21298909899008

Names of 21298909899008

• Cardinal: 21298909899008 can be written as Twenty-one trillion, two hundred ninety-eight billion, nine hundred nine million, eight hundred ninety-nine thousand and eight.

Scientific notation

• Scientific notation: 2.1298909899008 × 10¹³

Factors of 21298909899008

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1202

Divisors of 21298909899008

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1193 1568 1792 2386 3136 4772 6272 8351 9544 12544 16702 19088 33404 38176 58457 66808 76352 116914 133616 152704 233828 267232 305408 467656 534464 935312 1068928 1423249 1870624 2137856 2846498 3741248 5692996 7482496 9962743 11385992 14964992 19925486 22771984 39850972 45543968 69739201 79701944 91087936 139478402 159403888 182175872 278956804 318807776 364351744 557913608 637615552 1115827216 1275231104 1697936057 2231654432 2550462208 3395872114 4463308864 6791744228 8926617728 11885552399 13583488456 17853235456 23771104798 27166976912 47542209596 54333953824 83198866793 95084419192 108667907648 166397733586 190168838384 217335815296 332795467172 380337676768 434671630592 665590934344 760675353536 1331181868688 1521350707072 2662363737376 3042701414144 5324727474752 10649454949504 21298909899008
• Sum of all divisors σ(n): 49497273283500
• Sum of proper divisors (its aliquot sum) s(n): 28198363384492
• 21298909899008 is an abundant number, because the sum of its proper divisors (28198363384492) is greater than itself. Its abundance is 6899453485484

Bases of 21298909899008

• Binary: 100110101111100001001111101010110100100000000₂
• Hexadecimal: 0x135F09F56900
• Base-36: 7JSL115VK

Squares and roots of 21298909899008

• 21298909899008 squared (21298909899008²) is 453643562886060972759384064
• 21298909899008 cubed (21298909899008³) is 9662113372175182210325503073654524608512
• The square root of 21298909899008 is 4615074.2029796227
• The cube root of 21298909899008 is 27719.5255205659

Scales and comparisons

• 21,298,909,899,008 seconds is equal to 677,239 years, 23 weeks, 3 days, 20 hours, 50 minutes, 8 seconds.
• To count from 1 to 21,298,909,899,008 would take you about one million, six hundred ninety-three thousand and ninety-eight 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 21298909899008 cubic inches would be around 2310 feet tall.

Recreational maths with 21298909899008

• 21298909899008 backwards is 80099890989212
• The number of decimal digits it has is: 14
• The sum of 21298909899008's digits is 74
• More coming soon!