161200401388

Names of 161200401388

• Cardinal: 161200401388 can be written as One hundred sixty-one billion, two hundred million, four hundred one thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.61200401388 × 10¹¹

Factors of 161200401388

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1135

Divisors of 161200401388

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 13 19 26 31 38 52 62 76 124 247 361 403 439 494 589 631 722 806 878 988 1178 1262 1444 1612 1756 2356 2524 4693 5707 7657 8203 8341 9386 11191 11414 11989 13609 15314 16406 16682 18772 19561 22382 22828 23978 27218 30628 32812 33364 39122 44764 47956 54436 78244 108433 145483 155857 158479 176917 216866 227791 254293 258571 277009 290966 311714 316958 353834 371659 433732 455582 508586 517142 554018 581932 623428 633916 707668 743318 911164 1017172 1034284 1108036 1486636 2060227 2961283 3361423 3601117 4120454 4831567 4912849 5263171 5922566 6722846 7061521 7202234 8240908 8587279 9663134 9825698 10526342 11845132 13445692 14123042 14404468 17174558 19326268 19651396 21052684 28246084 34349116 63867037 68421223 91799773 100000249 111634627 127734074 136842446 163158301 183599546 200000498 223269254 255468148 273684892 326316602 367199092 400000996 446538508 652633204 1300003237 2121057913 2600006474 3100007719 4242115826 5200012948 6200015438 8484231652 12400030876 40300100347 80600200694 161200401388
• Sum of all divisors σ(n): 332254433280
• Sum of proper divisors (its aliquot sum) s(n): 171054031892
• 161200401388 is an abundant number, because the sum of its proper divisors (171054031892) is greater than itself. Its abundance is 9853630504

Bases of 161200401388

• Binary: 10010110001000010010101110101111101100₂
• Hexadecimal: 0x25884AEBEC
• Base-36: 221YK1RG

Squares and roots of 161200401388

• 161200401388 squared (161200401388²) is 25985569407652312326544
• 161200401388 cubed (161200401388³) is 4188884218809286145785232926843072
• The square root of 161200401388 is 401497.6978613949
• The cube root of 161200401388 is 5442.3780488917

Scales and comparisons

• 161,200,401,388 seconds is equal to 5,125 years, 35 weeks, 9 hours, 16 minutes, 28 seconds.
• To count from 1 to 161,200,401,388 would take you about ten thousand, two hundred fifty-one 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 161200401388 cubic inches would be around 453.5 feet tall.

Recreational maths with 161200401388

• 161200401388 backwards is 883104002161
• The number of decimal digits it has is: 12
• The sum of 161200401388's digits is 34
• More coming soon!