28979973440

Names of 28979973440

• Cardinal: 28979973440 can be written as Twenty-eight billion, nine hundred seventy-nine million, nine hundred seventy-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.897997344 × 10¹⁰

Factors of 28979973440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 484

Divisors of 28979973440

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 19 20 22 32 34 38 40 44 55 64 68 71 76 80 85 88 95 110 136 142 152 160 170 176 187 190 209 220 272 284 304 320 323 340 352 355 359 374 380 418 440 544 568 608 646 680 704 710 718 748 760 781 836 880 935 1045 1088 1136 1207 1216 1292 1349 1360 1420 1436 1496 1520 1562 1615 1672 1760 1795 1870 2090 2272 2414 2584 2698 2720 2840 2872 2992 3040 3124 3230 3344 3520 3553 3590 3740 3905 3949 4180 4544 4828 5168 5396 5440 5680 5744 5984 6035 6080 6103 6248 6460 6688 6745 6821 7106 7180 7480 7810 7898 8360 9656 10336 10792 11360 11488 11968 12070 12206 12496 12920 13277 13376 13490 13642 14212 14360 14839 14960 15620 15796 16720 17765 19312 19745 20672 21584 22720 22933 22976 24140 24412 24992 25489 25840 26554 26980 27284 28424 28720 29678 29920 30515 31240 31592 33440 34105 35530 38624 39490 43168 45866 48280 48824 49984 50978 51680 53108 53960 54568 56848 57440 59356 59840 61030 62480 63184 66385 66880 67133 68210 71060 74195 75031 77248 78980 86336 91732 96560 97648 101956 103360 106216 107920 109136 113696 114665 114880 115957 118712 122060 124960 126368 127445 132770 134266 136420 142120 148390 150062 157960 183464 193120 195296 203912 212432 215840 218272 227392 229330 231914 237424 244120 249920 252263 252736 254890 265540 268532 272840 280379 284240 296780 300124 315920 335665 366928 375155 386240 390592 407824 424864 431680 433313 436544 458660 463828 474848 484291 488240 504526 509780 531080 537064 545680 560758 568480 579785 593560 600248 631840 671330 733856 750310 815648 849728 866626 917320 927656 949696 968582 976480 1009052 1019560 1062160 1074128 1091360 1121516 1136960 1159570 1187120 1200496 1261315 1263680 1275527 1342660 1401895 1467712 1500620 1631296 1733252 1834640 1855312 1937164 1952960 2018104 2039120 2124320 2148256 2166565 2182720 2243032 2319140 2374240 2400992 2421455 2522630 2551054 2685320 2803790 3001240 3466504 3669280 3710624 3874328 4036208 4078240 4248640 4296512 4333130 4486064 4638280 4748480 4766443 4801984 4842910 5045260 5102108 5327201 5370640 5607580 6002480 6377635 6933008 7338560 7421248 7748656 8072416 8156480 8232947 8666260 8972128 9276560 9532886 9685820 10090520 10204216 10654402 10741280 11215160 12004960 12755270 13866016 15497312 16144832 16465894 17332520 17944256 18553120 19065772 19371640 20181040 20408432 21308804 21482560 22430320 23832215 24009920 25510540 26636005 27732032 30994624 32931788 34665040 37106240 38131544 38743280 40362080 40816864 41164735 42617608 44860640 47664430 51021080 53272010 65863576 69330080 76263088 77486560 80724160 81633728 82329470 85235216 89721280 90562417 95328860 102042160 106544020 131727152 138660160 152526176 154973120 164658940 170470432 181124834 190657720 204084320 213088040 263454304 305052352 329317880 340940864 362249668 381315440 408168640 426176080 452812085 526908608 658635760 724499336 762630880 852352160 905624170 1317271520 1448998672 1525261760 1704704320 1811248340 2634543040 2897997344 3622496680 5795994688 7244993360 14489986720 28979973440
• Sum of all divisors σ(n): 85324492800
• Sum of proper divisors (its aliquot sum) s(n): 56344519360
• 28979973440 is an abundant number, because the sum of its proper divisors (56344519360) is greater than itself. Its abundance is 27364545920

Bases of 28979973440

• Binary: 11010111111010101110100110101000000₂
• Hexadecimal: 0x6BF574D40
• Base-36: DB9XEM8

Squares and roots of 28979973440

• 28979973440 squared (28979973440²) is 839838860583105433600
• 28979973440 cubed (28979973440³) is 24338507873578258378447683584000
• The square root of 28979973440 is 170235.0534995657
• The cube root of 28979973440 is 3071.6094451591

Scales and comparisons

• 28,979,973,440 seconds is equal to 921 years, 24 weeks, 4 days, 8 hours, 37 minutes, 20 seconds.
• To count from 1 to 28,979,973,440 would take you about one thousand, eight hundred forty-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 28979973440 cubic inches would be around 256 feet tall.

Recreational maths with 28979973440

• 28979973440 backwards is 04437997982
• The number of decimal digits it has is: 11
• The sum of 28979973440's digits is 62
• More coming soon!