6638940491560

Names of 6638940491560

• Cardinal: 6638940491560 can be written as Six trillion, six hundred thirty-eight billion, nine hundred forty million, four hundred ninety-one thousand, five hundred sixty.

Scientific notation

• Scientific notation: 6.63894049156 × 10¹²

Factors of 6638940491560

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18656

Divisors of 6638940491560

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 43 52 65 86 97 104 130 167 172 194 215 260 334 344 388 430 485 520 559 668 776 835 860 970 1118 1261 1336 1670 1720 1940 2171 2236 2522 2795 3340 3880 4171 4342 4472 5044 5590 6305 6680 7181 8342 8684 10088 10855 11180 12610 14362 16199 16684 17368 18329 20855 21710 22360 25220 28724 32398 33368 35905 36658 41710 43420 50440 54223 57448 64796 71810 73316 80995 83420 86840 91645 93353 108446 129592 143620 146632 161990 166840 183290 186706 210587 216892 238277 271115 287240 323980 366580 373412 421174 433784 466765 476554 542230 647960 696557 733160 746824 788147 842348 933530 953108 1052935 1084460 1191385 1393114 1576294 1684696 1777913 1867060 1906216 2105870 2168920 2382770 2786228 3060943 3152588 3482785 3555826 3734120 3940735 4211740 4765540 5572456 6121886 6305176 6965570 7111652 7881470 8423480 8889565 9055241 9531080 10245911 12243772 13931140 14223304 15304715 15762940 17779130 18110482 20491822 23112869 24487544 27862280 30609430 31525880 35558260 36220964 39792259 40983644 45276205 46225738 51229555 61218860 71116520 72441928 76450259 79584518 81967288 90552410 92451476 102459110 115564345 122437720 131620549 152900518 159169036 181104820 184902952 198961295 204918220 231128690 263241098 296911471 305801036 318338072 362209640 382251295 397922590 409836440 462257380 526482196 593822942 611602072 658102745 764502590 795845180 924514760 993853367 1052964392 1187645884 1316205490 1484557355 1529005180 1591690360 1711067137 1987706734 2375291768 2632410980 2969114710 3058010360 3422134274 3859849123 3975413468 4969266835 5264821960 5938229420 6844268548 7719698246 7950826936 8555335685 9938533670 11876458840 12767193253 13688537096 15439396492 17110671370 19299245615 19877067340 25534386506 30878792984 34221342740 38598491230 39754134680 51068773012 63835966265 68442685480 77196982460 102137546024 127671932530 154393964920 165973512289 255343865060 331947024578 510687730120 663894049156 829867561445 1327788098312 1659735122890 3319470245780 6638940491560
• Sum of all divisors σ(n): 16730967052800
• Sum of proper divisors (its aliquot sum) s(n): 10092026561240
• 6638940491560 is an abundant number, because the sum of its proper divisors (10092026561240) is greater than itself. Its abundance is 3453086069680

Bases of 6638940491560

• Binary: 1100000100110111111101100001000111100101000₂
• Hexadecimal: 0x609BFB08F28
• Base-36: 2CPVXR86G

Squares and roots of 6638940491560

• 6638940491560 squared (6638940491560²) is 44075530850474934431233600
• 6638940491560 cubed (6638940491560³) is 292614826450220006052352765401188416000
• The square root of 6638940491560 is 2576614.1526351981
• The cube root of 6638940491560 is 18794.5929934581

Scales and comparisons

• 6,638,940,491,560 seconds is equal to 211,097 years, 40 weeks, 1 day, 32 minutes, 40 seconds.
• To count from 1 to 6,638,940,491,560 would take you about five hundred twenty-seven thousand, seven hundred forty-four 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 6638940491560 cubic inches would be around 1566.2 feet tall.

Recreational maths with 6638940491560

• 6638940491560 backwards is 0651940498366
• The number of decimal digits it has is: 13
• The sum of 6638940491560's digits is 61
• More coming soon!