1999421820
1,999,421,820 is an even composite number composed of seven prime numbers multiplied together.
1999421820 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 1999421820:
22 × 34 × 5 × 11 × 29 × 53 × 73
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 11 × 29 × 53 × 73)See below for interesting mathematical facts about the number 1999421820 from the Numbermatics database.
Names of 1999421820
- Cardinal: 1999421820 can be written as One billion, nine hundred ninety-nine million, four hundred twenty-one thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.99942182 × 109
Factors of 1999421820
Divisors of 1999421820
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 29 30 33 36 44 45 53 54 55 58 60 66 73 81 87 90 99 106 108 110 116 132 135 145 146 159 162 165 174 180 198 212 219 220 261 265 270 290 292 297 318 319 324 330 348 365 396 405 435 438 477 495 522 530 540 580 583 594 636 638 657 660 730 783 795 803 810 870 876 891 954 957 990 1044 1060 1095 1166 1188 1276 1305 1314 1431 1460 1485 1537 1566 1590 1595 1606 1620 1740 1749 1782 1908 1914 1971 1980 2117 2190 2332 2349 2385 2409 2610 2628 2862 2871 2915 2970 3074 3132 3180 3190 3212 3285 3498 3564 3828 3869 3915 3942 4015 4234 4293 4380 4455 4611 4698 4770 4785 4818 5220 5247 5724 5742 5830 5913 5940 6148 6351 6380 6570 6996 7155 7227 7685 7738 7830 7884 8030 8468 8586 8613 8745 8910 9222 9396 9540 9570 9636 9855 10494 10585 11484 11607 11660 11745 11826 12045 12702 13140 13833 14310 14355 14454 15370 15476 15660 15741 16060 16907 17172 17226 17490 17820 18444 19053 19140 19345 19710 20988 21170 21465 21681 23055 23214 23287 23490 23652 24090 25404 25839 26235 27666 28620 28710 28908 29565 30740 31482 31755 33814 34452 34821 34980 36135 38106 38690 39420 41499 42340 42559 42930 43065 43362 46110 46428 46574 46980 47223 48180 50721 51678 52470 55332 57159 57420 58035 59130 62964 63510 65043 67628 69165 69642 69861 72270 76212 77380 78705 82998 84535 85118 85860 86130 86724 92220 93148 94446 95265 101442 103356 104463 104940 108405 112201 114318 116070 116435 118260 124497 127020 127677 129195 130086 138330 139284 139722 144540 152163 157410 165996 169070 170236 171477 172260 174105 188892 190530 202884 207495 208926 209583 212795 216810 224402 228636 232140 232870 236115 248994 253605 255354 258390 260172 276660 279444 285795 304326 313389 314820 325215 336603 338140 342954 348210 349305 381060 383031 414990 417852 419166 425590 433620 448804 456489 465740 472230 497988 507210 510708 516780 522315 561005 571590 608652 622485 626778 628749 638385 650430 673206 685908 696420 698610 760815 766062 829980 838332 851180 857385 912978 944460 1009809 1014420 1044630 1047915 1122010 1143180 1149093 1234211 1244970 1253556 1257498 1276770 1300860 1346412 1369467 1397220 1521630 1532124 1566945 1683015 1714770 1825956 1886247 1915155 2019618 2089260 2095830 2244020 2282445 2298186 2468422 2489940 2514996 2553540 2738934 3029427 3043260 3133890 3143745 3366030 3429540 3447279 3702633 3772494 3830310 4039236 4191660 4564890 4596372 4936844 5049045 5477868 5745465 6058854 6171055 6267780 6287490 6732060 6847335 6894558 7405266 7544988 7660620 9088281 9129780 9431235 10098090 11107899 11490930 12117708 12342110 12574980 13694670 13789116 14810532 15147135 17236395 18176562 18513165 18862470 20196180 22215798 22981860 24684220 27389340 30294270 33323697 34472790 36353124 37026330 37724940 44431596 45441405 55539495 60588540 66647394 68945580 74052660 90882810 99971091 111078990 133294788 166618485 181765620 199942182 222157980 333236970 399884364 499855455 666473940 999710910 1999421820
- Sum of all divisors σ(n): 7310761920
- Sum of proper divisors (its aliquot sum) s(n): 5311340100
- 1999421820 is an abundant number, because the sum of its proper divisors (5311340100) is greater than itself. Its abundance is 3311918280
Bases of 1999421820
- Binary: 11101110010110011000001011111002
- Hexadecimal: 0x772CC17C
- Base-36: X2EJR0
Squares and roots of 1999421820
- 1999421820 squared (19994218202) is 3997687614292112400
- 1999421820 cubed (19994218203) is 7993063845559393386452568000
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The
square root of 1999421820 is 44714.8948338247 -
The
cube root of 1999421820 is 1259.7996280013
Scales and comparisons
How big is 1999421820?- 1,999,421,820 seconds is equal to 63 years, 29 weeks, 6 days, 10 hours, 57 minutes.
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To count from 1 to 1,999,421,820 would take you about one hundred twenty-seven 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 1999421820 cubic inches would be around 105 feet tall.
Recreational maths with 1999421820
- 1999421820 backwards is 0281249991
- 1999421820 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1999421820's digits is 45
- More coming soon!
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The information we have on file for 1999421820 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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