21831012172144

Names of 21831012172144

• Cardinal: 21831012172144 can be written as Twenty-one trillion, eight hundred thirty-one billion, twelve million, one hundred seventy-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1831012172144 × 10¹³

Factors of 21831012172144

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 442

Divisors of 21831012172144

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 196 343 392 433 686 784 866 1372 1732 2401 2744 3031 3464 4802 5488 6062 6928 9604 12124 16807 19208 21217 24248 33614 38416 42434 48496 67228 84868 134456 148519 169736 187489 268912 297038 339472 374978 594076 749956 1039633 1188152 1312423 1499912 2079266 2376304 2624846 2999824 4158532 5249692 7277431 8317064 9186961 10499384 14554862 16634128 18373922 20998768 29109724 36747844 58219448 64308727 73495688 81182737 116438896 128617454 146991376 162365474 257234908 324730948 450161089 514469816 568279159 649461896 900322178 1028939632 1136558318 1298923792 1800644356 2273116636 3151127623 3601288712 3977954113 4546233272 6302255246 7202577424 7955908226 9092466544 12604510492 15911816452 25209020984 27845678791 31823632904 50418041968 55691357582 63647265808 111382715164 194919751537 222765430328 389839503074 445530860656 779679006148 1364438260759 1559358012296 2728876521518 3118716024592 5457753043036 10915506086072 21831012172144
• Sum of all divisors σ(n): 49460992939680
• Sum of proper divisors (its aliquot sum) s(n): 27629980767536
• 21831012172144 is an abundant number, because the sum of its proper divisors (27629980767536) is greater than itself. Its abundance is 5798968595392

Bases of 21831012172144

• Binary: 100111101101011101101101110011100000101110000₂
• Hexadecimal: 0x13DAEDB9C170
• Base-36: 7QL10ZJHS

Squares and roots of 21831012172144

• 21831012172144 squared (21831012172144²) is 476593092460299489089556736
• 21831012172144 cubed (21831012172144³) is 10404509602660548978393777428129486761984
• The square root of 21831012172144 is 4672366.8704569849
• The cube root of 21831012172144 is 27948.4648024583

Scales and comparisons

• 21,831,012,172,144 seconds is equal to 694,158 years, 34 weeks, 1 day, 23 hours, 49 minutes, 4 seconds.
• To count from 1 to 21,831,012,172,144 would take you about one million, seven hundred thirty-five thousand, three hundred ninety-six 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 21831012172144 cubic inches would be around 2329 feet tall.

Recreational maths with 21831012172144

• 21831012172144 backwards is 44127121013812
• The number of decimal digits it has is: 14
• The sum of 21831012172144's digits is 37
• More coming soon!