1421393820
1,421,393,820 is an even composite number composed of seven prime numbers multiplied together.
1421393820 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 1421393820:
22 × 3 × 5 × 7 × 11 × 29 × 1032
(2 × 2 × 3 × 5 × 7 × 11 × 29 × 103 × 103)See below for interesting mathematical facts about the number 1421393820 from the Numbermatics database.
Names of 1421393820
- Cardinal: 1421393820 can be written as One billion, four hundred twenty-one million, three hundred ninety-three thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.42139382 × 109
Factors of 1421393820
Divisors of 1421393820
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 29 30 33 35 42 44 55 58 60 66 70 77 84 87 103 105 110 116 132 140 145 154 165 174 203 206 210 220 231 290 308 309 319 330 348 385 406 412 420 435 462 515 580 609 618 638 660 721 770 812 870 924 957 1015 1030 1133 1155 1218 1236 1276 1442 1540 1545 1595 1740 1914 2030 2060 2163 2233 2266 2310 2436 2884 2987 3045 3090 3190 3399 3605 3828 4060 4326 4466 4532 4620 4785 5665 5974 6090 6180 6380 6699 6798 7210 7931 8652 8932 8961 9570 10609 10815 11165 11330 11948 12180 13398 13596 14420 14935 15862 16995 17922 19140 20909 21218 21630 22330 22660 23793 26796 29870 31724 31827 32857 33495 33990 35844 39655 41818 42436 43260 44660 44805 47586 53045 59740 62727 63654 65714 66990 67980 74263 79310 83636 89610 95172 98571 104545 106090 116699 118965 125454 127308 131428 133980 148526 158620 159135 164285 179220 197142 209090 212180 222789 229999 233398 237930 250908 297052 307661 313635 318270 328570 350097 371315 394284 418180 445578 459998 466796 475860 492855 583495 615322 627270 636540 657140 689997 700194 742630 816893 891156 919996 922983 985710 1113945 1149995 1166990 1230644 1254540 1379994 1400388 1485260 1538305 1633786 1750485 1845966 1971420 2153627 2227890 2299990 2333980 2450679 2759988 3076610 3267572 3384271 3449985 3500970 3691932 4084465 4307254 4455780 4599980 4614915 4901358 6153220 6460881 6768542 6899970 7001940 8168930 8614508 9229830 9802716 10152813 10768135 12253395 12921762 13537084 13799940 16337860 16921355 18459660 20305626 21536270 23689897 24506790 25843524 32304405 33842710 40611252 43072540 47379794 49013580 50764065 64608810 67685420 71069691 94759588 101528130 118449485 129217620 142139382 203056260 236898970 284278764 355348455 473797940 710696910 1421393820
- Sum of all divisors σ(n): 5183377920
- Sum of proper divisors (its aliquot sum) s(n): 3761984100
- 1421393820 is an abundant number, because the sum of its proper divisors (3761984100) is greater than itself. Its abundance is 2340590280
Bases of 1421393820
- Binary: 10101001011100010111111100111002
- Hexadecimal: 0x54B8BF9C
- Base-36: NI9EHO
Squares and roots of 1421393820
- 1421393820 squared (14213938202) is 2020360391534192400
- 1421393820 cubed (14213938203) is 2871727774699481396050968000
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The
square root of 1421393820 is 37701.3768979329 -
The
cube root of 1421393820 is 1124.3585004453
Scales and comparisons
How big is 1421393820?- 1,421,393,820 seconds is equal to 45 years, 10 weeks, 1 day, 7 hours, 37 minutes.
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To count from 1 to 1,421,393,820 would take you about ninety 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 1421393820 cubic inches would be around 93.7 feet tall.
Recreational maths with 1421393820
- 1421393820 backwards is 0283931241
- 1421393820 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1421393820's digits is 33
- More coming soon!
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The information we have on file for 1421393820 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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