1428118920

Names of 1428118920

• Cardinal: 1428118920 can be written as One billion, four hundred twenty-eight million, one hundred eighteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.42811892 × 10⁹

Factors of 1428118920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 181

Divisors of 1428118920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 29 30 36 40 45 53 58 60 72 87 89 90 106 116 120 145 159 174 178 180 212 232 261 265 267 290 318 348 356 360 424 435 445 477 522 530 534 580 636 696 712 795 801 841 870 890 954 1044 1060 1068 1160 1272 1305 1335 1537 1590 1602 1682 1740 1780 1908 2088 2120 2136 2385 2523 2581 2610 2670 3074 3180 3204 3364 3480 3560 3816 4005 4205 4611 4717 4770 5046 5162 5220 5340 6148 6360 6408 6728 7569 7685 7743 8010 8410 9222 9434 9540 10092 10324 10440 10680 12296 12615 12905 13833 14151 15138 15370 15486 16020 16820 18444 18868 19080 20184 20648 23055 23229 23585 25230 25810 27666 28302 30276 30740 30972 32040 33640 36888 37736 37845 38715 42453 44573 46110 46458 47170 50460 51620 55332 56604 60552 61480 61944 69165 70755 74849 75690 77430 84906 89146 92220 92916 94340 100920 103240 110664 113208 116145 133719 136793 138330 141510 149698 151380 154860 169812 178292 184440 185832 188680 212265 222865 224547 232290 267438 273586 276660 283020 299396 302760 309720 339624 356584 374245 401157 410379 424530 445730 449094 464580 534876 547172 553320 566040 598792 668595 673641 683965 748490 802314 820758 849060 891460 898188 929160 1069752 1094344 1122735 1231137 1337190 1347282 1367930 1496980 1604628 1641516 1698120 1782920 1796376 2005785 2051895 2245470 2462274 2674380 2694564 2735860 2993960 3209256 3283032 3368205 3966997 4011570 4103790 4490940 4924548 5348760 5389128 5471720 6155685 6736410 7933994 8023140 8207580 8981880 9849096 11900991 12311370 13472820 15867988 16046280 16415160 19834985 23801982 24622740 26945640 31735976 35702973 39669970 47603964 49245480 59504955 71405946 79339940 95207928 119009910 142811892 158679880 178514865 238019820 285623784 357029730 476039640 714059460 1428118920
• Sum of all divisors σ(n): 4952680200
• Sum of proper divisors (its aliquot sum) s(n): 3524561280
• 1428118920 is an abundant number, because the sum of its proper divisors (3524561280) is greater than itself. Its abundance is 2096442360

Bases of 1428118920

• Binary: 1010101000111110101110110001000₂
• Hexadecimal: 0x551F5D88
• Base-36: NM9JM0

Squares and roots of 1428118920

• 1428118920 squared (1428118920²) is 2039523649661966400
• 1428118920 cubed (1428118920³) is 2912682311869705820244288000
• The square root of 1428118920 is 37790.4607010817
• The cube root of 1428118920 is 1126.1289526279

Scales and comparisons

• 1,428,118,920 seconds is equal to 45 years, 21 weeks, 2 days, 3 hours, 42 minutes.
• To count from 1 to 1,428,118,920 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 1428118920 cubic inches would be around 93.8 feet tall.

Recreational maths with 1428118920

• 1428118920 backwards is 0298118241
• 1428118920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428118920's digits is 36
• More coming soon!