20747342720

Names of 20747342720

• Cardinal: 20747342720 can be written as Twenty billion, seven hundred forty-seven million, three hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.074734272 × 10¹⁰

Factors of 20747342720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 621

Divisors of 20747342720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 104 124 128 130 155 160 208 248 257 260 310 313 320 403 416 496 514 520 620 626 640 806 832 992 1028 1040 1240 1252 1285 1565 1612 1664 1984 2015 2056 2080 2480 2504 2570 3130 3224 3341 3968 4030 4069 4112 4160 4960 5008 5140 6260 6448 6682 7967 8060 8138 8224 8320 9703 9920 10016 10280 12520 12896 13364 15934 16120 16276 16448 16705 19406 19840 20032 20345 20560 25040 25792 26728 31868 32240 32552 32896 33410 38812 39835 40064 40690 41120 48515 50080 51584 53456 63736 64480 65104 66820 77624 79670 80441 81380 82240 97030 100160 103571 106912 126139 127472 128960 130208 133640 155248 159340 160882 162760 164480 194060 200320 207142 213824 252278 254944 257920 260416 267280 310496 318680 321764 325520 388120 402205 414284 427648 504556 509888 517855 520832 534560 620992 630695 637360 643528 651040 776240 804410 828568 1009112 1019776 1035710 1045733 1069120 1241984 1261390 1274720 1287056 1302080 1552480 1608820 1657136 2018224 2071420 2091466 2138240 2493671 2522780 2549440 2574112 2604160 3104960 3217640 3314272 4036448 4142840 4182932 4987342 5045560 5098880 5148224 5228665 6209920 6435280 6628544 8072896 8285680 8365864 9974684 10091120 10296448 10457330 12468355 12870560 13257088 16145792 16571360 16731728 19949368 20182240 20914660 24936710 25741120 32417723 33142720 33463456 39898736 40364480 41829320 49873420 51482240 64835446 66285440 66926912 79797472 80728960 83658640 99746840 129670892 133853824 159594944 162088615 167317280 199493680 259341784 319189888 324177230 334634560 398987360 518683568 648354460 669269120 797974720 1037367136 1296708920 1595949440 2074734272 2593417840 4149468544 5186835680 10373671360 20747342720
• Sum of all divisors σ(n): 55528865280
• Sum of proper divisors (its aliquot sum) s(n): 34781522560
• 20747342720 is an abundant number, because the sum of its proper divisors (34781522560) is greater than itself. Its abundance is 14034179840

Bases of 20747342720

• Binary: 10011010100101000110101001110000000₂
• Hexadecimal: 0x4D4A35380
• Base-36: 9J4FK3K

Squares and roots of 20747342720

• 20747342720 squared (20747342720²) is 430452229941136998400
• 20747342720 cubed (20747342720³) is 8930739939177014732276891648000
• The square root of 20747342720 is 144039.3790600335
• The cube root of 20747342720 is 2747.8150234235

Scales and comparisons

• 20,747,342,720 seconds is equal to 659 years, 36 weeks, 3 days, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 20,747,342,720 would take you about one thousand, three hundred nineteen 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 20747342720 cubic inches would be around 229 feet tall.

Recreational maths with 20747342720

• 20747342720 backwards is 02724374702
• The number of decimal digits it has is: 11
• The sum of 20747342720's digits is 38
• More coming soon!