1231720448

Names of 1231720448

• Cardinal: 1231720448 can be written as One billion, two hundred thirty-one million, seven hundred twenty thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.231720448 × 10⁹

Factors of 1231720448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 45

Divisors of 1231720448

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 4 7 8 14 16 17 19 28 32 34 38 49 56 64 68 76 98 112 119 128 133 136 152 196 224 238 256 266 272 304 323 361 392 448 476 512 532 544 608 646 722 784 833 896 931 952 1024 1064 1088 1216 1292 1444 1568 1666 1792 1862 1904 2048 2128 2176 2261 2432 2527 2584 2888 3136 3332 3584 3724 3808 4096 4256 4352 4522 4864 5054 5168 5776 6137 6272 6664 7168 7448 7616 8512 8704 9044 9728 10108 10336 11552 12274 12544 13328 14336 14896 15232 15827 17024 17408 17689 18088 19456 20216 20672 23104 24548 25088 26656 28672 29792 30464 31654 34048 34816 35378 36176 38912 40432 41344 42959 46208 49096 50176 53312 59584 60928 63308 68096 69632 70756 72352 77824 80864 82688 85918 92416 98192 100352 106624 119168 121856 126616 136192 141512 144704 161728 165376 171836 184832 196384 200704 213248 238336 243712 253232 272384 283024 289408 300713 323456 330752 343672 369664 392768 426496 476672 487424 506464 544768 566048 578816 601426 646912 661504 687344 739328 785536 852992 953344 1012928 1132096 1157632 1202852 1293824 1323008 1374688 1478656 1571072 1705984 1906688 2025856 2264192 2315264 2405704 2587648 2749376 3142144 3411968 3813376 4051712 4528384 4630528 4811408 5175296 5498752 6284288 8103424 9056768 9261056 9622816 10350592 10997504 12568576 16206848 18113536 19245632 21995008 25137152 32413696 36227072 38491264 43990016 64827392 72454144 76982528 87980032 153965056 175960064 307930112 615860224 1231720448
• Sum of all divisors σ(n): 3201911046
• Sum of proper divisors (its aliquot sum) s(n): 1970190598
• 1231720448 is an abundant number, because the sum of its proper divisors (1970190598) is greater than itself. Its abundance is 738470150

Bases of 1231720448

• Binary: 1001001011010101001000000000000₂
• Hexadecimal: 0x496A9000
• Base-36: KDC1KW

Squares and roots of 1231720448

• 1231720448 squared (1231720448²) is 1517135262021320704
• 1231720448 cubed (1231720448³) is 1868686524613498523082555392
• The square root of 1231720448 is 35095.8750852575
• The cube root of 1231720448 is 1071.9405922377

Scales and comparisons

• 1,231,720,448 seconds is equal to 39 years, 8 weeks, 4 days, 34 minutes, 8 seconds.
• To count from 1 to 1,231,720,448 would take you about 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 1231720448 cubic inches would be around 89.3 feet tall.

Recreational maths with 1231720448

• 1231720448 backwards is 8440271321
• 1231720448 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1231720448's digits is 32
• More coming soon!