1321601913

Names of 1321601913

• Cardinal: 1321601913 can be written as One billion, three hundred twenty-one million, six hundred one thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.321601913 × 10⁹

Factors of 1321601913

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 61

Divisors of 1321601913

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 17 27 41 51 81 123 153 243 289 369 459 697 729 867 1107 1377 2091 2187 2601 3321 4131 4913 6273 6561 7803 9963 11849 12393 14739 18819 23409 29889 35547 37179 44217 56457 70227 89667 106641 111537 132651 169371 201433 210681 269001 319923 397953 508113 604299 632043 959769 1193859 1524339 1812897 1896129 2879307 3581577 4573017 5438691 8637921 10744731 16316073 25913763 32234193 48948219 77741289 146844657 440533971 1321601913
• Sum of all divisors σ(n): 2157540840
• Sum of proper divisors (its aliquot sum) s(n): 835938927
• 1321601913 is a deficient number, because the sum of its proper divisors (835938927) is less than itself. Its deficiency is 485662986

Bases of 1321601913

• Binary: 1001110110001100000101101111001₂
• Hexadecimal: 0x4EC60B79
• Base-36: LUUIK9

Squares and roots of 1321601913

• 1321601913 squared (1321601913²) is 1746631616445259569
• 1321601913 cubed (1321601913³) is 2308351685600337306171955497
• The square root of 1321601913 is 36353.8431668511
• The cube root of 1321601913 is 1097.4048777135

Scales and comparisons

• 1,321,601,913 seconds is equal to 42 years, 1 week, 1 day, 7 hours, 38 minutes, 33 seconds.
• To count from 1 to 1,321,601,913 would take you about eighty-four 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 1321601913 cubic inches would be around 91.5 feet tall.

Recreational maths with 1321601913

• 1321601913 backwards is 3191061231
• 1321601913 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1321601913's digits is 27
• More coming soon!