28770049728

Names of 28770049728

• Cardinal: 28770049728 can be written as Twenty-eight billion, seven hundred seventy million, forty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8770049728 × 10¹⁰

Factors of 28770049728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 376

Divisors of 28770049728

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 71 72 84 96 98 112 126 142 144 147 168 192 196 213 224 252 284 288 293 294 336 343 392 426 441 448 497 504 568 576 586 588 639 672 686 784 852 879 882 994 1008 1029 1136 1172 1176 1278 1344 1372 1491 1568 1704 1758 1764 1988 2016 2051 2058 2272 2344 2352 2401 2556 2637 2744 2982 3087 3136 3408 3479 3516 3528 3976 4032 4102 4116 4473 4544 4688 4704 4802 5112 5274 5488 5964 6153 6174 6816 6958 7032 7056 7203 7952 8204 8232 8946 9376 9408 9604 10224 10437 10548 10976 11928 12306 12348 13632 13916 14064 14112 14357 14406 15904 16408 16464 17892 18459 18752 19208 20448 20803 20874 21096 21609 21952 23856 24353 24612 24696 27832 28128 28224 28714 28812 31311 31808 32816 32928 35784 36918 38416 40896 41606 41748 42192 43071 43218 47712 48706 49224 49392 55664 56256 57428 57624 62409 62622 65632 65856 71568 73059 73836 76832 83212 83496 84384 86142 86436 95424 97412 98448 98784 100499 111328 114856 115248 124818 125244 129213 131264 143136 145621 146118 147672 153664 166424 166992 168768 170471 172284 172872 187227 194824 196896 197568 200998 219177 222656 229712 230496 249636 250488 258426 286272 291242 292236 295344 301497 332848 333984 340942 344568 345744 374454 389648 393792 401996 436863 438354 459424 460992 499272 500976 511413 516852 582484 584472 590688 602994 665696 667968 681884 689136 691488 703493 748908 779296 803992 873726 876708 904491 918848 998544 1001952 1019347 1022826 1033704 1164968 1168944 1181376 1205988 1310589 1331392 1363768 1378272 1382976 1406986 1497816 1534239 1558592 1607984 1747452 1753416 1808982 1997088 2003904 2038694 2045652 2067408 2110479 2329936 2337888 2411976 2621178 2727536 2756544 2813972 2995632 3058041 3068478 3215968 3494904 3506832 3617964 3994176 4077388 4091304 4134816 4220958 4659872 4675776 4823952 5242356 5455072 5627944 5991264 6116082 6136956 6331437 6431936 6989808 7013664 7135429 7235928 8154776 8182608 8269632 8441916 9174123 9319744 9647904 10484712 10910144 11255888 11982528 12232164 12273912 12662874 13979616 14027328 14270858 14471856 16309552 16365216 16883832 18348246 19295808 20969424 21406287 22511776 24464328 24547824 25325748 27959232 28541716 28943712 32619104 32730432 33767664 36696492 41938848 42812574 45023552 48928656 49095648 49948003 50651496 57083432 57887424 64218861 65238208 67535328 73392984 83877696 85625148 97857312 98191296 99896006 101302992 114166864 128437722 135070656 146785968 149844009 171250296 195714624 199792012 202605984 228333728 256875444 293571936 299688018 342500592 399584024 405211968 449532027 456667456 513750888 587143872 599376036 685001184 799168048 899064054 1027501776 1198752072 1370002368 1598336096 1798128108 2055003552 2397504144 3196672192 3596256216 4110007104 4795008288 7192512432 9590016576 14385024864 28770049728
• Sum of all divisors σ(n): 97890378768
• Sum of proper divisors (its aliquot sum) s(n): 69120329040
• 28770049728 is an abundant number, because the sum of its proper divisors (69120329040) is greater than itself. Its abundance is 40350279312

Bases of 28770049728

• Binary: 11010110010110101000001111011000000₂
• Hexadecimal: 0x6B2D41EC0
• Base-36: D7SY0G0

Squares and roots of 28770049728

• 28770049728 squared (28770049728²) is 827715761351592873984
• 28770049728 cubed (28770049728³) is 23813423614734707476530117476352
• The square root of 28770049728 is 169617.3626961579
• The cube root of 28770049728 is 3064.1748065889

Scales and comparisons

• 28,770,049,728 seconds is equal to 914 years, 41 weeks, 3 days, 16 hours, 28 minutes, 48 seconds.
• To count from 1 to 28,770,049,728 would take you about one thousand, eight hundred twenty-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 28770049728 cubic inches would be around 255.3 feet tall.

Recreational maths with 28770049728

• 28770049728 backwards is 82794007782
• The number of decimal digits it has is: 11
• The sum of 28770049728's digits is 54
• More coming soon!