18947922672

Names of 18947922672

• Cardinal: 18947922672 can be written as Eighteen billion, nine hundred forty-seven million, nine hundred twenty-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.8947922672 × 10¹⁰

Factors of 18947922672

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1558

Divisors of 18947922672

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 31 38 42 48 56 57 62 67 76 84 93 112 114 124 133 134 152 168 186 201 217 228 248 266 268 304 336 372 399 402 434 456 469 496 532 536 589 651 744 798 804 868 912 938 1064 1072 1178 1273 1302 1407 1429 1488 1596 1608 1736 1767 1876 2077 2128 2356 2546 2604 2814 2858 3192 3216 3472 3534 3752 3819 4123 4154 4287 4712 5092 5208 5628 5716 6231 6384 7068 7504 7638 8246 8308 8574 8911 9424 10003 10184 10416 11256 11432 12369 12462 14136 14539 15276 16492 16616 17148 17822 20006 20368 22512 22864 24738 24924 26733 27151 28272 29078 30009 30552 32984 33232 34296 35644 39463 40012 43617 44299 49476 49848 53466 54302 58156 60018 61104 65968 68592 71288 78926 80024 81453 87234 88598 95743 98952 99696 106932 108604 116312 118389 120036 132897 142576 157852 160048 162906 174468 177196 190057 191486 197904 213864 217208 232624 236778 240072 265794 276241 287229 310093 315704 325812 348936 354392 380114 382972 427728 434416 473556 480144 531588 552482 570171 574458 620186 631408 651624 670201 697872 708784 760228 765944 828723 841681 930279 947112 1063176 1104964 1140342 1148916 1240372 1303248 1340402 1520456 1531888 1657446 1683362 1819117 1860558 1894224 2010603 2126352 2209928 2280684 2297832 2480744 2525043 2680804 2968033 3040912 3314892 3366724 3638234 3721116 4021206 4419856 4561368 4595664 4961488 5050086 5361608 5457351 5891767 5936066 6629784 6733448 7276468 7442232 8042412 8904099 9122736 10100172 10723216 10914702 11783534 11872132 12733819 13259568 13466896 14552936 14884464 16084824 17675301 17808198 20200344 20776231 21829404 23567068 23744264 25467638 29105872 32169648 35350602 35616396 38201457 40400688 41552462 43658808 47134136 47488528 50935276 56392627 62328693 70701204 71232792 76402914 83104924 87317616 94268272 101870552 112785254 124657386 141402408 142465584 152805828 166209848 169177881 203741104 225570508 249314772 282804816 305611656 332419696 338355762 394748389 451141016 498629544 611223312 676711524 789496778 902282032 997259088 1184245167 1353423048 1578993556 2368490334 2706846096 3157987112 4736980668 6315974224 9473961336 18947922672
• Sum of all divisors σ(n): 61735731200
• Sum of proper divisors (its aliquot sum) s(n): 42787808528
• 18947922672 is an abundant number, because the sum of its proper divisors (42787808528) is greater than itself. Its abundance is 23839885856

Bases of 18947922672

• Binary: 10001101001011000100101101011110000₂
• Hexadecimal: 0x469625AF0
• Base-36: 8PD3QPC

Squares and roots of 18947922672

• 18947922672 squared (18947922672²) is 359023773584091619584
• 18947922672 cubed (18947922672³) is 6802754699281004297240872808448
• The square root of 18947922672 is 137651.4535775049
• The cube root of 18947922672 is 2665.9614665541

Scales and comparisons

• 18,947,922,672 seconds is equal to 602 years, 25 weeks, 1 day, 15 hours, 51 minutes, 12 seconds.
• To count from 1 to 18,947,922,672 would take you about one thousand, two hundred four 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 18947922672 cubic inches would be around 222.2 feet tall.

Recreational maths with 18947922672

• 18947922672 backwards is 27622974981
• 18947922672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18947922672's digits is 57
• More coming soon!