13398505380

Names of 13398505380

• Cardinal: 13398505380 can be written as Thirteen billion, three hundred ninety-eight million, five hundred five thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.339850538 × 10¹⁰

Factors of 13398505380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6547

Divisors of 13398505380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 260 270 307 351 390 468 540 585 614 702 780 921 1170 1228 1404 1535 1755 1842 2340 2763 3070 3510 3684 3991 4605 5526 6140 6217 7020 7982 8289 9210 11052 11973 12434 13815 15964 16578 18420 18651 19955 23946 24868 27630 31085 33156 35919 37302 39910 41445 47892 55260 55953 59865 62170 71838 74604 79820 80821 82890 93255 107757 111906 119730 124340 143676 161642 165780 167859 179595 186510 215514 223812 239460 242463 279765 323284 335718 359190 373020 404105 431028 484926 538785 559530 671436 718380 727389 808210 839295 969852 1077570 1119060 1212315 1454778 1616420 1678590 1908619 2155140 2182167 2424630 2909556 3357180 3636945 3817238 4364334 4849260 5725857 7273890 7634476 8728668 9543095 10910835 11451714 14547780 17177571 19086190 21821670 22903428 24812047 28629285 34355142 38172380 43643340 49624094 51532713 57258570 68710284 74436141 85887855 99248188 103065426 114517140 124060235 148872282 171775710 206130852 223308423 248120470 257663565 297744564 343551420 372180705 446616846 496240940 515327130 669925269 744361410 893233692 1030654260 1116542115 1339850538 1488722820 2233084230 2679701076 3349626345 4466168460 6699252690 13398505380
• Sum of all divisors σ(n): 45044186880
• Sum of proper divisors (its aliquot sum) s(n): 31645681500
• 13398505380 is an abundant number, because the sum of its proper divisors (31645681500) is greater than itself. Its abundance is 18247176120

Bases of 13398505380

• Binary: 1100011110100111001111011110100100₂
• Hexadecimal: 0x31E9CF7A4
• Base-36: 65L4GX0

Squares and roots of 13398505380

• 13398505380 squared (13398505380²) is 179519946417888944400
• 13398505380 cubed (13398505380³) is 2405298967897396749785920872000
• The square root of 13398505380 is 115751.9130727437
• The cube root of 13398505380 is 2375.1194254997

Scales and comparisons

• 13,398,505,380 seconds is equal to 426 years, 1 week, 4 days, 7 hours, 3 minutes.
• To count from 1 to 13,398,505,380 would take you about eight hundred fifty-two 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 13398505380 cubic inches would be around 197.9 feet tall.

Recreational maths with 13398505380

• 13398505380 backwards is 08350589331
• 13398505380 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13398505380's digits is 45
• More coming soon!