as Sixty-six billion, seven hundred eight million, one hundred sixty-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 6.6708163872 × 10¹⁰

Factors of 66708163872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1311

Divisors of 66708163872

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 73 84 96 108 112 126 139 144 146 168 189 216 219 224 252 278 288 292 336 378 417 432 438 504 511 556 584 657 672 756 834 864 876 973 1008 1022 1087 1112 1168 1251 1314 1512 1533 1668 1752 1946 1971 2016 2044 2174 2224 2336 2502 2628 2919 3024 3066 3261 3336 3504 3753 3892 3942 4088 4348 4448 4599 5004 5256 5838 6048 6132 6522 6672 7008 7506 7609 7784 7884 8176 8696 8757 9198 9783 10008 10147 10512 11676 12264 13044 13344 13797 15012 15218 15568 15768 16352 17392 17514 18396 19566 20016 20294 21024 22827 23352 24528 26088 26271 27594 29349 30024 30436 30441 31136 31536 34784 35028 36792 39132 40032 40588 45654 46704 49056 52176 52542 55188 58698 60048 60872 60882 63072 68481 70056 71029 73584 78264 79351 81176 91308 91323 93408 104352 105084 110376 117396 120096 121744 121764 136962 140112 142058 147168 151093 156528 158702 162352 182616 182646 205443 210168 213087 220752 234792 238053 243488 243528 273924 273969 280224 284116 302186 313056 317404 324704 365232 365292 410886 420336 426174 441504 453279 469584 476106 487056 547848 547938 555457 568232 604372 634808 639261 714159 730464 730584 821772 840672 852348 906558 939168 952212 974112 1057651 1095696 1095876 1110914 1136464 1208744 1269616 1278522 1359837 1428318 1461168 1643544 1666371 1704696 1813116 1904424 1917783 2115302 2142477 2191392 2191752 2221828 2272928 2417488 2539232 2557044 2719674 2856636 2922336 3172953 3287088 3332742 3409392 3626232 3808848 3835566 4079511 4230604 4284954 4383504 4443656 4834976 4999113 5114088 5439348 5713272 6345906 6574176 6665484 6818784 7252464 7617696 7671132 8159022 8461208 8569908 8767008 8887312 9518859 9998226 10228176 10878696 11029789 11426544 12691812 13330968 14504928 14997339 15342264 16318044 16922416 17139816 17774624 19037718 19996452 20456352 21757392 22059578 22853088 25383624 26661936 28556577 29994678 30684528 32636088 33089367 33844832 34279632 38075436 39992904 43514784 44119156 50767248 53323872 57113154 59989356 61369056 65272176 66178734 68559264 76150872 77208523 79985808 88238312 99268101 101534496 114226308 119978712 130544352 132357468 152301744 154417046 159971616 176476624 198536202 228452616 231625569 239957424 264714936 297804303 304603488 308834092 352953248 397072404 456905232 463251138 479914848 529429872 595608606 617668184 694876707 794144808 913810464 926502276 1058859744 1191217212 1235336368 1389753414 1588289616 1853004552 2084630121 2382434424 2470672736 2779506828 3176579232 3706009104 4169260242 4764868848 5559013656 7412018208 8338520484 9529737696 11118027312 16677040968 22236054624 33354081936 66708163872
• Sum of all divisors σ(n): 227237068800
• Sum of proper divisors (its aliquot sum) s(n): 160528904928
• 66708163872 is an abundant number, because the sum of its proper divisors (160528904928) is greater than itself. Its abundance is 93820741056

Bases of 66708163872

• Binary: 111110001000000111011100110100100000₂
• Hexadecimal: 0xF881DCD20
• Base-36: UN8BGO0

Squares and roots of 66708163872

• 66708163872 squared (66708163872²) is 4449979127173606032384
• 66708163872 cubed (66708163872³) is 296849936842476439401439610830848
• The square root of 66708163872 is 258279.2362386105
• The cube root of 66708163872 is 4055.6424704985

Scales and comparisons

• 66,708,163,872 seconds is equal to 2,121 years, 5 weeks, 6 days, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 66,708,163,872 would take you about four thousand, two hundred forty-two 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 66708163872 cubic inches would be around 338 feet tall.

Recreational maths with 66708163872

• 66708163872 backwards is 27836180766
• 66708163872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66708163872's digits is 54
• More coming soon!