1028021280
1,028,021,280 is an even composite number composed of seven prime numbers multiplied together.
1028021280 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1028021280:
25 × 3 × 5 × 11 × 13 × 17 × 881
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 13 × 17 × 881)See below for interesting mathematical facts about the number 1028021280 from the Numbermatics database.
Names of 1028021280
- Cardinal: 1028021280 can be written as One billion, twenty-eight million, twenty-one thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.02802128 × 109
Factors of 1028021280
Divisors of 1028021280
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 13 15 16 17 20 22 24 26 30 32 33 34 39 40 44 48 51 52 55 60 65 66 68 78 80 85 88 96 102 104 110 120 130 132 136 143 156 160 165 170 176 187 195 204 208 220 221 240 255 260 264 272 286 312 330 340 352 374 390 408 416 429 440 442 480 510 520 528 544 561 572 624 660 663 680 715 748 780 816 858 880 881 884 935 1020 1040 1056 1105 1122 1144 1248 1320 1326 1360 1430 1496 1560 1632 1716 1760 1762 1768 1870 2040 2080 2145 2210 2244 2288 2431 2640 2643 2652 2720 2805 2860 2992 3120 3315 3432 3524 3536 3740 4080 4290 4405 4420 4488 4576 4862 5280 5286 5304 5610 5720 5984 6240 6630 6864 7048 7072 7293 7480 8160 8580 8810 8840 8976 9691 9724 10572 10608 11220 11440 11453 12155 13215 13260 13728 14096 14586 14960 14977 17160 17620 17680 17952 19382 19448 21144 21216 22440 22880 22906 24310 26430 26520 28192 29073 29172 29920 29954 34320 34359 35240 35360 36465 38764 38896 42288 44880 44931 45812 48455 48620 52860 53040 57265 58146 58344 59908 68640 68718 70480 72930 74885 77528 77792 84576 89760 89862 91624 96910 97240 105720 106080 114530 116292 116688 119816 125983 137436 140960 145365 145860 149770 155056 164747 171795 179724 183248 193820 194480 194701 211440 224655 229060 232584 233376 239632 251966 274872 290730 291720 299540 310112 329494 343590 359448 366496 377949 387640 388960 389402 422880 449310 458120 465168 479264 494241 503932 549744 581460 583440 584103 599080 629915 658988 687180 718896 755898 775280 778804 823735 898620 916240 930336 973505 988482 1007864 1099488 1162920 1166880 1168206 1198160 1259830 1317976 1374360 1437792 1511796 1550560 1557608 1647470 1797240 1832480 1889745 1947010 1976964 2015728 2141711 2325840 2336412 2396320 2471205 2519660 2635952 2748720 2920515 3023592 3115216 3294940 3594480 3779490 3894020 3953928 4031456 4283422 4651680 4672824 4942410 5039320 5271904 5497440 5841030 6047184 6230432 6425133 6589880 7188960 7558980 7788040 7907856 8566844 9345648 9884820 10078640 10708555 11682060 12094368 12850266 13179760 15117960 15576080 15815712 17133688 18691296 19769640 20157280 21417110 23364120 25700532 26359520 30235920 31152160 32125665 34267376 39539280 42834220 46728240 51401064 60471840 64251330 68534752 79078560 85668440 93456480 102802128 128502660 171336880 205604256 257005320 342673760 514010640 1028021280
- Sum of all divisors σ(n): 4032758016
- Sum of proper divisors (its aliquot sum) s(n): 3004736736
- 1028021280 is an abundant number, because the sum of its proper divisors (3004736736) is greater than itself. Its abundance is 1976715456
Bases of 1028021280
- Binary: 1111010100011001011100001000002
- Hexadecimal: 0x3D465C20
- Base-36: H022AO
Squares and roots of 1028021280
- 1028021280 squared (10280212802) is 1056827752132838400
- 1028021280 cubed (10280212803) is 1086441418487123262001152000
-
The
square root of 1028021280 is 32062.7709345277 -
The
cube root of 1028021280 is 1009.2545163889
Scales and comparisons
How big is 1028021280?- 1,028,021,280 seconds is equal to 32 years, 35 weeks, 5 days, 9 hours, 28 minutes.
-
To count from 1 to 1,028,021,280 would take you about sixty-five 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 1028021280 cubic inches would be around 84.1 feet tall.
Recreational maths with 1028021280
- 1028021280 backwards is 0821208201
- 1028021280 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1028021280's digits is 24
- More coming soon!
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