1123129728

Names of 1123129728

• Cardinal: 1123129728 can be written as One billion, one hundred twenty-three million, one hundred twenty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.123129728 × 10⁹

Factors of 1123129728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 175

Divisors of 1123129728

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 41 42 43 48 56 63 64 72 79 82 84 86 96 112 123 126 128 129 144 158 164 168 172 192 224 237 246 252 258 287 288 301 316 328 336 344 369 384 387 448 474 492 504 516 553 574 576 602 632 656 672 688 711 738 774 861 896 903 948 984 1008 1032 1106 1148 1152 1204 1264 1312 1344 1376 1422 1476 1548 1659 1722 1763 1806 1896 1968 2016 2064 2212 2296 2408 2528 2583 2624 2688 2709 2752 2844 2952 3096 3239 3318 3397 3444 3526 3612 3792 3936 4032 4128 4424 4592 4816 4977 5056 5166 5248 5289 5418 5504 5688 5904 6192 6478 6636 6794 6888 7052 7224 7584 7872 8064 8256 8848 9184 9632 9717 9954 10112 10191 10332 10578 10836 11376 11808 12341 12384 12956 13272 13588 13776 14104 14448 15168 15744 15867 16512 17696 18368 19264 19434 19908 20382 20664 21156 21672 22673 22752 23616 23779 24682 24768 25912 26544 27176 27552 28208 28896 29151 30336 30573 31734 35392 36736 37023 38528 38868 39816 40764 41328 42312 43344 45346 45504 47232 47558 49364 49536 51824 53088 54352 55104 56416 57792 58302 61146 63468 68019 70784 71337 74046 77736 79632 81528 82656 84624 86688 90692 91008 95116 98728 103648 106176 108704 110208 111069 112832 115584 116604 122292 126936 136038 139277 142674 148092 155472 159264 163056 165312 169248 173376 181384 190232 197456 204057 207296 212352 214011 217408 222138 225664 233208 244584 253872 272076 278554 285348 296184 310944 318528 326112 330624 338496 346752 362768 380464 394912 408114 414592 417831 428022 434816 444276 466416 489168 507744 544152 557108 570696 592368 621888 637056 652224 676992 725536 760928 789824 816228 835662 856044 888552 932832 974939 978336 1015488 1088304 1114216 1141392 1184736 1243776 1253493 1304448 1451072 1521856 1579648 1632456 1671324 1712088 1777104 1865664 1949878 1956672 2030976 2176608 2228432 2282784 2369472 2506986 2902144 2924817 3043712 3264912 3342648 3424176 3554208 3731328 3899756 3913344 4353216 4456864 4565568 4738944 5013972 5849634 6529824 6685296 6848352 7108416 7799512 8706432 8774451 8913728 9131136 10027944 11699268 13059648 13370592 13696704 14216832 15599024 17548902 17827456 20055888 23398536 26119296 26741184 27393408 31198048 35097804 40111776 46797072 53482368 62396096 70195608 80223552 93594144 124792192 140391216 160447104 187188288 280782432 374376576 561564864 1123129728
• Sum of all divisors σ(n): 3920716800
• Sum of proper divisors (its aliquot sum) s(n): 2797587072
• 1123129728 is an abundant number, because the sum of its proper divisors (2797587072) is greater than itself. Its abundance is 1674457344

Bases of 1123129728

• Binary: 1000010111100011001100110000000₂
• Hexadecimal: 0x42F19980
• Base-36: IKOKG0

Squares and roots of 1123129728

• 1123129728 squared (1123129728²) is 1261420385917353984
• 1123129728 cubed (1123129728³) is 1416738734929012810529636352
• The square root of 1123129728 is 33513.1276964713
• The cube root of 1123129728 is 1039.4652477681

Scales and comparisons

• 1,123,129,728 seconds is equal to 35 years, 37 weeks, 4 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,123,129,728 would take you about seventy-one 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 1123129728 cubic inches would be around 86.6 feet tall.

Recreational maths with 1123129728

• 1123129728 backwards is 8279213211
• 1123129728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1123129728's digits is 36
• More coming soon!