19827971856

Names of 19827971856

• Cardinal: 19827971856 can be written as Nineteen billion, eight hundred twenty-seven million, nine hundred seventy-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.9827971856 × 10¹⁰

Factors of 19827971856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 246

Divisors of 19827971856

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 33 36 42 44 48 54 56 63 66 72 77 81 84 88 99 108 112 121 126 132 144 154 162 168 176 189 198 216 223 231 242 243 252 264 297 308 324 336 363 378 396 432 446 462 484 486 504 528 567 594 616 648 669 693 726 729 756 792 847 891 892 924 968 972 1008 1089 1134 1188 1232 1296 1338 1386 1452 1458 1512 1561 1584 1694 1701 1782 1784 1848 1936 1944 2007 2079 2178 2187 2268 2376 2453 2541 2673 2676 2772 2904 2916 3024 3122 3267 3388 3402 3564 3568 3696 3888 4014 4158 4356 4374 4536 4683 4752 4906 5082 5103 5346 5352 5544 5808 5832 6021 6237 6244 6534 6561 6776 6804 7128 7359 7623 8019 8028 8316 8712 8748 9072 9366 9801 9812 10164 10206 10692 10704 11088 11664 12042 12474 12488 13068 13122 13552 13608 14049 14256 14718 15246 15309 16038 16056 16632 17171 17424 17496 18063 18711 18732 19602 19624 20328 20412 21384 22077 22869 24057 24084 24948 24976 26136 26244 26983 27216 28098 29403 29436 30492 30618 32076 32112 33264 34342 34992 36126 37422 37464 39204 39248 40656 40824 42147 42768 44154 45738 45927 48114 48168 49896 51513 52272 52488 53966 54189 56133 56196 58806 58872 60984 61236 64152 66231 68607 68684 72171 72252 74844 74928 78408 80949 81648 84294 88209 88308 91476 91854 96228 96336 99792 103026 104976 107932 108378 112266 112392 117612 117744 121968 122472 126441 128304 132462 137214 137368 144342 144504 149688 154539 156816 161898 162567 168399 168588 176418 176616 182952 183708 188881 192456 198693 205821 206052 215864 216756 224532 224784 235224 242847 244944 252882 264627 264924 274428 274736 288684 289008 299376 309078 323796 325134 336798 337176 352836 353232 365904 367416 377762 379323 384912 397386 411642 412104 431728 433512 449064 463617 470448 485694 487701 505197 505764 529254 529848 548856 566643 577368 596079 617463 618156 647592 650268 673596 674352 705672 728541 734832 755524 758646 793881 794772 823284 824208 867024 898128 927234 971388 975402 1010394 1011528 1058508 1059696 1097712 1133286 1137969 1154736 1192158 1234926 1236312 1295184 1300536 1347192 1390851 1411344 1457082 1463103 1511048 1517292 1587762 1589544 1646568 1699929 1788237 1852389 1854468 1942776 1950804 2020788 2023056 2117016 2185623 2266572 2275938 2384316 2469852 2472624 2601072 2694384 2781702 2914164 2926206 3022096 3034584 3175524 3179088 3293136 3399858 3413907 3576474 3704778 3708936 3885552 3901608 4041576 4172553 4234032 4371246 4533144 4551876 4768632 4939704 5099787 5364711 5557167 5563404 5828328 5852412 6069168 6351048 6556869 6799716 6827814 7152948 7409556 7417872 7803216 8083152 8345106 8742492 9066288 9103752 9537264 9879408 10199574 10241721 10729422 11114334 11126808 11656656 11704824 12517659 12702096 13113738 13599432 13655628 14305896 14819112 15299361 16094133 16690212 17484984 18207504 19670607 20399148 20483442 21458844 22228668 22253616 23409648 25035318 26227476 27198864 27311256 28611792 29638224 30598722 32188266 33380424 34969968 37552977 39341214 40798296 40966884 42917688 44457336 45898083 50070636 52454952 54622512 59011821 61197444 64376532 66760848 75105954 78682428 81596592 81933768 85835376 88914672 91796166 100141272 104909904 112658931 118023642 122394888 128753064 137694249 150211908 157364856 163867536 177035463 183592332 200282544 225317862 236047284 244789776 257506128 275388498 300423816 314729712 354070926 367184664 413082747 450635724 472094568 550776996 600847632 708141852 734369328 826165494 901271448 944189136 1101553992 1239248241 1416283704 1652330988 1802542896 2203107984 2478496482 2832567408 3304661976 4956992964 6609323952 9913985928 19827971856
• Sum of all divisors σ(n): 72709401856
• Sum of proper divisors (its aliquot sum) s(n): 52881430000
• 19827971856 is an abundant number, because the sum of its proper divisors (52881430000) is greater than itself. Its abundance is 33053458144

Bases of 19827971856

• Binary: 10010011101110101101101011100010000₂
• Hexadecimal: 0x49DD6D710
• Base-36: 93X2900

Squares and roots of 19827971856

• 19827971856 squared (19827971856²) is 393148467922328084736
• 19827971856 cubed (19827971856³) is 7795336757193440058143791190016
• The square root of 19827971856 is 140811.8313779065
• The cube root of 19827971856 is 2706.6125918269

Scales and comparisons

• 19,827,971,856 seconds is equal to 630 years, 24 weeks, 2 days, 9 hours, 57 minutes, 36 seconds.
• To count from 1 to 19,827,971,856 would take you about one thousand, two hundred sixty 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 19827971856 cubic inches would be around 225.6 feet tall.

Recreational maths with 19827971856

• 19827971856 backwards is 65817972891
• 19827971856 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19827971856's digits is 63
• More coming soon!