1427688990

Names of 1427688990

• Cardinal: 1427688990 can be written as One billion, four hundred twenty-seven million, six hundred eighty-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.42768899 × 10⁹

Factors of 1427688990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2797

Divisors of 1427688990

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 49 54 63 65 70 78 81 90 91 98 105 117 126 130 135 147 162 182 189 195 210 234 245 270 273 294 315 351 378 390 405 441 455 490 546 567 585 630 637 702 735 810 819 882 910 945 1053 1134 1170 1274 1323 1365 1470 1638 1755 1890 1911 2106 2205 2457 2646 2730 2767 2835 3185 3510 3822 3969 4095 4410 4914 5265 5534 5670 5733 6370 6615 7371 7938 8190 8301 9555 10530 11466 12285 13230 13835 14742 16602 17199 19110 19369 19845 24570 24903 27670 28665 34398 35971 36855 38738 39690 41505 49806 51597 57330 58107 71942 73710 74709 83010 85995 96845 103194 107913 116214 124515 135583 149418 171990 174321 179855 193690 215826 224127 249030 251797 257985 271166 290535 323739 348642 359710 373545 406749 448254 503594 515970 522963 539565 581070 647478 677915 747090 755391 813498 871605 971217 1045926 1079130 1120635 1220247 1258985 1355830 1510782 1568889 1618695 1743210 1762579 1942434 2033745 2241270 2266173 2440494 2517970 2614815 2913651 3137778 3237390 3525158 3660741 3776955 4067490 4532346 4856085 5229630 5287737 5827302 6101235 6798519 7321482 7553910 7844445 8812895 9712170 10575474 10982223 11330865 12202470 13597038 14568255 15688890 15863211 17625790 18303705 20395557 21964446 22661730 26438685 29136510 31726422 33992595 36607410 40791114 47589633 52877370 54911115 67985190 79316055 95179266 101977785 109822230 142768899 158632110 203955570 237948165 285537798 475896330 713844495 1427688990
• Sum of all divisors σ(n): 4810905792
• Sum of proper divisors (its aliquot sum) s(n): 3383216802
• 1427688990 is an abundant number, because the sum of its proper divisors (3383216802) is greater than itself. Its abundance is 1955527812

Bases of 1427688990

• Binary: 1010101000110001100111000011110₂
• Hexadecimal: 0x5518CE1E
• Base-36: NM0BVI

Squares and roots of 1427688990

• 1427688990 squared (1427688990²) is 2038295852167220100
• 1427688990 cubed (1427688990³) is 2910052546501807775676699000
• The square root of 1427688990 is 37784.7719326185
• The cube root of 1427688990 is 1126.0159356125

Scales and comparisons

• 1,427,688,990 seconds is equal to 45 years, 20 weeks, 4 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 1,427,688,990 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 1427688990 cubic inches would be around 93.8 feet tall.

Recreational maths with 1427688990

• 1427688990 backwards is 0998867241
• 1427688990 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1427688990's digits is 54
• More coming soon!