28020937728

Names of 28020937728

• Cardinal: 28020937728 can be written as Twenty-eight billion, twenty million, nine hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8020937728 × 10¹⁰

Factors of 28020937728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 172

Divisors of 28020937728

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 49 56 58 64 84 87 96 98 112 116 128 131 147 168 174 192 196 203 224 232 256 262 294 336 343 348 384 392 393 406 448 464 512 524 588 609 672 686 696 768 784 786 812 896 917 928 1024 1029 1048 1176 1218 1344 1372 1392 1421 1536 1568 1572 1624 1792 1834 1856 2058 2096 2352 2401 2436 2688 2744 2751 2784 2842 3072 3136 3144 3248 3584 3668 3712 3799 4116 4192 4263 4704 4802 4872 5376 5488 5502 5568 5684 6272 6288 6419 6496 7168 7203 7336 7424 7598 8232 8384 8526 9408 9604 9744 9947 10752 10976 11004 11136 11368 11397 12544 12576 12838 12992 14406 14672 14848 15196 16464 16768 17052 18816 19208 19257 19488 19894 21504 21952 22008 22272 22736 22794 25088 25152 25676 25984 26593 28812 29344 29696 29841 30392 32928 33536 34104 37632 38416 38514 38976 39788 43904 44016 44544 44933 45472 45588 50176 50304 51352 51968 53186 57624 58688 59682 60784 65856 67072 68208 69629 75264 76832 77028 77952 79576 79779 87808 88032 89088 89866 90944 91176 100608 102704 103936 106372 115248 117376 119364 121568 131712 134144 134799 136416 139258 150528 153664 154056 155904 159152 159558 175616 176064 179732 181888 182352 186151 201216 205408 207872 208887 212744 230496 234752 238728 243136 263424 269598 272832 278516 307328 308112 311808 314531 318304 319116 351232 352128 359464 363776 364704 372302 402432 410816 417774 425488 460992 469504 477456 486272 526848 539196 545664 557032 558453 614656 616224 623616 629062 636608 638232 704256 718928 727552 729408 744604 821632 835548 850976 921984 939008 943593 954912 972544 1053696 1078392 1091328 1114064 1116906 1229312 1232448 1258124 1273216 1276464 1303057 1408512 1437856 1455104 1458816 1489208 1643264 1671096 1701952 1843968 1887186 1909824 1945088 2156784 2182656 2228128 2233812 2458624 2464896 2516248 2546432 2552928 2606114 2817024 2875712 2917632 2978416 3286528 3342192 3403904 3687936 3774372 3819648 3890176 3909171 4313568 4365312 4456256 4467624 4929792 5032496 5092864 5105856 5212228 5751424 5835264 5956832 6573056 6684384 6807808 7375872 7548744 7639296 7818342 8627136 8912512 8935248 9121399 9859584 10064992 10185728 10211712 10424456 11502848 11670528 11913664 13368768 13615616 15097488 15278592 15636684 17254272 17825024 17870496 18242798 19719168 20129984 20423424 20848912 23005696 23827328 26737536 27231232 27364197 30194976 30557184 31273368 34508544 35650048 35740992 36485596 40259968 40846848 41697824 46011392 47654656 53475072 54728394 60389952 62546736 69017088 71300096 71481984 72971192 80519936 81693696 83395648 95309312 106950144 109456788 120779904 125093472 138034176 142963968 145942384 161039872 166791296 190618624 213900288 218913576 241559808 250186944 285927936 291884768 322079744 333582592 437827152 483119616 500373888 571855872 583769536 667165184 875654304 966239232 1000747776 1167539072 1334330368 1751308608 2001495552 2335078144 3502617216 4002991104 4670156288 7005234432 9340312576 14010468864 28020937728
• Sum of all divisors σ(n): 90820968480
• Sum of proper divisors (its aliquot sum) s(n): 62800030752
• 28020937728 is an abundant number, because the sum of its proper divisors (62800030752) is greater than itself. Its abundance is 34779093024

Bases of 28020937728

• Binary: 11010000110001011011001010000000000₂
• Hexadecimal: 0x6862D9400
• Base-36: CVEXXXC

Squares and roots of 28020937728

• 28020937728 squared (28020937728²) is 785172951156453801984
• 28020937728 cubed (28020937728³) is 22001282370064977570702506852352
• The square root of 28020937728 is 167394.5570441285
• The cube root of 28020937728 is 3037.3456794093

Scales and comparisons

• 28,020,937,728 seconds is equal to 890 years, 50 weeks, 6 days, 9 hours, 48 minutes, 48 seconds.
• To count from 1 to 28,020,937,728 would take you about one thousand, seven hundred eighty-one 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 28020937728 cubic inches would be around 253.1 feet tall.

Recreational maths with 28020937728

• 28020937728 backwards is 82773902082
• 28020937728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28020937728's digits is 48
• More coming soon!