1428407904

Names of 1428407904

• Cardinal: 1428407904 can be written as One billion, four hundred twenty-eight million, four hundred seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.428407904 × 10⁹

Factors of 1428407904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1620

Divisors of 1428407904

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 121 132 154 168 176 224 231 242 264 308 336 352 363 462 484 528 616 672 726 847 924 968 1056 1232 1331 1452 1597 1694 1848 1936 2464 2541 2662 2904 3194 3388 3696 3872 3993 4791 5082 5324 5808 6388 6776 7392 7986 9317 9582 10164 10648 11179 11616 12776 13552 15972 17567 18634 19164 20328 21296 22358 25552 27104 27951 31944 33537 35134 37268 38328 40656 42592 44716 51104 52701 55902 63888 67074 70268 74536 76656 81312 89432 105402 111804 122969 127776 134148 140536 149072 153312 178864 193237 210804 223608 245938 268296 281072 298144 357728 368907 386474 421608 447216 491876 536592 562144 579711 737814 772948 843216 894432 983752 1073184 1159422 1352659 1475628 1545896 1686432 1967504 2125607 2318844 2705318 2951256 3091792 3935008 4057977 4251214 4637688 5410636 5902512 6183584 6376821 8115954 8502428 9275376 10821272 11805024 12753642 14879249 16231908 17004856 18550752 21642544 25507284 29758498 32463816 34009712 43285088 44637747 51014568 59516996 64927632 68019424 89275494 102029136 119033992 129855264 178550988 204058272 238067984 357101976 476135968 714203952 1428407904
• Sum of all divisors σ(n): 4716375552
• Sum of proper divisors (its aliquot sum) s(n): 3287967648
• 1428407904 is an abundant number, because the sum of its proper divisors (3287967648) is greater than itself. Its abundance is 1859559744

Bases of 1428407904

• Binary: 1010101001000111100011001100000₂
• Hexadecimal: 0x5523C660
• Base-36: NMFQLC

Squares and roots of 1428407904

• 1428407904 squared (1428407904²) is 2040349140209673216
• 1428407904 cubed (1428407904³) is 2914450838795101438991499264
• The square root of 1428407904 is 37794.2840122683
• The cube root of 1428407904 is 1126.2049059901

Scales and comparisons

• 1,428,407,904 seconds is equal to 45 years, 21 weeks, 5 days, 11 hours, 58 minutes, 24 seconds.
• To count from 1 to 1,428,407,904 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 1428407904 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428407904

• 1428407904 backwards is 4097048241
• The number of decimal digits it has is: 10
• The sum of 1428407904's digits is 39
• More coming soon!