15442121220

Names of 15442121220

• Cardinal: 15442121220 can be written as Fifteen billion, four hundred forty-two million, one hundred twenty-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.544212122 × 10¹⁰

Factors of 15442121220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 532

Divisors of 15442121220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 89 113 157 163 178 226 267 314 326 339 356 445 452 471 489 534 565 628 652 678 785 815 890 942 978 1068 1130 1335 1356 1570 1630 1695 1780 1884 1956 2260 2355 2445 2670 3140 3260 3390 4710 4890 5340 6780 9420 9780 10057 13973 14507 17741 18419 20114 25591 27946 29014 30171 35482 36838 40228 41919 43521 50285 51182 53223 55257 55892 58028 60342 69865 70964 72535 73676 76773 83838 87042 88705 92095 100570 102364 106446 110514 120684 127955 139730 145070 150855 153546 167676 174084 177410 184190 201140 209595 212892 217605 221028 255910 266115 276285 279460 290140 301710 307092 354820 368380 383865 419190 435210 511820 532230 552570 603420 767730 838380 870420 1064460 1105140 1535460 1578949 1639291 2277599 2891783 3157898 3278582 4555198 4736847 4917873 5783566 6315796 6557164 6832797 7894745 8196455 8675349 9110396 9473694 9835746 11387995 11567132 13665594 14458915 15789490 16392910 17350698 18947388 19671492 22775990 23684235 24589365 27331188 28917830 31578980 32785820 34163985 34701396 43376745 45551980 47368470 49178730 57835660 68327970 86753490 94736940 98357460 136655940 173506980 257368687 514737374 772106061 1029474748 1286843435 1544212122 2573686870 3088424244 3860530305 5147373740 7721060610 15442121220
• Sum of all divisors σ(n): 44663996160
• Sum of proper divisors (its aliquot sum) s(n): 29221874940
• 15442121220 is an abundant number, because the sum of its proper divisors (29221874940) is greater than itself. Its abundance is 13779753720

Bases of 15442121220

• Binary: 1110011000011011000001001000000100₂
• Hexadecimal: 0x3986C1204
• Base-36: 73DU8ZO

Squares and roots of 15442121220

• 15442121220 squared (15442121220²) is 238459107773174288400
• 15442121220 cubed (15442121220³) is 3682314448246401625660039848000
• The square root of 15442121220 is 124266.3318039121
• The cube root of 15442121220 is 2490.2081631103

Scales and comparisons

• 15,442,121,220 seconds is equal to 491 years, 4 days, 6 hours, 7 minutes.
• To count from 1 to 15,442,121,220 would take you about nine hundred eighty-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 15442121220 cubic inches would be around 207.5 feet tall.

Recreational maths with 15442121220

• 15442121220 backwards is 02212124451
• The number of decimal digits it has is: 11
• The sum of 15442121220's digits is 24
• More coming soon!