28020517140

Names of 28020517140

• Cardinal: 28020517140 can be written as Twenty-eight billion, twenty million, five hundred seventeen thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.802051714 × 10¹⁰

Factors of 28020517140

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5341

Divisors of 28020517140

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 19 20 21 22 28 30 33 35 38 42 44 55 57 60 61 66 70 76 77 84 95 105 110 114 122 132 133 140 154 165 183 190 209 210 220 228 231 244 266 285 305 308 330 366 380 385 399 418 420 427 462 532 570 610 627 660 665 671 732 770 798 836 854 915 924 1045 1140 1155 1159 1220 1254 1281 1330 1342 1463 1540 1596 1708 1830 1995 2013 2090 2135 2310 2318 2508 2562 2660 2684 2926 3135 3355 3477 3660 3990 4026 4180 4270 4389 4620 4636 4697 5124 5233 5795 5852 6270 6405 6710 6954 7315 7980 8052 8113 8540 8778 9394 10065 10466 11590 12540 12749 12810 13420 13908 14091 14630 15699 16226 17385 17556 18788 20130 20932 21945 23180 23485 24339 25498 25620 26165 28182 29260 31398 32452 34770 36631 38247 40260 40565 43890 46970 48678 50996 52330 56364 57563 62796 63745 69540 70455 73262 76494 78495 81130 87780 89243 93940 97356 99427 104660 109893 115126 121695 127490 140910 146524 152988 156990 162260 172689 178486 183155 191235 198854 219786 230252 243390 254980 267729 281820 287815 298281 313980 319213 345378 356972 366310 382470 397708 402941 439572 446215 486780 497135 535458 549465 575630 596562 638426 690756 695989 732620 764940 805882 863445 892430 957639 994270 1070916 1093697 1098930 1151260 1193124 1208823 1276852 1338645 1391978 1491405 1596065 1611764 1726890 1784860 1915278 1988540 2014705 2087967 2187394 2197860 2234491 2417646 2677290 2783956 2982810 3192130 3281091 3453780 3479945 3511343 3830556 4029410 4175934 4374788 4468982 4788195 4835292 5354580 5468485 5965620 6044115 6065047 6384260 6562182 6703473 6959890 7022686 7655879 8058820 8351868 8937964 9576390 10439835 10534029 10936970 11172455 12088230 12130094 13124364 13406946 13919780 14045372 15311758 16405455 17556715 18195141 19152780 20879670 21068058 21873940 22344910 22967637 24176460 24260188 24579401 26813892 30325235 30623516 32810910 33517365 35113430 36390282 38279395 41759340 42136116 42455329 44689820 45935274 49158802 52670145 60650470 65621820 66715517 67034730 70226860 72780564 73738203 76558790 84910658 90975705 91870548 98317604 105340290 114838185 121300940 122897005 127365987 133431034 134069460 147476406 153117580 169821316 181951410 200146551 210680580 212276645 229676370 245794010 254731974 266862068 294952812 333577585 363902820 368691015 400293102 424553290 459352740 467008619 491588020 509463948 636829935 667155170 737382030 800586204 849106580 934017238 1000732755 1273659870 1334310340 1401025857 1474764060 1868034476 2001465510 2335043095 2547319740 2802051714 4002931020 4670086190 5604103428 7005129285 9340172380 14010258570 28020517140
• Sum of all divisors σ(n): 104673300480
• Sum of proper divisors (its aliquot sum) s(n): 76652783340
• 28020517140 is an abundant number, because the sum of its proper divisors (76652783340) is greater than itself. Its abundance is 48632266200

Bases of 28020517140

• Binary: 11010000110001001110010100100010100₂
• Hexadecimal: 0x686272914
• Base-36: CVEOXEC

Squares and roots of 28020517140

• 28020517140 squared (28020517140²) is 785149380793033779600
• 28020517140 cubed (28020517140³) is 22000291681971589813880782344000
• The square root of 28020517140 is 167393.3007620077
• The cube root of 28020517140 is 3037.3304827073

Scales and comparisons

• 28,020,517,140 seconds is equal to 890 years, 50 weeks, 1 day, 12 hours, 59 minutes.
• To count from 1 to 28,020,517,140 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 28020517140 cubic inches would be around 253.1 feet tall.

Recreational maths with 28020517140

• 28020517140 backwards is 04171502082
• 28020517140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28020517140's digits is 30
• More coming soon!