21098969408

Names of 21098969408

• Cardinal: 21098969408 can be written as Twenty-one billion, ninety-eight million, nine hundred sixty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1098969408 × 10¹⁰

Factors of 21098969408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 125

Divisors of 21098969408

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 8 11 16 22 23 32 44 46 64 88 89 92 121 176 178 184 242 253 352 356 368 484 506 704 712 736 968 979 1012 1331 1424 1472 1936 1958 2024 2047 2662 2783 2848 3872 3916 4048 4094 5324 5566 5696 7744 7832 8096 8188 10648 10769 11132 14641 15664 16192 16376 21296 21538 22264 22517 29282 30613 31328 32752 42592 43076 44528 45034 58564 61226 62656 65504 85184 86152 89056 90068 117128 118459 122452 131008 161051 172304 178112 180136 234256 236918 244904 247687 322102 336743 344608 360272 468512 473836 489808 495374 644204 673486 689216 720544 937024 947672 979616 990748 1288408 1303049 1346972 1441088 1895344 1959232 1981496 2576816 2606098 2693944 2724557 3704173 3790688 3962992 5153632 5212196 5387888 5449114 7408346 7581376 7925984 10307264 10424392 10775776 10898228 14333539 14816692 15851968 20848784 21551552 21796456 28667078 29633384 29970127 41697568 43592912 57334156 59266768 59940254 83395136 87185824 114668312 118533536 119880508 174371648 229336624 237067072 239761016 329671397 458673248 479522032 659342794 917346496 959044064 1318685588 1918088128 2637371176 5274742352 10549484704 21098969408
• Sum of all divisors σ(n): 48597433920
• Sum of proper divisors (its aliquot sum) s(n): 27498464512
• 21098969408 is an abundant number, because the sum of its proper divisors (27498464512) is greater than itself. Its abundance is 6399495104

Bases of 21098969408

• Binary: 10011101001100110001011100101000000₂
• Hexadecimal: 0x4E998B940
• Base-36: 9OXS4ZK

Squares and roots of 21098969408

• 21098969408 squared (21098969408²) is 445166510079719870464
• 21098969408 cubed (21098969408³) is 9392554577638133188129658765312
• The square root of 21098969408 is 145254.8429760605
• The cube root of 21098969408 is 2763.2514980869

Scales and comparisons

• 21,098,969,408 seconds is equal to 670 years, 45 weeks, 6 days, 50 minutes, 8 seconds.
• To count from 1 to 21,098,969,408 would take you about one thousand, three hundred forty-one 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 21098969408 cubic inches would be around 230.3 feet tall.

Recreational maths with 21098969408

• 21098969408 backwards is 80496989012
• The number of decimal digits it has is: 11
• The sum of 21098969408's digits is 56
• More coming soon!