21446334720

Names of 21446334720

• Cardinal: 21446334720 can be written as Twenty-one billion, four hundred forty-six million, three hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.144633472 × 10¹⁰

Factors of 21446334720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1861671

Divisors of 21446334720

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 576 640 720 768 960 1152 1280 1440 1920 2304 2880 3840 5760 11520 1861661 3723322 5584983 7446644 9308305 11169966 14893288 16754949 18616610 22339932 27924915 29786576 33509898 37233220 44679864 55849830 59573152 67019796 74466440 83774745 89359728 111699660 119146304 134039592 148932880 167549490 178719456 223399320 238292608 268079184 297865760 335098980 357438912 446798640 476585216 536158368 595731520 670197960 714877824 893597280 1072316736 1191463040 1340395920 1429755648 1787194560 2144633472 2382926080 2680791840 3574389120 4289266944 5361583680 7148778240 10723167360 21446334720
• Sum of all divisors σ(n): 74202123996
• Sum of proper divisors (its aliquot sum) s(n): 52755789276
• 21446334720 is an abundant number, because the sum of its proper divisors (52755789276) is greater than itself. Its abundance is 31309454556

Bases of 21446334720

• Binary: 10011111110010011010001100100000000₂
• Hexadecimal: 0x4FE4D1900
• Base-36: 9UOLDS0

Squares and roots of 21446334720

• 21446334720 squared (21446334720²) is 459945272922277478400
• 21446334720 cubed (21446334720³) is 9864140275972915346483970048000
• The square root of 21446334720 is 146445.6715645771
• The cube root of 21446334720 is 2778.3334006105

Scales and comparisons

• 21,446,334,720 seconds is equal to 681 years, 48 weeks, 1 day, 11 hours, 12 minutes.
• To count from 1 to 21,446,334,720 would take you about one thousand, three hundred sixty-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 21446334720 cubic inches would be around 231.5 feet tall.

Recreational maths with 21446334720

• 21446334720 backwards is 02743364412
• 21446334720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21446334720's digits is 36
• More coming soon!