18838622816

Names of 18838622816

• Cardinal: 18838622816 can be written as Eighteen billion, eight hundred thirty-eight million, six hundred twenty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8838622816 × 10¹⁰

Factors of 18838622816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1812

Divisors of 18838622816

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 37 38 52 74 76 104 148 152 208 247 296 304 416 481 494 592 608 703 962 988 1184 1369 1406 1741 1924 1976 2738 2812 3482 3848 3952 5476 5624 6964 7696 7904 9139 10952 11248 13928 15392 17797 18278 21904 22496 22633 26011 27856 33079 35594 36556 43808 45266 52022 55712 64417 66158 71188 73112 90532 104044 128834 132316 142376 146224 181064 208088 257668 264632 284752 292448 338143 362128 416176 430027 515336 529264 569504 676286 724256 832352 837421 860054 1030672 1058528 1223923 1352572 1674842 1720108 2061344 2383429 2447846 2705144 3349684 3440216 4766858 4895692 5410288 6699368 6880432 9533716 9791384 10820576 13398736 13760864 15910999 19067432 19582768 26797472 30984577 31821998 38134864 39165536 45285151 61969154 63643996 76269728 90570302 123938308 127287992 181140604 247876616 254575984 362281208 495753232 509151968 588706963 724562416 991506464 1177413926 1449124832 2354827852 4709655704 9419311408 18838622816
• Sum of all divisors σ(n): 43235534160
• Sum of proper divisors (its aliquot sum) s(n): 24396911344
• 18838622816 is an abundant number, because the sum of its proper divisors (24396911344) is greater than itself. Its abundance is 5558288528

Bases of 18838622816

• Binary: 10001100010110111101001001001100000₂
• Hexadecimal: 0x462DE9260
• Base-36: 8NK12E8

Squares and roots of 18838622816

• 18838622816 squared (18838622816²) is 354893709603515769856
• 18838622816 cubed (18838622816³) is 6685708734991670495825046634496
• The square root of 18838622816 is 137253.8626633145
• The cube root of 18838622816 is 2660.8254366319

Scales and comparisons

• 18,838,622,816 seconds is equal to 599 years, 3 days, 14 hours, 46 minutes, 56 seconds.
• To count from 1 to 18,838,622,816 would take you about one thousand, one hundred ninety-eight 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 18838622816 cubic inches would be around 221.7 feet tall.

Recreational maths with 18838622816

• 18838622816 backwards is 61822683881
• The number of decimal digits it has is: 11
• The sum of 18838622816's digits is 53
• More coming soon!