28013132420
28,013,132,420 is an even composite number composed of six prime numbers multiplied together.
28013132420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 28013132420:
22 × 5 × 73 × 132 × 73 × 331
(2 × 2 × 5 × 7 × 7 × 7 × 13 × 13 × 73 × 331)See below for interesting mathematical facts about the number 28013132420 from the Numbermatics database.
Names of 28013132420
- Cardinal: 28013132420 can be written as Twenty-eight billion, thirteen million, one hundred thirty-two thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.801313242 × 1010
Factors of 28013132420
Divisors of 28013132420
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 73 91 98 130 140 146 169 182 196 245 260 292 331 338 343 364 365 455 490 511 637 662 676 686 730 845 910 949 980 1022 1183 1274 1324 1372 1460 1655 1690 1715 1820 1898 2044 2317 2366 2548 2555 3185 3310 3380 3430 3577 3796 4303 4459 4634 4732 4745 5110 5915 6370 6620 6643 6860 7154 8281 8606 8918 9268 9490 10220 11585 11830 12337 12740 13286 14308 16219 16562 17212 17836 17885 18980 21515 22295 23170 23660 24163 24674 25039 26572 30121 32438 33124 33215 35770 41405 43030 44590 46340 46501 48326 49348 50078 55939 57967 60242 61685 64876 66430 71540 81095 82810 86060 86359 89180 93002 96652 100156 111878 113533 115934 120484 120815 123370 125195 132860 150605 162190 165620 169141 172718 186004 210847 223756 227066 231868 232505 241630 246740 250390 279695 289835 301210 314119 324380 325507 338282 345436 391573 421694 431795 454132 465010 483260 500780 559390 567665 579670 602420 604513 628238 651014 676564 783146 843388 845705 863590 930020 1054235 1118780 1135330 1159340 1183987 1209026 1256476 1302028 1475929 1566292 1570595 1627535 1691410 1727180 1957865 2108470 2198833 2270660 2367974 2418052 2741011 2951858 3022565 3141190 3255070 3382820 3915730 4083547 4216940 4231591 4397666 4735948 5482022 5903716 5919935 6045130 6282380 6510140 7379645 7831460 8167094 8287909 8463182 8795332 10964044 10994165 11839870 12090260 13705055 14759290 15391831 16334188 16575818 16926364 19187077 20417735 21157955 21988330 23679740 27410110 28584829 29518580 30783662 33151636 38374154 40835470 41439545 42315910 43976660 54820220 57169658 61567324 76748308 76959155 81670940 82879090 84631820 95935385 107742817 114339316 142924145 153918310 165758180 191870770 200093803 215485634 285848290 307836620 383741540 400187606 430971268 538714085 571696580 800375212 1000469015 1077428170 1400656621 2000938030 2154856340 2801313242 4001876060 5602626484 7003283105 14006566210 28013132420
- Sum of all divisors σ(n): 75531859200
- Sum of proper divisors (its aliquot sum) s(n): 47518726780
- 28013132420 is an abundant number, because the sum of its proper divisors (47518726780) is greater than itself. Its abundance is 19505594360
Bases of 28013132420
- Binary: 110100001011011011001111010100001002
- Hexadecimal: 0x685B67A84
- Base-36: CVAANB8
Squares and roots of 28013132420
- 28013132420 squared (280131324202) is 784735587980455056400
- 28013132420 cubed (280131324203) is 21982901940783047866791768488000
-
The
square root of 28013132420 is 167371.2413170195 -
The
cube root of 28013132420 is 3037.0636329345
Scales and comparisons
How big is 28013132420?- 28,013,132,420 seconds is equal to 890 years, 38 weeks, 1 hour, 40 minutes, 20 seconds.
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To count from 1 to 28,013,132,420 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 28013132420 cubic inches would be around 253.1 feet tall.
Recreational maths with 28013132420
- 28013132420 backwards is 02423131082
- 28013132420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28013132420's digits is 26
- More coming soon!
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