21407191776

Names of 21407191776

• Cardinal: 21407191776 can be written as Twenty-one billion, four hundred seven million, one hundred ninety-one thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.1407191776 × 10¹⁰

Factors of 21407191776

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9298

Divisors of 21407191776

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 443 456 608 684 886 912 1329 1368 1772 1824 2658 2736 3544 3987 5316 5472 7088 7974 8417 8831 10632 14176 15948 16834 17662 21264 25251 26493 31896 33668 35324 42528 50502 52986 63792 67336 70648 75753 79479 101004 105972 127584 134672 141296 151506 158958 167789 202008 211944 269344 282592 303012 317916 335578 404016 423888 503367 606024 635832 671156 808032 847776 1006734 1212048 1271664 1342312 1510101 2013468 2424096 2543328 2684624 3020202 3912133 4026936 5369248 6040404 7824266 8053872 11736399 12080808 15648532 16107744 23472798 24161616 31297064 35209197 46945596 48323232 62594128 70418394 74330527 93891192 125188256 140836788 148661054 187782384 222991581 281673576 297322108 375564768 445983162 563347152 594644216 668974743 891966324 1126694304 1189288432 1337949486 1783932648 2378576864 2675898972 3567865296 5351797944 7135730592 10703595888 21407191776
• Sum of all divisors σ(n): 64232663040
• Sum of proper divisors (its aliquot sum) s(n): 42825471264
• 21407191776 is an abundant number, because the sum of its proper divisors (42825471264) is greater than itself. Its abundance is 21418279488

Bases of 21407191776

• Binary: 10011111011111101111101001011100000₂
• Hexadecimal: 0x4FBF7D2E0
• Base-36: 9U1AEW0

Squares and roots of 21407191776

• 21407191776 squared (21407191776²) is 458267859734442034176
• 21407191776 cubed (21407191776³) is 9810227958112269057961178136576
• The square root of 21407191776 is 146311.9673027467
• The cube root of 21407191776 is 2776.6420723007

Scales and comparisons

• 21,407,191,776 seconds is equal to 680 years, 35 weeks, 3 days, 10 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,407,191,776 would take you about one thousand, three hundred sixty-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 21407191776 cubic inches would be around 231.4 feet tall.

Recreational maths with 21407191776

• 21407191776 backwards is 67719170412
• The number of decimal digits it has is: 11
• The sum of 21407191776's digits is 45
• More coming soon!