28189458990

Names of 28189458990

• Cardinal: 28189458990 can be written as Twenty-eight billion, one hundred eighty-nine million, four hundred fifty-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.818945899 × 10¹⁰

Factors of 28189458990

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 334

Divisors of 28189458990

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 29 30 33 34 35 37 42 45 51 55 58 63 66 70 74 77 85 87 90 99 102 105 110 111 119 126 145 153 154 165 170 174 185 187 198 203 210 222 223 231 238 255 259 261 290 306 315 319 330 333 357 370 374 385 406 407 435 446 462 493 495 510 518 522 555 561 595 609 629 630 638 666 669 693 714 765 770 777 814 870 935 957 986 990 1015 1071 1073 1110 1115 1122 1155 1190 1218 1221 1258 1295 1305 1309 1338 1386 1479 1530 1554 1561 1595 1665 1683 1785 1827 1870 1887 1914 2007 2030 2035 2142 2146 2230 2233 2310 2331 2442 2453 2465 2590 2610 2618 2805 2849 2871 2958 3045 3122 3145 3190 3219 3330 3345 3366 3451 3465 3570 3654 3663 3774 3791 3885 3927 4014 4070 4403 4437 4466 4662 4683 4785 4906 4930 5355 5365 5423 5610 5661 5698 5742 6090 6105 6290 6438 6467 6545 6690 6699 6902 6919 6930 7326 7359 7395 7511 7582 7770 7805 7854 8251 8415 8547 8806 8874 9135 9366 9435 9570 9657 10035 10353 10710 10730 10846 11165 11322 11373 11655 11781 11803 12210 12265 12934 13090 13209 13398 13838 14049 14245 14355 14718 14790 15022 15610 16095 16269 16502 16830 17094 17171 17255 18241 18270 18315 18870 18955 19314 19401 19635 20070 20097 20706 20757 22015 22077 22185 22330 22533 22746 23310 23415 23562 23606 24530 24753 25641 26418 26537 27115 28098 28305 28490 28710 31059 32190 32335 32538 33495 34119 34342 34510 34595 35409 36482 36630 36795 37555 37910 37961 38802 39270 39627 40194 41255 41514 41701 42735 44030 44154 44370 45066 45269 46830 48285 48433 48807 49506 51282 51513 51765 53074 54230 54723 56610 56865 57757 58203 58905 59015 62118 62271 64670 66045 66990 67599 68238 69190 70245 70818 71137 73590 74259 75110 75922 79254 79611 81345 82510 82621 83402 85470 85855 90538 90761 91205 96570 96866 97005 97614 100485 103026 103530 103785 106227 109446 109939 110385 112665 113730 113883 115514 116406 117810 118030 123765 124542 125103 127687 128205 132090 132685 135198 135807 140267 140490 142274 145299 148518 154539 155295 159222 162690 164169 165242 170595 171710 173271 177045 181522 182410 189805 194010 198135 200651 200970 207570 208505 212454 213411 219878 220770 225330 226345 227766 238833 239279 242165 244035 247530 247863 250206 255374 256410 257565 265370 271614 272283 273615 280534 288785 290598 291015 291907 309078 310590 311355 328338 329817 337995 341190 341649 346542 354090 355685 371295 375309 379610 383061 396270 398055 401302 407421 413105 417010 420801 426822 435897 452690 453805 477666 478558 484330 488070 495726 497959 515130 519813 531135 544566 547230 549695 569415 577570 582030 583814 601953 622710 625515 635327 638435 640233 659634 675990 679035 683298 701335 711370 717837 726495 742590 743589 750618 766122 769573 772695 796110 814842 816849 820845 826210 841602 866355 871794 875721 907610 981869 989451 995918 1003255 1039626 1062270 1067055 1099390 1138830 1149183 1194165 1196395 1203906 1209329 1239315 1251030 1262403 1270654 1276870 1280466 1358070 1361415 1402670 1404557 1435674 1452990 1459535 1487178 1493877 1539146 1542937 1545390 1633698 1641690 1649085 1674953 1708245 1732710 1751442 1805859 1876545 1905981 1915305 1963738 1978902 2006510 2037105 2104005 2134110 2153511 2179485 2298366 2308719 2388330 2392790 2418658 2478630 2489795 2524806 2599065 2627163 2632069 2722830 2809114 2919070 2945607 2987754 3009765 3085874 3176635 3201165 3298170 3349906 3416490 3589185 3611718 3627987 3717945 3753090 3811962 3830610 3847865 4067743 4074210 4084245 4208010 4213671 4307022 4358970 4378605 4481631 4617438 4628811 4909345 4947255 4979590 5024859 5198130 5254326 5264138 5717943 5745915 5891214 6019530 6046645 6312015 6353270 6402330 6926157 7022785 7178370 7255974 7435890 7469385 7695730 7714685 7896207 8135486 8168490 8374765 8427342 8465303 8757210 8836821 8963262 9029295 9257622 9529905 9818690 9894510 10049718 10767555 10800559 10883961 11435886 11491830 11543595 12093290 12203229 12624030 12641013 13135815 13160345 13852314 13886433 14045570 14728035 14938770 15074577 15429370 15792414 16749530 16930606 17673642 18058590 18139935 18424483 19059810 20338715 21068355 21535110 21601118 21767922 22408155 23087190 23144055 23688621 24406458 25124295 25282026 25395909 26271630 26320690 27772866 28474201 28589715 29456070 30149154 32401677 34630785 36279870 36609687 36848966 39481035 40677430 42136710 42326515 44184105 44745173 44816310 46288110 47377242 50248590 50791818 54002795 54419805 55273449 56948402 57179430 61016145 63205065 64803354 69261570 69432165 73219374 75372885 76187727 78962070 84653030 85422603 88368210 89490346 92122415 97205031 108005590 108839610 110546898 118443105 122032290 126410130 126979545 134235519 138864330 142371005 150745770 152375454 162008385 165820347 170845206 183048435 184244830 194410062 223725865 236886210 253959090 256267809 268471038 276367245 284742010 313216211 324016770 331640694 366096870 380938635 402706557 427113015 447451730 486025155 512535618 552734490 626432422 671177595 761877270 805413114 829101735 854226030 939648633 972050310 1281339045 1342355190 1566081055 1658203470 1879297266 2013532785 2562678090 2818945899 3132162110 4027065570 4698243165 5637891798 9396486330 14094729495 28189458990
• Sum of all divisors σ(n): 103255326720
• Sum of proper divisors (its aliquot sum) s(n): 75065867730
• 28189458990 is an abundant number, because the sum of its proper divisors (75065867730) is greater than itself. Its abundance is 46876408740

Bases of 28189458990

• Binary: 11010010000001110010000001000101110₂
• Hexadecimal: 0x69039022E
• Base-36: CY79XRI

Squares and roots of 28189458990

• 28189458990 squared (28189458990²) is 794645598148891820100
• 28189458990 cubed (28189458990³) is 22400629500602205876655407699000
• The square root of 28189458990 is 167897.1679034521
• The cube root of 28189458990 is 3043.4224998105

Scales and comparisons

• 28,189,458,990 seconds is equal to 896 years, 17 weeks, 3 days, 21 hours, 16 minutes, 30 seconds.
• To count from 1 to 28,189,458,990 would take you about one thousand, seven hundred ninety-two 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 28189458990 cubic inches would be around 253.6 feet tall.

Recreational maths with 28189458990

• 28189458990 backwards is 09985498182
• 28189458990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28189458990's digits is 63
• More coming soon!