1405128384

Names of 1405128384

• Cardinal: 1405128384 can be written as One billion, four hundred five million, one hundred twenty-eight thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.405128384 × 10⁹

Factors of 1405128384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 658

Divisors of 1405128384

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 41 44 48 54 64 66 72 81 82 88 96 99 108 123 132 144 162 164 176 192 198 216 246 264 288 297 324 328 352 369 396 432 451 492 528 576 594 601 648 656 704 738 792 864 891 902 984 1056 1107 1188 1202 1296 1312 1353 1476 1584 1728 1782 1803 1804 1968 2112 2214 2376 2404 2592 2624 2706 2952 3168 3321 3564 3606 3608 3936 4059 4428 4752 4808 5184 5409 5412 5904 6336 6611 6642 7128 7212 7216 7872 8118 8856 9504 9616 10818 10824 11808 12177 13222 13284 14256 14424 14432 16227 16236 17712 19008 19232 19833 21636 21648 23616 24354 24641 26444 26568 28512 28848 28864 32454 32472 35424 36531 38464 39666 43272 43296 48681 48708 49282 52888 53136 57024 57696 59499 64908 64944 70848 73062 73923 79332 86544 86592 97362 97416 98564 105776 106272 115392 118998 129816 129888 146124 147846 158664 173088 178497 194724 194832 197128 211552 212544 221769 237996 259632 259776 271051 292248 295692 317328 346176 356994 389448 389664 394256 423104 443538 475992 519264 535491 542102 584496 591384 634656 665307 713988 778896 779328 788512 813153 887076 951984 1038528 1070982 1084204 1168992 1182768 1269312 1330614 1427976 1557792 1577024 1626306 1774152 1903968 1995921 2141964 2168408 2337984 2365536 2439459 2661228 2855952 3115584 3252612 3548304 3807936 3991842 4283928 4336816 4731072 4878918 5322456 5711904 6505224 7096608 7318377 7983684 8567856 8673632 9757836 10644912 11423808 13010448 14193216 14636754 15967368 17135712 17347264 19515672 21289824 21955131 26020896 29273508 31934736 34271424 39031344 42579648 43910262 52041792 58547016 63869472 78062688 87820524 117094032 127738944 156125376 175641048 234188064 351282096 468376128 702564192 1405128384
• Sum of all divisors σ(n): 4662470736
• Sum of proper divisors (its aliquot sum) s(n): 3257342352
• 1405128384 is an abundant number, because the sum of its proper divisors (3257342352) is greater than itself. Its abundance is 1852213968

Bases of 1405128384

• Binary: 1010011110000001000111011000000₂
• Hexadecimal: 0x53C08EC0
• Base-36: N8KS00

Squares and roots of 1405128384

• 1405128384 squared (1405128384²) is 1974385775522451456
• 1405128384 cubed (1405128384³) is 2774265494152448970087727104
• The square root of 1405128384 is 37485.0421368309
• The cube root of 1405128384 is 1120.0532457679

Scales and comparisons

• 1,405,128,384 seconds is equal to 44 years, 35 weeks, 2 days, 1 hour, 26 minutes, 24 seconds.
• To count from 1 to 1,405,128,384 would take you about eighty-nine 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 1405128384 cubic inches would be around 93.3 feet tall.

Recreational maths with 1405128384

• 1405128384 backwards is 4838215041
• 1405128384 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1405128384's digits is 36
• More coming soon!