161622713472

Names of 161622713472

• Cardinal: 161622713472 can be written as One hundred sixty-one billion, six hundred twenty-two million, seven hundred thirteen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.61622713472 × 10¹¹

Factors of 161622713472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 38262969

Divisors of 161622713472

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 264 352 384 528 704 1056 1408 2112 4224 38262953 76525906 114788859 153051812 229577718 306103624 420892483 459155436 612207248 841784966 918310872 1224414496 1262677449 1683569932 1836621744 2448828992 2525354898 3367139864 3673243488 4897657984 5050709796 6734279728 7346486976 10101419592 13468559456 14692973952 20202839184 26937118912 40405678368 53874237824 80811356736 161622713472
• Sum of all divisors σ(n): 468338556960
• Sum of proper divisors (its aliquot sum) s(n): 306715843488
• 161622713472 is an abundant number, because the sum of its proper divisors (306715843488) is greater than itself. Its abundance is 145093130016

Bases of 161622713472

• Binary: 10010110100001011101101110010010000000₂
• Hexadecimal: 0x25A176E480
• Base-36: 228XZNUO

Squares and roots of 161622713472

• 161622713472 squared (161622713472²) is 26121901510052210294784
• 161622713472 cubed (161622713472³) is 4221892603102972512234163088130048
• The square root of 161622713472 is 402023.2747889105
• The cube root of 161622713472 is 5447.1265437573

Scales and comparisons

• 161,622,713,472 seconds is equal to 5,139 years, 5 weeks, 2 days, 6 hours, 11 minutes, 12 seconds.
• To count from 1 to 161,622,713,472 would take you about ten thousand, two hundred seventy-eight 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 161622713472 cubic inches would be around 453.9 feet tall.

Recreational maths with 161622713472

• 161622713472 backwards is 274317226161
• The number of decimal digits it has is: 12
• The sum of 161622713472's digits is 42
• More coming soon!