20818427904

Names of 20818427904

• Cardinal: 20818427904 can be written as Twenty billion, eight hundred eighteen million, four hundred twenty-seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.0818427904 × 10¹⁰

Factors of 20818427904

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 1108

Divisors of 20818427904

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1103 1152 1536 2048 2206 2304 3072 3309 4096 4412 4608 6144 6618 8192 8824 9216 9927 12288 13236 16384 17648 18432 19854 24576 26472 32768 35296 36864 39708 49152 52944 65536 70592 73728 79416 98304 105888 131072 141184 147456 158832 196608 211776 262144 282368 294912 317664 393216 423552 524288 564736 589824 635328 786432 847104 1048576 1129472 1179648 1270656 1572864 1694208 2097152 2258944 2359296 2541312 3145728 3388416 4517888 4718592 5082624 6291456 6776832 9035776 9437184 10165248 13553664 18071552 18874368 20330496 27107328 36143104 40660992 54214656 72286208 81321984 108429312 144572416 162643968 216858624 289144832 325287936 433717248 578289664 650575872 867434496 1156579328 1301151744 1734868992 2313158656 2602303488 3469737984 5204606976 6939475968 10409213952 20818427904
• Sum of all divisors σ(n): 60196636656
• Sum of proper divisors (its aliquot sum) s(n): 39378208752
• 20818427904 is an abundant number, because the sum of its proper divisors (39378208752) is greater than itself. Its abundance is 18559780848

Bases of 20818427904

• Binary: 10011011000111000000000000000000000₂
• Hexadecimal: 0x4D8E00000
• Base-36: 9KAR5S0

Squares and roots of 20818427904

• 20818427904 squared (20818427904²) is 433406940394045833216
• 20818427904 cubed (20818427904³) is 9022851141686668529678904459264
• The square root of 20818427904 is 144285.9241367639
• The cube root of 20818427904 is 2750.9496622727

Scales and comparisons

• 20,818,427,904 seconds is equal to 661 years, 50 weeks, 38 minutes, 24 seconds.
• To count from 1 to 20,818,427,904 would take you about one thousand, three hundred twenty-three 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 20818427904 cubic inches would be around 229.2 feet tall.

Recreational maths with 20818427904

• 20818427904 backwards is 40972481802
• The number of decimal digits it has is: 11
• The sum of 20818427904's digits is 45
• More coming soon!