28478937744

Names of 28478937744

• Cardinal: 28478937744 can be written as Twenty-eight billion, four hundred seventy-eight million, nine hundred thirty-seven thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.8478937744 × 10¹⁰

Factors of 28478937744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 104

Divisors of 28478937744

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 29 34 36 48 51 53 54 58 68 72 81 87 102 106 108 116 136 144 153 159 162 174 204 212 216 232 261 272 306 318 324 348 408 424 432 459 464 477 493 522 612 636 648 696 783 816 841 848 901 918 954 986 1044 1224 1272 1296 1377 1392 1431 1479 1537 1566 1682 1802 1836 1908 1972 2088 2349 2448 2523 2544 2703 2754 2862 2958 3074 3132 3364 3604 3672 3816 3944 4176 4293 4437 4611 4698 5046 5406 5508 5724 5916 6148 6264 6728 7208 7344 7569 7632 7888 8109 8586 8874 9222 9396 10092 10812 11016 11448 11832 12296 12528 13311 13456 13833 14297 14416 15138 16218 17172 17748 18444 18792 20184 21624 22032 22707 22896 23664 24327 24389 24592 26129 26622 27666 28594 30276 32436 34344 35496 36888 37584 39933 40368 41499 42891 43248 44573 45414 48654 48778 52258 53244 55332 57188 60552 64872 68121 68688 70992 72981 73167 73776 78387 79866 82998 85782 89146 90828 97308 97556 104516 106488 110664 114376 121104 124497 128673 129744 133719 136242 145962 146334 156774 159732 165996 171564 178292 181656 194616 195112 209032 212976 219501 221328 228752 235161 248994 257346 267438 272484 291924 292668 313548 319464 331992 343128 356584 363312 386019 389232 390224 401157 414613 418064 439002 470322 497988 514692 534876 544968 583848 585336 627096 638928 658503 663984 686256 705483 713168 757741 772038 802314 829226 878004 940644 995976 1029384 1069752 1089936 1158057 1167696 1170672 1203471 1243839 1254192 1292617 1317006 1410966 1515482 1544076 1604628 1658452 1756008 1881288 1975509 1991952 2058768 2116449 2139504 2273223 2316114 2406942 2487678 2585234 2634012 2821932 3030964 3088152 3209256 3316904 3512016 3610413 3731517 3762576 3877851 3951018 4232898 4546446 4632228 4813884 4975356 5170468 5268024 5643864 6061928 6176304 6418512 6633808 6819669 7220826 7463034 7755702 7902036 8465796 9092892 9264456 9627768 9950712 10340936 10536048 11194551 11287728 11633553 12123856 13639338 14441652 14926068 15511404 15804072 16931592 18185784 18528912 19255536 19901424 20459007 20681872 21974489 22389102 23267106 27278676 28883304 29852136 31022808 31608144 33583653 33863184 34900659 36371568 40918014 43948978 44778204 46534212 54557352 57766608 59704272 61377021 62045616 65923467 67167306 69801318 81836028 87897956 89556408 93068424 104701977 109114704 122754042 131846934 134334612 139602636 163672056 175795912 179112816 186136848 197770401 209403954 245508084 263693868 268669224 279205272 327344112 351591824 395540802 418807908 491016168 527387736 537338448 558410544 593311203 791081604 837615816 982032336 1054775472 1186622406 1582163208 1675231632 1779933609 2373244812 3164326416 3559867218 4746489624 7119734436 9492979248 14239468872 28478937744
• Sum of all divisors σ(n): 92097252720
• Sum of proper divisors (its aliquot sum) s(n): 63618314976
• 28478937744 is an abundant number, because the sum of its proper divisors (63618314976) is greater than itself. Its abundance is 35139377232

Bases of 28478937744

• Binary: 11010100001011110100001101010010000₂
• Hexadecimal: 0x6A17A1A90
• Base-36: D2ZMH00

Squares and roots of 28478937744

• 28478937744 squared (28478937744²) is 811049895026627809536
• 28478937744 cubed (28478937744³) is 23097839467741068610034833526784
• The square root of 28478937744 is 168757.0376132503
• The cube root of 28478937744 is 3053.8047203963

Scales and comparisons

• 28,478,937,744 seconds is equal to 905 years, 28 weeks, 1 day, 8 hours, 2 minutes, 24 seconds.
• To count from 1 to 28,478,937,744 would take you about one thousand, eight hundred eleven 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 28478937744 cubic inches would be around 254.5 feet tall.

Recreational maths with 28478937744

• 28478937744 backwards is 44773987482
• The number of decimal digits it has is: 11
• The sum of 28478937744's digits is 63
• More coming soon!