28948969728

Names of 28948969728

• Cardinal: 28948969728 can be written as Twenty-eight billion, nine hundred forty-eight million, nine hundred sixty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8948969728 × 10¹⁰

Factors of 28948969728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 136

Divisors of 28948969728

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 53 54 56 63 64 71 72 81 84 96 106 108 112 126 128 142 144 159 162 168 189 192 212 213 216 224 252 256 284 288 318 324 336 371 378 384 424 426 432 448 477 497 504 567 568 576 636 639 648 672 742 756 768 848 852 864 896 954 994 1008 1113 1134 1136 1152 1272 1278 1296 1344 1431 1484 1491 1512 1696 1704 1728 1792 1908 1917 1988 2016 2226 2268 2272 2304 2544 2556 2592 2688 2809 2862 2968 2982 3024 3339 3392 3408 3456 3763 3816 3834 3976 4032 4293 4452 4473 4536 4544 5088 5112 5184 5376 5618 5724 5751 5936 5964 6048 6678 6784 6816 6912 7526 7632 7668 7952 8064 8427 8586 8904 8946 9072 9088 10017 10176 10224 10368 11236 11289 11448 11502 11872 11928 12096 13356 13419 13568 13632 15052 15264 15336 15904 16128 16854 17172 17808 17892 18144 18176 19663 20034 20352 20448 20736 22472 22578 22896 23004 23744 23856 24192 25281 26341 26712 26838 27264 30051 30104 30528 30672 31808 33708 33867 34344 35616 35784 36288 39326 40068 40257 40704 40896 44944 45156 45792 46008 47488 47712 48384 50562 52682 53424 53676 54528 58989 60102 60208 61056 61344 63616 67416 67734 68688 71232 71568 72576 75843 78652 79023 80136 80514 81792 89888 90312 91584 92016 94976 95424 101124 101601 105364 106848 107352 117978 120204 120416 122112 122688 127232 134832 135468 137376 142464 143136 145152 151686 157304 158046 160272 161028 163584 176967 179776 180624 183168 184032 190848 199439 202248 203202 210728 213696 214704 227529 235956 237069 240408 240832 245376 269664 270936 274752 284928 286272 303372 304803 314608 316092 320544 322056 353934 359552 361248 366336 368064 381696 398878 404496 406404 421456 427392 429408 455058 471912 474138 480816 481664 490752 530901 539328 541872 549504 572544 598317 606744 609606 629216 632184 641088 644112 707868 711207 719104 722496 736128 797756 808992 812808 842912 854784 858816 910116 943824 948276 961632 963328 1061802 1078656 1083744 1099008 1145088 1196634 1213488 1219212 1258432 1264368 1282176 1288224 1396073 1415736 1422414 1444992 1472256 1592703 1595512 1617984 1625616 1685824 1717632 1794951 1820232 1887648 1896552 1923264 2123604 2133621 2157312 2167488 2393268 2426976 2438424 2516864 2528736 2564352 2576448 2792146 2831472 2844828 2889984 3185406 3191024 3235968 3251232 3371648 3435264 3589902 3640464 3775296 3793104 3846528 4188219 4247208 4267242 4334976 4786536 4853952 4876848 5033728 5057472 5152896 5384853 5584292 5662944 5689656 6370812 6382048 6471936 6502464 6743296 7179804 7280928 7550592 7586208 7693056 8376438 8494416 8534484 8669952 9573072 9707904 9753696 10114944 10305792 10769706 11168584 11325888 11379312 12564657 12741624 12764096 13004928 14359608 14561856 15101184 15172416 16154559 16752876 16988832 17068968 19146144 19415808 19507392 20229888 21539412 22337168 22651776 22758624 25129314 25483248 25528192 26009856 28719216 29123712 30344832 32309118 33505752 33977664 34137936 37693971 38292288 39014784 43078824 44674336 45303552 45517248 50258628 50966496 51056384 57438432 58247424 60689664 64618236 67011504 67955328 68275872 75387942 76584576 78029568 86157648 89348672 91034496 100517256 101932992 113081913 114876864 129236472 134023008 135910656 136551744 150775884 153169152 172315296 178697344 182068992 201034512 203865984 226163826 229753728 258472944 268046016 273103488 301551768 344630592 357394688 402069024 407731968 452327652 459507456 516945888 536092032 546206976 603103536 689261184 804138048 904655304 1033891776 1072184064 1206207072 1378522368 1608276096 1809310608 2067783552 2412414144 3216552192 3618621216 4135567104 4824828288 7237242432 9649656576 14474484864 28948969728
• Sum of all divisors σ(n): 101964760128
• Sum of proper divisors (its aliquot sum) s(n): 73015790400
• 28948969728 is an abundant number, because the sum of its proper divisors (73015790400) is greater than itself. Its abundance is 44066820672

Bases of 28948969728

• Binary: 11010111101011111100011100100000000₂
• Hexadecimal: 0x6BD7E3900
• Base-36: DARGW00

Squares and roots of 28948969728

• 28948969728 squared (28948969728²) is 838042848312660393984
• 28948969728 cubed (28948969728³) is 24260477046570101624587369316352
• The square root of 28948969728 is 170143.9676509279
• The cube root of 28948969728 is 3070.5136852945

Scales and comparisons

• 28,948,969,728 seconds is equal to 920 years, 25 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 28,948,969,728 would take you about one thousand, eight hundred forty 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 28948969728 cubic inches would be around 255.9 feet tall.

Recreational maths with 28948969728

• 28948969728 backwards is 82796984982
• 28948969728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28948969728's digits is 72
• More coming soon!