28709749512

Names of 28709749512

• Cardinal: 28709749512 can be written as Twenty-eight billion, seven hundred nine million, seven hundred forty-nine thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.8709749512 × 10¹⁰

Factors of 28709749512

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 199

Divisors of 28709749512

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 27 31 36 37 38 54 57 62 72 74 76 81 93 107 108 111 114 124 148 152 162 171 186 214 216 222 228 248 279 296 321 324 333 342 361 372 428 444 456 513 558 589 642 648 666 684 703 722 744 837 856 888 963 999 1026 1083 1116 1147 1178 1284 1332 1368 1406 1444 1539 1674 1767 1926 1998 2033 2052 2109 2166 2232 2294 2356 2511 2568 2664 2812 2888 2889 2997 3078 3249 3317 3348 3441 3534 3852 3959 3996 4066 4104 4218 4332 4588 4712 5022 5301 5624 5778 5994 6099 6156 6327 6498 6634 6696 6882 7068 7704 7918 7992 8132 8436 8664 8667 9176 9747 9951 10044 10323 10602 11191 11556 11877 11988 12198 12312 12654 12996 13268 13357 13764 14136 15836 15903 16264 16872 17334 18297 18981 19494 19902 20088 20646 21204 21793 22382 23112 23754 23976 24396 25308 25992 26536 26714 27528 29241 29853 30969 31672 31806 33573 34668 35631 36594 37962 38627 38988 39804 40071 41292 42408 43586 44764 47508 47709 48792 50616 53428 54891 56943 58482 59706 61938 63023 63612 65379 67146 69336 71262 73188 75221 75924 77254 77976 79608 80142 82584 87172 89528 89559 92907 95016 95418 100719 106856 106893 109782 113886 115881 116964 119412 120213 122729 123876 126046 127224 130758 134292 142524 146376 150442 151848 154508 160284 164673 174344 179118 185814 189069 190836 196137 201438 213786 219564 225663 227772 231762 233928 238824 240426 245458 247752 252092 261516 268584 268677 285048 300884 302157 309016 320568 320679 329346 347643 358236 360639 368187 371628 378138 381672 392274 402876 414067 427572 439128 451326 455544 463524 480852 490916 504184 523032 537354 567207 588411 601768 604314 641358 658692 676989 695286 716472 721278 736374 743256 756276 784548 805752 828134 855144 902652 906471 927048 961704 981832 1042929 1074708 1081917 1104561 1134414 1176822 1197437 1208628 1242201 1282716 1317384 1353978 1390572 1429199 1442556 1472748 1512552 1569096 1656268 1701621 1765233 1805304 1812942 2030967 2085858 2149416 2163834 2209122 2268828 2331851 2353644 2394874 2417256 2484402 2565432 2707956 2781144 2858398 2885112 2945496 3128787 3312536 3313683 3403242 3530466 3592311 3625884 3726603 4061934 4171716 4287597 4327668 4418244 4537656 4663702 4707288 4789748 4968804 5104863 5415912 5716796 6092901 6257574 6627366 6806484 6995553 7060932 7184622 7251768 7453206 8123868 8343432 8575194 8655336 8836488 9327404 9579496 9937608 9941049 10209726 10776933 11179809 11433592 12185802 12515148 12862791 13254732 13612968 13991106 14121864 14369244 14906412 16247736 17150388 18654808 19882098 20419452 20986659 21553866 22359618 24371604 25030296 25725582 26509464 27982212 28738488 29812824 32330799 33539427 34300776 38588373 39764196 40838904 41973318 43107732 44305169 44719236 48743208 51451164 55964424 62959977 64661598 67078854 77176746 79528392 83946636 86215464 88610338 89438472 96992397 102902328 115765119 125919954 129323196 132915507 134157708 154353492 167893272 177220676 188879931 193984794 231530238 251839908 258646392 265831014 268315416 308706984 354441352 377759862 387969588 398746521 463060476 503679816 531662028 755519724 775939176 797493042 926120952 1063324056 1196239563 1511039448 1594986084 2392479126 3189972168 3588718689 4784958252 7177437378 9569916504 14354874756 28709749512
• Sum of all divisors σ(n): 90815281920
• Sum of proper divisors (its aliquot sum) s(n): 62105532408
• 28709749512 is an abundant number, because the sum of its proper divisors (62105532408) is greater than itself. Its abundance is 33395782896

Bases of 28709749512

• Binary: 11010101111001111000000001100001000₂
• Hexadecimal: 0x6AF3C0308
• Base-36: D6T1KI0

Squares and roots of 28709749512

• 28709749512 squared (28709749512²) is 824249717041784238144
• 28709749512 cubed (28709749512³) is 23664002911606503114663995785728
• The square root of 28709749512 is 169439.5157925091
• The cube root of 28709749512 is 3062.0325366007

Scales and comparisons

• 28,709,749,512 seconds is equal to 912 years, 45 weeks, 5 days, 18 hours, 25 minutes, 12 seconds.
• To count from 1 to 28,709,749,512 would take you about one thousand, eight hundred twenty-five 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 28709749512 cubic inches would be around 255.2 feet tall.

Recreational maths with 28709749512

• 28709749512 backwards is 21594790782
• 28709749512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28709749512's digits is 54
• More coming soon!