1628797940

Names of 1628797940

• Cardinal: 1628797940 can be written as One billion, six hundred twenty-eight million, seven hundred ninety-seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.62879794 × 10⁹

Factors of 1628797940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8766

Divisors of 1628797940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 121 140 154 220 242 308 385 484 605 770 847 1210 1331 1540 1694 2420 2662 3388 4235 5324 6655 8470 8741 9317 13310 16940 17482 18634 26620 34964 37268 43705 46585 61187 87410 93170 96151 122374 174820 186340 192302 244748 305935 384604 480755 611870 673057 961510 1057661 1223740 1346114 1923020 2115322 2692228 3365285 4230644 5288305 6730570 7403627 10576610 11634271 13461140 14807254 21153220 23268542 29614508 37018135 46537084 58171355 74036270 81439897 116342710 148072540 162879794 232685420 325759588 407199485 814398970 1628797940
• Sum of all divisors σ(n): 4300224768
• Sum of proper divisors (its aliquot sum) s(n): 2671426828
• 1628797940 is an abundant number, because the sum of its proper divisors (2671426828) is greater than itself. Its abundance is 1042628888

Bases of 1628797940

• Binary: 1100001000101010111101111110100₂
• Hexadecimal: 0x61157BF4
• Base-36: QXQSJ8

Squares and roots of 1628797940

• 1628797940 squared (1628797940²) is 2652982729348243600
• 1628797940 cubed (1628797940³) is 4321172804417996718298184000
• The square root of 1628797940 is 40358.3688966737
• The cube root of 1628797940 is 1176.5825520511

Scales and comparisons

• 1,628,797,940 seconds is equal to 51 years, 41 weeks, 19 hours, 52 minutes, 20 seconds.
• To count from 1 to 1,628,797,940 would take you about one hundred three 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 1628797940 cubic inches would be around 98 feet tall.

Recreational maths with 1628797940

• 1628797940 backwards is 0497978261
• The number of decimal digits it has is: 10
• The sum of 1628797940's digits is 53
• More coming soon!