28137421312

Names of 28137421312

• Cardinal: 28137421312 can be written as Twenty-eight billion, one hundred thirty-seven million, four hundred twenty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.8137421312 × 10¹⁰

Factors of 28137421312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 87

Divisors of 28137421312

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 23 26 28 31 32 44 46 49 52 56 62 64 77 88 91 92 98 104 112 121 124 128 143 154 161 176 182 184 196 208 217 224 242 248 253 256 286 299 308 322 341 352 364 368 392 403 416 434 448 484 496 506 512 539 572 598 616 637 644 682 704 713 728 736 784 806 832 847 868 896 968 992 1001 1012 1078 1127 1144 1196 1232 1274 1288 1364 1408 1426 1456 1472 1519 1568 1573 1612 1664 1694 1736 1771 1792 1936 1984 2002 2024 2093 2156 2254 2288 2387 2392 2464 2548 2576 2728 2783 2816 2821 2852 2912 2944 3038 3136 3146 3224 3289 3328 3388 3472 3542 3584 3751 3872 3968 4004 4048 4186 4312 4433 4508 4576 4774 4784 4928 4991 5096 5152 5456 5566 5632 5642 5704 5824 5888 5929 6076 6272 6292 6448 6578 6656 6776 6944 7007 7084 7502 7744 7843 7936 8008 8096 8372 8624 8866 9016 9152 9269 9548 9568 9856 9982 10192 10304 10912 11011 11132 11284 11408 11648 11776 11858 12152 12397 12544 12584 12896 13156 13552 13888 14014 14168 14651 15004 15488 15686 15872 16016 16192 16709 16744 17248 17732 18032 18304 18538 19096 19136 19481 19712 19747 19964 20384 20608 21824 22022 22264 22568 22816 23023 23296 23716 24304 24794 25088 25168 25792 26257 26312 27104 27776 28028 28336 29302 30008 30976 31031 31372 32032 32384 33418 33488 34496 34937 35464 36064 36179 36608 37076 38192 38272 38962 39424 39494 39928 40768 41216 43648 44044 44528 45136 45632 46046 46592 47432 48608 48763 49588 50336 51584 52514 52624 54208 54901 55552 56056 56672 58604 60016 61952 62062 62744 64064 64768 64883 66836 66976 68992 69874 70928 72128 72358 73216 74152 76384 76544 77077 77924 78988 79856 81536 82432 86273 87296 88088 89056 90272 91264 92092 94864 97216 97526 99176 100672 101959 103168 105028 105248 108416 109802 111104 112112 113344 117208 120032 124124 125488 128128 129536 129766 133672 133952 136367 137984 139748 141856 144256 144716 148304 152768 153088 154154 155848 157976 159712 161161 163072 172546 174592 176176 178112 180544 182528 183799 184184 189728 194432 195052 198352 201344 203918 206336 210056 210496 216832 217217 219604 224224 226688 234416 240064 248248 250976 253253 256256 259532 267344 267904 272734 275968 279496 283712 288512 289432 296608 305536 308308 311696 315952 319424 322322 326144 341341 345092 352352 356224 361088 365056 367598 368368 379456 384307 388864 390104 396704 402688 407836 420112 420992 433664 434434 439208 448448 453376 454181 468832 480128 496496 501952 506506 512512 519064 534688 535808 545468 558992 567424 577024 578864 593216 603911 611072 616616 623392 631904 638848 644644 682682 690184 704704 712448 713713 722176 735196 736736 758912 768614 777728 780208 793408 805376 815672 840224 841984 868868 878416 896896 906752 908362 937664 960256 992992 1003904 1013012 1038128 1069376 1071616 1090936 1117984 1121549 1134848 1157728 1186432 1207822 1222144 1233232 1246784 1263808 1277696 1289288 1365364 1380368 1409408 1424896 1427426 1444352 1470392 1473472 1517824 1537228 1560416 1586816 1631344 1680448 1683968 1737736 1756832 1772771 1793792 1816724 1875328 1920512 1985984 2007808 2026024 2076256 2138752 2181872 2235968 2243098 2269696 2315456 2372864 2389387 2415644 2466464 2493568 2527616 2555392 2578576 2730728 2760736 2818816 2854852 2940784 2946944 3035648 3074456 3120832 3173632 3262688 3360896 3475472 3513664 3545542 3587584 3633448 3750656 3971968 4015616 4052048 4152512 4227377 4277504 4363744 4471936 4486196 4630912 4745728 4778774 4831288 4932928 4987136 4995991 5055232 5157152 5461456 5521472 5637632 5709704 5881568 5893888 6148912 6241664 6347264 6525376 6721792 6950944 7027328 7091084 7266896 7501312 7850843 7943936 8104096 8305024 8454754 8555008 8727488 8943872 8972392 9261824 9557548 9662576 9865856 9974272 9991982 10110464 10314304 10922912 11042944 11419408 11763136 11787776 12297824 12483328 13050752 13443584 13901888 14054656 14182168 14533792 15701686 15887872 16208192 16610048 16909508 17454976 17887744 17944784 18523648 19115096 19325152 19731712 19983964 20628608 21845824 22085888 22838816 23526272 24595648 24966656 26101504 27803776 28109312 28364336 29067584 31403372 32416384 33220096 33819016 34909952 35889568 38230192 38650304 39463424 39967928 41257216 43691648 44171776 45677632 47052544 49191296 52203008 54955901 55607552 56728672 58135168 62806744 64832768 67638032 69819904 71779136 76460384 77300608 79935856 82514432 87383296 91355264 94105088 98382592 109911802 111215104 113457344 116270336 125613488 129665536 135276064 143558272 152920768 154601216 159871712 174766592 182710528 196765184 219823604 226914688 232540672 251226976 270552128 287116544 305841536 309202432 319743424 365421056 439647208 453829376 502453952 541104256 574233088 611683072 639486848 879294416 907658752 1004907904 1082208512 1223366144 1278973696 1758588832 2009815808 2164417024 2557947392 3517177664 4019631616 7034355328 14068710656 28137421312
• Sum of all divisors σ(n): 83385662976
• Sum of proper divisors (its aliquot sum) s(n): 55248241664
• 28137421312 is an abundant number, because the sum of its proper divisors (55248241664) is greater than itself. Its abundance is 27110820352

Bases of 28137421312

• Binary: 11010001101000111101111101000000000₂
• Hexadecimal: 0x68D1EFA00
• Base-36: CXCAL8G

Squares and roots of 28137421312

• 28137421312 squared (28137421312²) is 791714478088991801344
• 28137421312 cubed (28137421312³) is 22276803828800154943729935843328
• The square root of 28137421312 is 167742.1274218255
• The cube root of 28137421312 is 3041.5486292497

Scales and comparisons

• 28,137,421,312 seconds is equal to 894 years, 35 weeks, 3 days, 14 hours, 21 minutes, 52 seconds.
• To count from 1 to 28,137,421,312 would take you about one thousand, seven hundred eighty-nine 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 28137421312 cubic inches would be around 253.5 feet tall.

Recreational maths with 28137421312

• 28137421312 backwards is 21312473182
• The number of decimal digits it has is: 11
• The sum of 28137421312's digits is 34
• More coming soon!