28909749825
28,909,749,825 is an odd composite number composed of seven prime numbers multiplied together.
28909749825 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 28909749825:
33 × 52 × 11 × 29 × 31 × 61 × 71
(3 × 3 × 3 × 5 × 5 × 11 × 29 × 31 × 61 × 71)See below for interesting mathematical facts about the number 28909749825 from the Numbermatics database.
Names of 28909749825
- Cardinal: 28909749825 can be written as Twenty-eight billion, nine hundred nine million, seven hundred forty-nine thousand, eight hundred twenty-five.
Scientific notation
- Scientific notation: 2.8909749825 × 1010
Factors of 28909749825
Divisors of 28909749825
- Number of divisors d(n): 384
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Complete list of divisors:
1 3 5 9 11 15 25 27 29 31 33 45 55 61 71 75 87 93 99 135 145 155 165 183 213 225 261 275 279 297 305 319 341 355 435 465 495 549 639 671 675 725 775 781 783 825 837 899 915 957 1023 1065 1305 1395 1485 1525 1595 1647 1705 1769 1775 1891 1917 2013 2059 2175 2201 2325 2343 2475 2697 2745 2871 3069 3195 3355 3905 3915 4185 4331 4495 4575 4785 5115 5307 5325 5673 6039 6177 6525 6603 6975 7029 7425 7975 8091 8235 8525 8613 8845 9207 9455 9585 9889 10065 10295 11005 11715 12993 13485 13725 14355 15345 15921 15975 16775 17019 18117 18531 19459 19525 19575 19809 20801 20925 21087 21655 22475 22649 23925 24211 24273 25575 26535 28365 29667 30195 30885 33015 35145 38979 40455 41175 43065 44225 46035 47275 47641 47763 47925 49445 50325 51057 51475 54839 55025 55593 58377 58575 59427 62403 63829 64965 67425 67947 71775 72633 76725 79605 85095 89001 90585 92655 97295 99045 104005 105435 108275 113245 116937 121055 121365 125599 132675 134261 141825 142923 148335 150975 154425 164517 165075 175131 175725 187209 191487 194895 202275 203841 215325 217899 230175 238205 238815 247225 255285 267003 274195 277965 291885 297135 312015 319145 324825 339735 363165 376797 398025 402783 425475 428769 445005 452925 463275 486475 493551 495225 520025 525393 527175 561627 566225 574461 584685 603229 605275 606825 611523 627995 653697 671305 702119 714615 741675 822585 875655 936045 957435 974475 1019205 1089495 1130391 1191025 1194075 1208349 1276425 1286307 1335015 1370975 1381589 1389825 1459425 1476871 1480653 1485675 1560075 1595725 1698675 1723383 1809687 1815825 1883985 2013915 2106357 2143845 2225025 2467755 2626965 2808135 2872305 2923425 3016145 3057615 3139975 3268485 3356525 3391173 3510595 3573075 3625047 3893569 4112925 4144767 4378275 4430613 4680225 4787175 5096025 5429061 5447475 5651955 6041745 6319071 6431535 6675075 6907945 7384355 7403265 8616915 9048435 9419925 10069575 10531785 10719225 11680707 12338775 12434301 13134825 13291839 14040675 14361525 15080725 15288075 16287183 16342425 16955865 17552975 18125235 18957213 19467845 20723835 22153065 27145305 28259775 30208725 31595355 32157675 34539725 35042121 36921775 37016325 37302903 39875517 42829259 43084575 45242175 52658925 58403535 62171505 66459195 81435915 84779325 90626175 94786065 97339225 103619175 105126363 110765325 128487777 135726525 157976775 175210605 186514515 199377585 214146295 292017675 310857525 332295975 385463331 407179575 473930325 525631815 642438885 876053025 932572575 996887925 1070731475 1156389993 1927316655 2628159075 3212194425 5781949965 9636583275 28909749825
- Sum of all divisors σ(n): 63767347200
- Sum of proper divisors (its aliquot sum) s(n): 34857597375
- 28909749825 is an abundant number, because the sum of its proper divisors (34857597375) is greater than itself. Its abundance is 5947847550
Bases of 28909749825
- Binary: 110101110110010011111000110010000012
- Hexadecimal: 0x6BB27C641
- Base-36: DA449Q9
Squares and roots of 28909749825
- 28909749825 squared (289097498252) is 835773634944087530625
- 28909749825 cubed (289097498253) is 24162006696564448373270775890625
-
The
square root of 28909749825 is 170028.6735377301 -
The
cube root of 28909749825 is 3069.1264203381
Scales and comparisons
How big is 28909749825?- 28,909,749,825 seconds is equal to 919 years, 12 weeks, 3 days, 14 hours, 3 minutes, 45 seconds.
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To count from 1 to 28,909,749,825 would take you about one thousand, eight hundred thirty-eight 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 28909749825 cubic inches would be around 255.8 feet tall.
Recreational maths with 28909749825
- 28909749825 backwards is 52894790982
- The number of decimal digits it has is: 11
- The sum of 28909749825's digits is 63
- More coming soon!
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