1380029728

Names of 1380029728

• Cardinal: 1380029728 can be written as One billion, three hundred eighty million, twenty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.380029728 × 10⁹

Factors of 1380029728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 169

Divisors of 1380029728

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 29 31 32 44 49 56 58 62 77 88 89 98 112 116 124 154 176 178 196 203 217 224 232 248 308 319 341 352 356 392 406 434 464 496 539 616 623 638 682 712 784 812 868 899 928 979 992 1078 1232 1246 1276 1364 1421 1424 1519 1568 1624 1736 1798 1958 2156 2233 2387 2464 2492 2552 2581 2728 2759 2842 2848 3038 3248 3472 3596 3916 4312 4361 4466 4774 4984 5104 5162 5456 5518 5684 6076 6293 6496 6853 6944 7192 7832 8624 8722 8932 9548 9889 9968 10208 10324 10912 11036 11368 12152 12586 13706 14384 15631 15664 16709 17248 17444 17864 18067 19096 19313 19778 19936 20648 22072 22736 24304 25172 27412 28391 28768 30349 31262 31328 33418 34888 35728 36134 38192 38626 39556 41296 44051 44144 45472 47971 48608 50344 54824 56782 60698 62524 66836 69223 69776 71456 72268 76384 77252 79112 80011 82592 88102 88288 95942 100688 109648 113564 121396 125048 126469 133672 135191 138446 139552 144536 154504 158224 160022 176204 191884 198737 201376 212443 219296 227128 242792 250096 252938 267344 270382 276892 289072 309008 316448 320044 352408 383768 397474 424886 454256 484561 485584 500192 505876 534688 540764 553784 560077 578144 618016 640088 704816 767536 794948 849772 880121 908512 969122 971168 1011752 1081528 1107568 1120154 1280176 1391159 1409632 1487101 1535072 1589896 1699544 1760242 1938244 2023504 2163056 2215136 2240308 2560352 2782318 2974202 3179792 3399088 3520484 3876488 3920539 4047008 4326112 4480616 5564636 5948404 6160847 6359584 6798176 7040968 7752976 7841078 8961232 11129272 11896808 12321694 14081936 15505952 15682156 17922464 22258544 23793616 24643388 28163872 31364312 43125929 44517088 47587232 49286776 62728624 86251858 98573552 125457248 172503716 197147104 345007432 690014864 1380029728
• Sum of all divisors σ(n): 3723148800
• Sum of proper divisors (its aliquot sum) s(n): 2343119072
• 1380029728 is an abundant number, because the sum of its proper divisors (2343119072) is greater than itself. Its abundance is 963089344

Bases of 1380029728

• Binary: 1010010010000011001010100100000₂
• Hexadecimal: 0x52419520
• Base-36: MTMTR4

Squares and roots of 1380029728

• 1380029728 squared (1380029728²) is 1904482050163753984
• 1380029728 cubed (1380029728³) is 2628241845668367765998436352
• The square root of 1380029728 is 37148.7513652881
• The cube root of 1380029728 is 1113.3442759711

Scales and comparisons

• 1,380,029,728 seconds is equal to 43 years, 45 weeks, 5 days, 13 hours, 35 minutes, 28 seconds.
• To count from 1 to 1,380,029,728 would take you about eighty-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 1380029728 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380029728

• 1380029728 backwards is 8279200831
• The number of decimal digits it has is: 10
• The sum of 1380029728's digits is 40
• More coming soon!