18128123676

Names of 18128123676

• Cardinal: 18128123676 can be written as Eighteen billion, one hundred twenty-eight million, one hundred twenty-three thousand, six hundred seventy-six.

Scientific notation

• Scientific notation: 1.8128123676 × 10¹⁰

Factors of 18128123676

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 671

Divisors of 18128123676

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 169 234 243 324 338 351 468 486 507 653 676 702 972 1014 1053 1306 1404 1521 1959 2028 2106 2197 2612 3042 3159 3918 4212 4394 4563 5877 6084 6318 6591 7836 8489 8788 9126 11754 12636 13182 13689 16978 17631 18252 19773 23508 25467 26364 27378 28561 33956 35262 39546 41067 50934 52893 54756 57122 59319 70524 76401 79092 82134 85683 101868 105786 110357 114244 118638 152802 158679 164268 171366 177957 211572 220714 229203 237276 257049 305604 317358 331071 342732 355914 441428 458406 514098 533871 634716 662142 687609 711828 771147 916812 993213 1028196 1067742 1324284 1375218 1434641 1542294 1986426 2062827 2135484 2313441 2750436 2869282 2979639 3084588 3972852 4125654 4303923 4626882 5738564 5959278 6940323 8251308 8607846 8938917 9253764 11918556 12911769 13880646 17215692 17877834 18650333 25823538 26816751 27761292 35755668 37300666 38735307 51647076 53633502 55950999 74601332 77470614 107267004 111901998 116205921 154941228 167852997 223803996 232411842 335705994 348617763 464823684 503558991 671411988 697235526 1007117982 1394471052 1510676973 2014235964 3021353946 4532030919 6042707892 9064061838 18128123676
• Sum of all divisors σ(n): 51559834872
• Sum of proper divisors (its aliquot sum) s(n): 33431711196
• 18128123676 is an abundant number, because the sum of its proper divisors (33431711196) is greater than itself. Its abundance is 15303587520

Bases of 18128123676

• Binary: 10000111000100001010011011100011100₂
• Hexadecimal: 0x43885371C
• Base-36: 8BT0LR0

Squares and roots of 18128123676

• 18128123676 squared (18128123676²) is 328628868012351752976
• 18128123676 cubed (18128123676³) is 5957424762831792873564329059776
• The square root of 18128123676 is 134640.7207199961
• The cube root of 18128123676 is 2626.9448287861

Scales and comparisons

• 18,128,123,676 seconds is equal to 576 years, 21 weeks, 5 days, 5 hours, 54 minutes, 36 seconds.
• To count from 1 to 18,128,123,676 would take you about one thousand, one hundred fifty-two 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 18128123676 cubic inches would be around 218.9 feet tall.

Recreational maths with 18128123676

• 18128123676 backwards is 67632182181
• The number of decimal digits it has is: 11
• The sum of 18128123676's digits is 45
• More coming soon!