21424135824

Names of 21424135824

• Cardinal: 21424135824 can be written as Twenty-one billion, four hundred twenty-four million, one hundred thirty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1424135824 × 10¹⁰

Factors of 21424135824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3231

Divisors of 21424135824

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 27 28 36 38 39 42 48 52 54 56 57 63 72 76 78 81 84 91 104 108 112 114 117 126 133 144 152 156 162 168 171 182 189 208 216 228 234 243 247 252 266 273 304 312 324 336 342 351 364 378 399 432 456 468 486 494 504 513 532 546 567 624 648 684 702 728 741 756 798 819 912 936 972 988 1008 1026 1053 1064 1092 1134 1197 1296 1368 1404 1456 1482 1512 1539 1596 1638 1701 1729 1872 1944 1976 2052 2106 2128 2184 2223 2268 2394 2457 2736 2808 2964 3024 3078 3159 3187 3192 3276 3402 3458 3591 3888 3952 4104 4212 4368 4446 4536 4617 4788 4914 5187 5616 5928 6156 6318 6374 6384 6552 6669 6804 6916 7182 7371 8208 8424 8892 9072 9234 9561 9576 9828 10374 10773 11856 12312 12636 12748 13104 13338 13608 13832 14364 14742 15561 16848 17784 18468 19122 19152 19656 20007 20748 21546 22113 22309 24624 25272 25496 26676 27216 27664 28683 28728 29484 31122 32319 35568 36936 38244 39312 40014 41431 41496 43092 44226 44618 46683 50544 50992 53352 57366 57456 58968 60021 60553 62244 64638 66927 73872 76488 80028 82862 82992 86049 86184 88452 89236 93366 106704 114732 117936 120042 121106 124293 124488 129276 133854 140049 152976 160056 165724 172098 172368 176904 178472 181659 186732 200781 229464 240084 242212 248586 248976 258147 258552 267708 280098 290017 320112 331448 344196 353808 356944 363318 372879 373464 401562 420147 423871 458928 480168 484424 497172 516294 517104 535416 544977 560196 580034 602343 662896 688392 726636 745758 746928 774441 787189 803124 840294 847742 870051 960336 968848 994344 1032588 1070832 1089954 1118637 1120392 1160068 1204686 1271613 1376784 1453272 1491516 1548882 1574378 1606248 1634931 1680588 1695484 1740102 1807029 1988688 2065176 2179908 2237274 2240784 2320136 2361567 2409372 2543226 2610153 2906544 2983032 3097764 3148756 3212496 3269862 3355911 3361176 3390968 3480204 3614058 3814839 4130352 4359816 4474548 4640272 4723134 4818744 4904793 5086452 5220306 5421087 5510323 5966064 6195528 6297512 6539724 6711822 6722352 6781936 6960408 7084701 7228116 7629678 7830459 8719632 8949096 9446268 9637488 9809586 10067733 10172904 10440612 10842174 11020646 11444517 12391056 12595024 13079448 13423644 13920816 14169402 14456232 14714379 15259356 15660918 16530969 17898192 18892536 19619172 20135466 20345808 20881224 21254103 21684348 22041292 22889034 23491377 26158896 26847288 28338804 28912464 29428758 30518712 31321836 33061938 34333551 37785072 39238344 40270932 41762448 42508206 43368696 44082584 45778068 46982754 49592907 53694576 56677608 58857516 61037424 62643672 63762309 66123876 68667102 70474131 78476688 80541864 85016412 86737392 88165168 91556136 93965508 99185814 103000653 113355216 117715032 125287344 127524618 132247752 137334204 140948262 148778721 161083728 170032824 183112272 187931016 191286927 198371628 206001306 235430064 255049236 264495504 274668408 281896524 297557442 340065648 375862032 382573854 396743256 412002612 446336163 510098472 549336816 563793048 595114884 765147708 793486512 824005224 892672326 1020196944 1127586096 1190229768 1339008489 1530295416 1648010448 1785344652 2380459536 2678016978 3060590832 3570689304 5356033956 7141378608 10712067912 21424135824
• Sum of all divisors σ(n): 80580398080
• Sum of proper divisors (its aliquot sum) s(n): 59156262256
• 21424135824 is an abundant number, because the sum of its proper divisors (59156262256) is greater than itself. Its abundance is 37732126432

Bases of 21424135824

• Binary: 10011111100111110100101111010010000₂
• Hexadecimal: 0x4FCFA5E90
• Base-36: 9UBDL00

Squares and roots of 21424135824

• 21424135824 squared (21424135824²) is 458993595805200158976
• 21424135824 cubed (21424135824³) is 9833541138876764851408216756224
• The square root of 21424135824 is 146369.8596842943
• The cube root of 21424135824 is 2777.3744608923

Scales and comparisons

• 21,424,135,824 seconds is equal to 681 years, 11 weeks, 3 days, 12 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,424,135,824 would take you about one thousand, three hundred sixty-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 21424135824 cubic inches would be around 231.4 feet tall.

Recreational maths with 21424135824

• 21424135824 backwards is 42853142412
• 21424135824 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21424135824's digits is 36
• More coming soon!