19457263728

Names of 19457263728

• Cardinal: 19457263728 can be written as Nineteen billion, four hundred fifty-seven million, two hundred sixty-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9457263728 × 10¹⁰

Factors of 19457263728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 492

Divisors of 19457263728

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 36 38 41 42 48 56 57 63 71 72 76 82 84 112 114 123 126 133 142 144 152 164 168 171 213 228 246 252 266 284 287 304 328 336 342 349 369 399 426 456 492 497 504 532 568 574 639 656 684 698 738 779 798 852 861 912 984 994 1008 1047 1064 1136 1148 1197 1278 1349 1368 1396 1476 1491 1558 1596 1704 1722 1968 1988 2094 2128 2296 2337 2394 2443 2556 2583 2698 2736 2792 2911 2952 2982 3116 3141 3192 3408 3444 3976 4047 4188 4473 4592 4674 4788 4886 5112 5166 5396 5453 5584 5822 5904 5964 6232 6282 6384 6631 6888 7011 7329 7952 8094 8376 8733 8946 9348 9443 9576 9772 10224 10332 10792 10906 11644 11928 12141 12464 12564 13262 13776 14022 14309 14658 16188 16359 16752 17466 17892 18696 18886 19152 19544 19893 20377 20664 21584 21812 21987 23288 23856 24282 24779 25128 26199 26524 28044 28329 28618 29316 32376 32718 34932 35784 37392 37772 39088 39786 40754 41328 42927 43624 43974 46417 46576 48564 49077 49558 50256 52398 53048 55309 56088 56658 57236 58632 59679 61131 64752 65436 69864 71568 74337 75544 79572 81508 84987 85854 87248 87948 92834 97128 98154 99116 100163 104796 106096 110618 112176 113316 114472 117264 119358 122262 128781 130872 139251 139728 148674 151088 159144 163016 165927 169974 171708 173453 175896 183393 185668 194256 196308 198232 200326 209592 221236 223011 226632 228944 238716 244524 257562 261744 271871 278502 297348 300489 318288 326032 331854 339948 343416 346906 351792 366786 371336 387163 392616 396464 400652 417753 419184 442472 446022 453264 470801 477432 489048 497781 515124 520359 543742 557004 594696 600978 663708 679896 686832 693812 733572 742672 774326 785232 801304 815613 835506 884944 892044 901467 941602 954864 978096 995562 1015939 1030248 1040718 1087484 1114008 1161489 1189392 1201956 1327416 1359792 1387624 1412403 1467144 1548652 1561077 1602608 1631226 1671012 1784088 1802934 1883204 1903097 1991124 2031878 2060496 2081436 2174968 2228016 2322978 2403912 2446839 2654832 2775248 2824806 2934288 3047817 3097304 3122154 3262452 3295607 3342024 3484467 3568176 3605868 3766408 3806194 3982248 4063756 4162872 4237209 4349936 4645956 4807824 4893678 5649612 5709291 6095634 6194608 6244308 6524904 6591214 6684048 6968934 7111573 7211736 7532816 7612388 7964496 8127512 8325744 8474418 9143451 9291912 9787356 9886821 11299224 11418582 12191268 12488616 13049808 13182428 13937868 14223146 14423472 15224776 16255024 16948836 17127873 18286902 18583824 19302841 19574712 19773642 21334719 22598448 22837164 24382536 24977232 26364856 27875736 28446292 29660463 30449552 33897672 34255746 36573804 38605682 39149424 39547284 42669438 45674328 48765072 52729712 55751472 56892584 57908523 59320926 64004157 67795344 68511492 73147608 77211364 79094568 85338876 91348656 113785168 115817046 118641852 128008314 135119887 137022984 146295216 154422728 158189136 170677752 173725569 231634092 237283704 256016628 270239774 274045968 308845456 341355504 347451138 405359661 463268184 474567408 512033256 540479548 694902276 810719322 926536368 1024066512 1080959096 1216078983 1389804552 1621438644 2161918192 2432157966 2779609104 3242877288 4864315932 6485754576 9728631864 19457263728
• Sum of all divisors σ(n): 68245632000
• Sum of proper divisors (its aliquot sum) s(n): 48788368272
• 19457263728 is an abundant number, because the sum of its proper divisors (48788368272) is greater than itself. Its abundance is 29331104544

Bases of 19457263728

• Binary: 10010000111101111100100100001110000₂
• Hexadecimal: 0x487BE4870
• Base-36: 8XSCOS0

Squares and roots of 19457263728

• 19457263728 squared (19457263728²) is 378585111780944457984
• 19457263728 cubed (19457263728³) is 7366230363416196083914703204352
• The square root of 19457263728 is 139489.2961054719
• The cube root of 19457263728 is 2689.6385563941

Scales and comparisons

• 19,457,263,728 seconds is equal to 618 years, 35 weeks, 2 days, 19 hours, 28 minutes, 48 seconds.
• To count from 1 to 19,457,263,728 would take you about one thousand, two hundred thirty-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 19457263728 cubic inches would be around 224.1 feet tall.

Recreational maths with 19457263728

• 19457263728 backwards is 82736275491
• The number of decimal digits it has is: 11
• The sum of 19457263728's digits is 54
• More coming soon!