21049673040

Names of 21049673040

• Cardinal: 21049673040 can be written as Twenty-one billion, forty-nine million, six hundred seventy-three thousand and forty.

Scientific notation

• Scientific notation: 2.104967304 × 10¹⁰

Factors of 21049673040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1937

Divisors of 21049673040

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 43 44 45 48 54 55 60 66 72 80 86 88 90 99 108 110 120 121 129 132 135 144 165 172 176 180 198 215 216 220 240 242 258 264 270 297 330 344 360 363 387 396 430 432 440 473 484 495 516 528 540 594 605 645 660 688 720 726 774 792 860 880 946 968 990 1032 1080 1089 1161 1188 1210 1290 1320 1419 1452 1485 1548 1584 1720 1815 1873 1892 1935 1936 1980 2064 2160 2178 2322 2365 2376 2420 2580 2640 2838 2904 2970 3096 3267 3440 3630 3746 3784 3870 3960 4257 4356 4644 4730 4752 4840 5160 5203 5445 5619 5676 5805 5808 5940 6192 6534 7095 7260 7492 7568 7740 7920 8514 8712 9288 9365 9460 9680 10320 10406 10890 11238 11352 11610 11880 12771 13068 14190 14520 14984 15480 15609 16335 16857 17028 17424 18576 18730 18920 20603 20812 21285 21780 22476 22704 23220 23760 25542 26015 26136 28095 28380 29040 29968 30960 31218 32670 33714 34056 37460 37840 41206 41624 42570 43560 44952 46440 46827 50571 51084 52030 52272 56190 56760 61809 62436 63855 65340 67428 68112 74920 78045 80539 82412 83248 84285 85140 87120 89904 92880 93654 101142 102168 103015 104060 112380 113520 123618 124872 127710 130680 134856 140481 149840 156090 161078 164824 168570 170280 185427 187308 202284 204336 206030 208120 224760 226633 234135 241617 247236 249744 252855 255420 261360 269712 280962 309045 312180 322156 329648 337140 340560 370854 374616 402695 404568 412060 416240 449520 453266 468270 483234 494472 505710 510840 556281 561924 618090 624360 644312 674280 679899 702405 724851 741708 749232 805390 809136 824120 885929 906532 927135 936540 966468 988944 1011420 1021680 1112562 1123848 1133165 1208085 1236180 1248720 1288624 1348560 1359798 1404810 1449702 1483416 1610780 1648240 1771858 1813064 1854270 1873080 1932936 2022840 2039697 2174553 2225124 2247696 2266330 2416170 2472360 2657787 2719596 2781405 2809620 2899404 2966832 3221560 3399495 3543716 3624255 3626128 3708540 3746160 3865872 4045680 4079394 4349106 4429645 4450248 4532660 4832340 4944720 5315574 5439192 5562810 5619240 5798808 6119091 6443120 6798990 7087432 7248510 7417080 7973361 8158788 8698212 8859290 8900496 9065320 9664680 9745219 10198485 10631148 10872765 10878384 11125620 11238480 11597616 12238182 13288935 13597980 14174864 14497020 14834160 15946722 16317576 17396424 17718580 18130640 19329360 19490438 20396970 21262296 21745530 22251240 23920083 24476364 26577870 27195960 28994040 29235657 30595455 31893444 32635152 34792848 35437160 38980876 39866805 40793940 42524592 43491060 44502480 47840166 48726095 48952728 53155740 54391920 57988080 58471314 61190910 63786888 70874320 77961752 79733610 81587880 86982120 87706971 95680332 97452190 97905456 106311480 116942628 119600415 122381820 127573776 146178285 155923504 159467220 163175760 173964240 175413942 191360664 194904380 212622960 233885256 239200830 244763640 263120913 292356570 318934440 350827884 382721328 389808760 438534855 467770512 478401660 489527280 526241826 584713140 637868880 701655768 779617520 877069710 956803320 1052483652 1169426280 1315604565 1403311536 1754139420 1913606640 2104967304 2338852560 2631209130 3508278840 4209934608 5262418260 7016557680 10524836520 21049673040
• Sum of all divisors σ(n): 81591861120
• Sum of proper divisors (its aliquot sum) s(n): 60542188080
• 21049673040 is an abundant number, because the sum of its proper divisors (60542188080) is greater than itself. Its abundance is 39492515040

Bases of 21049673040

• Binary: 10011100110101010001000010101010000₂
• Hexadecimal: 0x4E6A88550
• Base-36: 9O4FJO0

Squares and roots of 21049673040

• 21049673040 squared (21049673040²) is 443088735090902841600
• 21049673040 cubed (21049673040³) is 9326873001370679494086910464000
• The square root of 21049673040 is 145085.0545025227
• The cube root of 21049673040 is 2761.0977674729

Scales and comparisons

• 21,049,673,040 seconds is equal to 669 years, 16 weeks, 2 days, 11 hours, 24 minutes.
• To count from 1 to 21,049,673,040 would take you about one thousand, three hundred thirty-eight 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 21049673040 cubic inches would be around 230.1 feet tall.

Recreational maths with 21049673040

• 21049673040 backwards is 04037694012
• 21049673040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21049673040's digits is 36
• More coming soon!