21180475008

Names of 21180475008

• Cardinal: 21180475008 can be written as Twenty-one billion, one hundred eighty million, four hundred seventy-five thousand and eight.

Scientific notation

• Scientific notation: 2.1180475008 × 10¹⁰

Factors of 21180475008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 466

Divisors of 21180475008

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 49 56 63 64 66 72 77 84 88 96 98 99 112 121 126 128 132 144 147 154 168 176 192 196 198 224 231 242 252 264 288 294 308 336 343 352 363 384 392 396 441 443 448 462 484 504 528 539 576 588 616 672 686 693 704 726 784 792 847 882 886 896 924 968 1008 1029 1056 1078 1089 1152 1176 1232 1329 1344 1372 1386 1408 1452 1568 1584 1617 1694 1764 1772 1848 1936 2016 2058 2112 2156 2178 2352 2464 2541 2658 2688 2744 2772 2904 3087 3101 3136 3168 3234 3388 3528 3544 3696 3773 3872 3987 4032 4116 4224 4312 4356 4704 4851 4873 4928 5082 5316 5488 5544 5808 5929 6174 6202 6272 6336 6468 6776 7056 7088 7392 7546 7623 7744 7974 8064 8232 8624 8712 9303 9408 9702 9746 9856 10164 10632 10976 11088 11319 11616 11858 12348 12404 12672 12936 13552 14112 14176 14619 14784 15092 15246 15488 15948 16464 17248 17424 17787 18606 18816 19404 19492 20328 21264 21707 21952 22176 22638 23232 23716 24696 24808 25872 27104 27909 28224 28352 29238 29568 30184 30492 31896 32928 33957 34111 34496 34848 35574 37212 38808 38984 40656 41503 42528 43414 43857 43904 44352 45276 46464 47432 49392 49616 51744 53361 53603 54208 55818 56448 56704 58476 60368 60984 63792 65121 65856 67914 68222 68992 69696 71148 74424 77616 77968 81312 83006 85056 86828 87714 88704 90552 94864 98784 99232 102333 103488 106722 107206 108416 111636 116952 120736 121968 124509 127584 130242 131712 135828 136444 139392 142296 148848 151949 155232 155936 160809 162624 166012 170112 173656 175428 181104 189728 195363 197568 198464 204666 206976 213444 214412 223272 233904 238777 241472 243936 249018 255168 260484 271656 272888 284592 297696 303898 306999 310464 311872 321618 325248 332024 347312 350856 362208 373527 375221 379456 390726 395136 396928 409332 426888 428824 446544 455847 467808 477554 482427 482944 487872 498036 510336 520968 543312 545776 569184 595392 607796 613998 620928 623744 643236 664048 694624 701712 716331 724416 747054 750442 758912 781452 818664 853776 857648 893088 911694 935616 955108 964854 975744 996072 1041936 1086624 1091552 1125663 1138368 1190784 1215592 1227996 1286472 1328096 1367541 1389248 1403424 1432662 1448832 1494108 1500884 1562904 1637328 1671439 1707552 1715296 1786176 1823388 1871232 1910216 1929708 1992144 2083872 2148993 2173248 2183104 2251326 2276736 2431184 2455992 2572944 2626547 2656192 2735082 2778496 2806848 2865324 2988216 3001768 3125808 3274656 3342878 3376989 3415104 3430592 3572352 3646776 3820432 3859416 3984288 4167744 4297986 4346496 4366208 4502652 4862368 4911984 5014317 5145888 5253094 5312384 5470164 5613696 5730648 5976432 6003536 6251616 6549312 6685756 6753978 6830208 6861184 7293552 7640864 7718832 7879641 7968576 8335488 8595972 9005304 9724736 9823968 10028634 10291776 10506188 10940328 11461296 11952864 12007072 12503232 13098624 13371512 13507956 14587104 15042951 15281728 15437664 15759282 15937152 17191944 18010608 18385829 19449472 19647936 20057268 20583552 21012376 21880656 22922592 23638923 23905728 24014144 25006464 26743024 27015912 29174208 30085902 30563456 30875328 31518564 34383888 36021216 36771658 39295872 40114536 42024752 43761312 45845184 47277846 47811456 48028288 53486048 54031824 55157487 58348416 60171804 61750656 63037128 68767776 72042432 73543316 80229072 84049504 87522624 91690368 94555692 106972096 108063648 110314974 120343608 126074256 137535552 144084864 147086632 160458144 165472461 168099008 175045248 189111384 213944192 216127296 220629948 240687216 252148512 275071104 294173264 320916288 330944922 336198016 378222768 432254592 441259896 481374432 504297024 588346528 641832576 661889844 756445536 882519792 962748864 1008594048 1176693056 1323779688 1512891072 1765039584 1925497728 2353386112 2647559376 3025782144 3530079168 5295118752 7060158336 10590237504 21180475008
• Sum of all divisors σ(n): 78302952000
• Sum of proper divisors (its aliquot sum) s(n): 57122476992
• 21180475008 is an abundant number, because the sum of its proper divisors (57122476992) is greater than itself. Its abundance is 35942001984

Bases of 21180475008

• Binary: 10011101110011101000110011010000000₂
• Hexadecimal: 0x4EE746680
• Base-36: 9QAB340

Squares and roots of 21180475008

• 21180475008 squared (21180475008²) is 448612521564512600064
• 21180475008 cubed (21180475008³) is 9501826301273020185356651200512
• The square root of 21180475008 is 145535.1332428015
• The cube root of 21180475008 is 2766.8050852765

Scales and comparisons

• 21,180,475,008 seconds is equal to 673 years, 24 weeks, 4 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,180,475,008 would take you about one thousand, three hundred forty-six 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 21180475008 cubic inches would be around 230.6 feet tall.

Recreational maths with 21180475008

• 21180475008 backwards is 80057408112
• 21180475008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21180475008's digits is 36
• More coming soon!