21339389952

Names of 21339389952

• Cardinal: 21339389952 can be written as Twenty-one billion, three hundred thirty-nine million, three hundred eighty-nine thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 2.1339389952 × 10¹⁰

Factors of 21339389952

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 48244

Divisors of 21339389952

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1024 1152 1536 1728 2048 2304 3072 3456 4096 4608 6144 6912 8192 9216 12288 13824 16384 18432 24576 27648 36864 48239 49152 55296 73728 96478 110592 144717 147456 192956 221184 289434 385912 434151 442368 578868 771824 868302 1157736 1302453 1543648 1736604 2315472 2604906 3087296 3473208 4630944 5209812 6174592 6946416 9261888 10419624 12349184 13892832 18523776 20839248 24698368 27785664 37047552 41678496 49396736 55571328 74095104 83356992 98793472 111142656 148190208 166713984 197586944 222285312 296380416 333427968 395173888 444570624 592760832 666855936 790347776 889141248 1185521664 1333711872 1778282496 2371043328 2667423744 3556564992 5334847488 7113129984 10669694976 21339389952
• Sum of all divisors σ(n): 63227203200
• Sum of proper divisors (its aliquot sum) s(n): 41887813248
• 21339389952 is an abundant number, because the sum of its proper divisors (41887813248) is greater than itself. Its abundance is 20548423296

Bases of 21339389952

• Binary: 10011110111111011010100000000000000₂
• Hexadecimal: 0x4F7ED4000
• Base-36: 9SWX6O0

Squares and roots of 21339389952

• 21339389952 squared (21339389952²) is 455369563523518562304
• 21339389952 cubed (21339389952³) is 9717308688300397724115463569408
• The square root of 21339389952 is 146080.0806133403
• The cube root of 21339389952 is 2773.7075366205

Scales and comparisons

• 21,339,389,952 seconds is equal to 678 years, 27 weeks, 2 days, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,339,389,952 would take you about one thousand, three hundred fifty-seven 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 21339389952 cubic inches would be around 231.1 feet tall.

Recreational maths with 21339389952

• 21339389952 backwards is 25998393312
• 21339389952 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21339389952's digits is 54
• More coming soon!