28026387840
28,026,387,840 is an even composite number composed of five prime numbers multiplied together.
28026387840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 28026387840:
27 × 3 × 5 × 114 × 997
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 11 × 11 × 11 × 997)See below for interesting mathematical facts about the number 28026387840 from the Numbermatics database.
Names of 28026387840
- Cardinal: 28026387840 can be written as Twenty-eight billion, twenty-six million, three hundred eighty-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.802638784 × 1010
Factors of 28026387840
Divisors of 28026387840
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 121 128 132 160 165 176 192 220 240 242 264 320 330 352 363 384 440 480 484 528 605 640 660 704 726 880 960 968 997 1056 1210 1320 1331 1408 1452 1760 1815 1920 1936 1994 2112 2420 2640 2662 2904 2991 3520 3630 3872 3988 3993 4224 4840 4985 5280 5324 5808 5982 6655 7040 7260 7744 7976 7986 9680 9970 10560 10648 10967 11616 11964 13310 14520 14641 14955 15488 15952 15972 19360 19940 19965 21120 21296 21934 23232 23928 26620 29040 29282 29910 31904 31944 32901 38720 39880 39930 42592 43868 43923 46464 47856 53240 54835 58080 58564 59820 63808 63888 65802 73205 77440 79760 79860 85184 87736 87846 95712 106480 109670 116160 117128 119640 120637 127616 127776 131604 146410 159520 159720 164505 170368 175472 175692 191424 212960 219340 219615 232320 234256 239280 241274 255552 263208 292820 319040 319440 329010 350944 351384 361911 382848 425920 438680 439230 468512 478560 482548 511104 526416 585640 603185 638080 638880 658020 701888 702768 723822 851840 877360 878460 937024 957120 965096 1052832 1171280 1206370 1277760 1316040 1327007 1403776 1405536 1447644 1754720 1756920 1809555 1874048 1914240 1930192 2105664 2342560 2412740 2555520 2632080 2654014 2811072 2895288 3509440 3513840 3619110 3860384 3981021 4211328 4685120 4825480 5264160 5308028 5622144 5790576 6635035 7018880 7027680 7238220 7720768 7962042 9370240 9650960 10528320 10616056 11581152 13270070 14055360 14476440 14597077 15441536 15924084 19301920 19905105 21056640 21232112 23162304 26540140 28110720 28952880 29194154 31848168 38603840 39810210 42464224 43791231 46324608 53080280 57905760 58388308 63696336 72985385 77207680 79620420 84928448 87582462 106160560 115811520 116776616 127392672 145970770 159240840 169856896 175164924 212321120 218956155 231623040 233553232 254785344 291941540 318481680 350329848 424642240 437912310 467106464 509570688 583883080 636963360 700659696 849284480 875824620 934212928 1167766160 1273926720 1401319392 1751649240 1868425856 2335532320 2547853440 2802638784 3503298480 4671064640 5605277568 7006596960 9342129280 14013193920 28026387840
- Sum of all divisors σ(n): 98365474800
- Sum of proper divisors (its aliquot sum) s(n): 70339086960
- 28026387840 is an abundant number, because the sum of its proper divisors (70339086960) is greater than itself. Its abundance is 42312699120
Bases of 28026387840
- Binary: 110100001101000000010111101100000002
- Hexadecimal: 0x68680BD80
- Base-36: CVI6R9C
Squares and roots of 28026387840
- 28026387840 squared (280263878402) is 785478415358099865600
- 28026387840 cubed (280263878403) is 22014122708774719318757474304000
-
The
square root of 28026387840 is 167410.8354916133 -
The
cube root of 28026387840 is 3037.5425893195
Scales and comparisons
How big is 28026387840?- 28,026,387,840 seconds is equal to 891 years, 7 weeks, 6 days, 11 hours, 44 minutes.
-
To count from 1 to 28,026,387,840 would take you about one thousand, seven hundred eighty-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 28026387840 cubic inches would be around 253.1 feet tall.
Recreational maths with 28026387840
- 28026387840 backwards is 04878362082
- 28026387840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28026387840's digits is 48
- More coming soon!
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