30121382400

Names of 30121382400

• Cardinal: 30121382400 can be written as Thirty billion, one hundred twenty-one million, three hundred eighty-two thousand, four hundred.

Scientific notation

• Scientific notation: 3.01213824 × 10¹⁰

Factors of 30121382400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 784421

Divisors of 30121382400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 512 600 640 768 800 960 1200 1280 1536 1600 1920 2400 2560 3200 3840 4800 6400 7680 9600 12800 19200 38400 784411 1568822 2353233 3137644 3922055 4706466 6275288 7844110 9412932 11766165 12550576 15688220 18825864 19610275 23532330 25101152 31376440 37651728 39220550 47064660 50202304 58830825 62752880 75303456 78441100 94129320 100404608 117661650 125505760 150606912 156882200 188258640 200809216 235323300 251011520 301213824 313764400 376517280 401618432 470646600 502023040 602427648 627528800 753034560 941293200 1004046080 1204855296 1255057600 1506069120 1882586400 2008092160 2510115200 3012138240 3765172800 5020230400 6024276480 7530345600 10040460800 15060691200 30121382400
• Sum of all divisors σ(n): 99504231024
• Sum of proper divisors (its aliquot sum) s(n): 69382848624
• 30121382400 is an abundant number, because the sum of its proper divisors (69382848624) is greater than itself. Its abundance is 39261466224

Bases of 30121382400

• Binary: 11100000011010111111101001000000000₂
• Hexadecimal: 0x7035FD200
• Base-36: DU5HREO

Squares and roots of 30121382400

• 30121382400 squared (30121382400²) is 907297677687029760000
• 30121382400 cubed (30121382400³) is 27329060300242970921140224000000
• The square root of 30121382400 is 173555.1278412713
• The cube root of 30121382400 is 3111.4175704159

Scales and comparisons

• 30,121,382,400 seconds is equal to 957 years, 39 weeks, 6 days, 2 hours, 40 minutes.
• To count from 1 to 30,121,382,400 would take you about one thousand, nine hundred fifteen 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 30121382400 cubic inches would be around 259.3 feet tall.

Recreational maths with 30121382400

• 30121382400 backwards is 00428312103
• 30121382400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30121382400's digits is 24
• More coming soon!