21407177792

Names of 21407177792

• Cardinal: 21407177792 can be written as Twenty-one billion, four hundred seven million, one hundred seventy-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1407177792 × 10¹⁰

Factors of 21407177792

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 504

Divisors of 21407177792

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 19 22 26 28 32 38 43 44 52 56 64 76 77 86 88 91 104 112 133 143 152 154 172 176 182 208 209 224 247 266 286 301 304 308 344 352 364 409 416 418 448 473 494 532 559 572 602 608 616 688 704 728 817 818 832 836 946 988 1001 1064 1118 1144 1204 1216 1232 1376 1456 1463 1634 1636 1672 1729 1892 1976 2002 2128 2236 2288 2408 2464 2717 2752 2863 2912 2926 3268 3272 3311 3344 3458 3784 3913 3952 4004 4256 4472 4499 4576 4816 4928 5317 5434 5719 5726 5824 5852 6149 6536 6544 6622 6688 6916 7568 7771 7826 7904 8008 8512 8944 8987 8998 9152 9632 10621 10634 10868 11438 11452 11704 12298 13072 13088 13244 13376 13832 15136 15542 15652 15808 16016 17587 17888 17974 17996 19019 19264 21242 21268 21736 22876 22904 23408 24596 26144 26176 26488 27664 30272 31084 31304 31493 32032 35174 35776 35948 35992 37219 38038 42484 42536 43043 43472 45752 45808 46816 49192 52288 52976 54397 55328 58487 62168 62608 62909 62986 64064 70348 71896 71984 74347 74438 76076 84968 85072 85481 86086 86944 91504 91616 93632 98384 101023 105952 108794 110656 116831 116974 123109 124336 125216 125818 125972 140696 143792 143968 148694 148876 152152 169936 170144 170962 172172 173888 183008 183232 193457 196768 202046 211904 217588 228631 233662 233948 246218 248672 250432 251636 251944 281392 287584 287936 297388 297752 304304 334153 339872 340288 341924 344344 366016 386914 393536 404092 409409 435176 457262 467324 467896 492436 497344 503272 503888 562784 575168 594776 595504 598367 608608 668306 679744 683848 688688 707161 773828 808184 817817 818818 870352 914524 934648 935792 984872 1006544 1007776 1111253 1125568 1189552 1191008 1196734 1217216 1336612 1354199 1367696 1377376 1414322 1547656 1600417 1616368 1635634 1637636 1740704 1829048 1869296 1871584 1969744 2013088 2015552 2222506 2339071 2379104 2382016 2393468 2514941 2673224 2708398 2735392 2754752 2828644 3095312 3200834 3232736 3271268 3275272 3481408 3658096 3675683 3738592 3743168 3939488 4026176 4343989 4445012 4678142 4758208 4786936 5029882 5346448 5416796 5470784 5657288 6190624 6401668 6465472 6542536 6550544 7316192 7351366 7477184 7778771 7878976 8687978 8890024 9356284 9573872 10059764 10692896 10833592 11314576 12381248 12803336 13085072 13101088 14632384 14702732 15557542 17375956 17604587 17780048 18712568 19147744 20119528 21385792 21667184 22629152 25606672 25729781 26170144 26202176 29405464 30407923 31115084 34751912 35209174 35560096 37425136 38295488 40239056 43334368 45258304 47783879 51213344 51459562 52340288 58810928 60815846 62230168 69503824 70418348 71120192 74850272 80478112 86668736 95567758 102426688 102919124 117621856 121631692 124460336 139007648 140836696 149700544 160956224 191135516 205838248 235243712 243263384 248920672 278015296 281673392 334487153 382271032 411676496 486526768 497841344 563346784 668974306 764542064 823352992 973053536 1126693568 1337948612 1529084128 1646705984 1946107072 2675897224 3058168256 5351794448 10703588896 21407177792
• Sum of all divisors σ(n): 61584230400
• Sum of proper divisors (its aliquot sum) s(n): 40177052608
• 21407177792 is an abundant number, because the sum of its proper divisors (40177052608) is greater than itself. Its abundance is 18769874816

Bases of 21407177792

• Binary: 10011111011111101111001110001000000₂
• Hexadecimal: 0x4FBF79C40
• Base-36: 9U1A43K

Squares and roots of 21407177792

• 21407177792 squared (21407177792²) is 458267261018297995264
• 21407177792 cubed (21407177792³) is 9810208732871576149853621977088
• The square root of 21407177792 is 146311.9195144403
• The cube root of 21407177792 is 2776.6414676975

Scales and comparisons

• 21,407,177,792 seconds is equal to 680 years, 35 weeks, 3 days, 6 hours, 16 minutes, 32 seconds.
• To count from 1 to 21,407,177,792 would take you about one thousand, three hundred sixty-one 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 21407177792 cubic inches would be around 231.4 feet tall.

Recreational maths with 21407177792

• 21407177792 backwards is 29777170412
• The number of decimal digits it has is: 11
• The sum of 21407177792's digits is 47
• More coming soon!