18469711872

Names of 18469711872

• Cardinal: 18469711872 can be written as Eighteen billion, four hundred sixty-nine million, seven hundred eleven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8469711872 × 10¹⁰

Factors of 18469711872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2069

Divisors of 18469711872

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 281 288 384 512 562 576 768 843 1024 1124 1152 1536 1686 1783 2048 2248 2304 2529 3072 3372 3566 4096 4496 4608 5058 5349 6144 6744 7132 8992 9216 10116 10698 12288 13488 14264 16047 17984 18432 20232 21396 26976 28528 32094 35968 36864 40464 42792 53952 57056 64188 71936 80928 85584 107904 114112 128376 143872 161856 171168 215808 228224 256752 287744 323712 342336 431616 456448 501023 513504 575488 647424 684672 863232 912896 1002046 1027008 1150976 1294848 1369344 1503069 1726464 1825792 2004092 2054016 2589696 2738688 3006138 3452928 3651584 4008184 4108032 4509207 5179392 5477376 6012276 7303168 8016368 8216064 9018414 10358784 10954752 12024552 16032736 16432128 18036828 21909504 24049104 32065472 32864256 36073656 48098208 64130944 65728512 72147312 96196416 128261888 144294624 192392832 256523776 288589248 384785664 513047552 577178496 769571328 1026095104 1154356992 1539142656 2052190208 2308713984 3078285312 4617427968 6156570624 9234855936 18469711872
• Sum of all divisors σ(n): 53570319504
• Sum of proper divisors (its aliquot sum) s(n): 35100607632
• 18469711872 is an abundant number, because the sum of its proper divisors (35100607632) is greater than itself. Its abundance is 16630895760

Bases of 18469711872

• Binary: 10001001100111000010111000000000000₂
• Hexadecimal: 0x44CE17000
• Base-36: 8HGE0W0

Squares and roots of 18469711872

• 18469711872 squared (18469711872²) is 341130256634697744384
• 18469711872 cubed (18469711872³) is 6300577550864283696580786126848
• The square root of 18469711872 is 135903.3181051883
• The cube root of 18469711872 is 2643.3421033729

Scales and comparisons

• 18,469,711,872 seconds is equal to 587 years, 14 weeks, 3 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,469,711,872 would take you about one thousand, one hundred seventy-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 18469711872 cubic inches would be around 220.3 feet tall.

Recreational maths with 18469711872

• 18469711872 backwards is 27811796481
• The number of decimal digits it has is: 11
• The sum of 18469711872's digits is 54
• More coming soon!