28199357172

Names of 28199357172

• Cardinal: 28199357172 can be written as Twenty-eight billion, one hundred ninety-nine million, three hundred fifty-seven thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.8199357172 × 10¹⁰

Factors of 28199357172

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 378

Divisors of 28199357172

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 43 51 54 63 68 73 81 84 86 102 108 119 126 129 146 153 162 172 189 204 219 233 238 252 258 292 301 306 324 357 378 387 438 459 466 476 511 516 567 602 612 657 699 714 731 756 774 876 903 918 932 1022 1071 1134 1161 1204 1241 1314 1377 1398 1428 1462 1533 1548 1631 1806 1836 1971 2044 2097 2142 2193 2268 2322 2482 2628 2709 2754 2796 2924 3066 3139 3213 3262 3483 3612 3723 3942 3961 4194 4284 4386 4599 4644 4893 4964 5117 5418 5508 5913 6132 6278 6291 6426 6524 6579 6966 7446 7884 7922 8127 8388 8687 8772 9198 9417 9639 9786 10019 10234 10836 11169 11826 11883 12556 12582 12852 13158 13797 13932 14679 14892 15351 15844 16254 17009 17374 18396 18834 18873 19278 19572 19737 20038 20468 21973 22338 23652 23766 24381 25164 26061 26316 27594 27727 28251 29358 30057 30702 32508 33507 34018 34748 35649 37668 37746 38556 39474 40076 41391 43946 44037 44676 46053 47532 48762 51027 52122 53363 55188 55454 56502 58716 59211 60114 61404 65919 67014 68036 70133 71298 75492 78183 78948 82782 83181 84753 87892 88074 90171 92106 97524 100521 102054 104244 106726 106947 110908 113004 118422 119063 120228 131838 132111 134028 138159 140266 142596 153081 156366 160089 165564 166362 169506 170323 176148 180342 184212 197757 201042 204108 210399 213452 213894 234549 236844 238126 249543 254259 263676 264222 270513 276318 280532 289153 306162 312732 320178 320841 332724 339012 340646 357189 360684 373541 395514 402084 414477 420798 427788 459243 469098 476252 480267 499086 508518 510969 528444 541026 552636 578306 593271 612324 631197 640356 641682 681292 703647 714378 731387 747082 748629 791028 811539 828954 841596 867459 918486 938196 960534 998172 1017036 1021938 1071567 1082052 1120623 1156612 1186542 1192261 1262394 1283364 1377729 1407294 1428756 1440801 1462774 1494164 1497258 1532907 1623078 1657908 1734918 1779813 1836972 1893591 1921068 2024071 2043876 2143134 2194161 2241246 2245887 2373084 2384522 2524788 2602377 2755458 2814588 2881602 2925548 2994516 3065814 3214701 3246156 3361869 3469836 3559626 3576783 3787182 4048142 4286268 4322403 4388322 4482492 4491774 4598721 4769044 5119709 5204754 5510916 5680773 5763204 6072213 6131628 6429402 6582483 6723738 7119252 7153566 7574364 7807131 8096284 8644806 8776644 8983548 9197442 9644103 10085607 10239418 10409508 10730349 11361546 12144426 12433579 12858804 13164966 13447476 13796163 14307132 15359127 15614262 17289612 18216639 18394884 19288206 19747449 20171214 20478836 21460698 22723092 23421393 24288852 24867158 26329932 27592326 30256821 30718254 31228524 32191047 36433278 37300737 38576412 39494898 40342428 42921396 46077381 46842786 49734316 54649917 55184652 59242347 60513642 61436508 64382094 72866556 74601474 78989796 87035053 92154762 93685572 96573141 109299834 111902211 118484694 121027284 128764188 138232143 149202948 163949751 174070106 184309524 193146282 218599668 223804422 236969388 261105159 276464286 327899502 335706633 348140212 386292564 414696429 447608844 522210318 552928572 655799004 671413266 783315477 829392858 1007119899 1044420636 1342826532 1566630954 1658785716 2014239798 2349946431 3133261908 4028479596 4699892862 7049839293 9399785724 14099678586 28199357172
• Sum of all divisors σ(n): 92927907072
• Sum of proper divisors (its aliquot sum) s(n): 64728549900
• 28199357172 is an abundant number, because the sum of its proper divisors (64728549900) is greater than itself. Its abundance is 36529192728

Bases of 28199357172

• Binary: 11010010000110100000000101011110100₂
• Hexadecimal: 0x690D00AF4
• Base-36: CYD6390

Squares and roots of 28199357172

• 28199357172 squared (28199357172²) is 795203744914027837584
• 28199357172 cubed (28199357172³) is 22424234427342649425182021552448
• The square root of 28199357172 is 167926.6422340419
• The cube root of 28199357172 is 3043.7786710617

Scales and comparisons

• 28,199,357,172 seconds is equal to 896 years, 33 weeks, 6 days, 10 hours, 46 minutes, 12 seconds.
• To count from 1 to 28,199,357,172 would take you about one thousand, seven hundred ninety-three 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 28199357172 cubic inches would be around 253.6 feet tall.

Recreational maths with 28199357172

• 28199357172 backwards is 27175399182
• 28199357172 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28199357172's digits is 54
• More coming soon!