1025661728

Names of 1025661728

• Cardinal: 1025661728 can be written as One billion, twenty-five million, six hundred sixty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.025661728 × 10⁹

Factors of 1025661728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 840

Divisors of 1025661728

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 67 91 98 104 112 134 182 196 208 224 268 364 392 416 469 536 637 728 751 784 871 938 1072 1274 1456 1502 1568 1742 1876 2144 2548 2912 3004 3283 3484 3752 5096 5257 6008 6097 6566 6968 7504 9763 10192 10514 12016 12194 13132 13936 15008 19526 20384 21028 24032 24388 26264 27872 36799 39052 42056 42679 48776 50317 52528 68341 73598 78104 84112 85358 97552 100634 105056 136682 147196 156208 168224 170716 195104 201268 273364 294392 312416 341432 352219 402536 478387 546728 588784 654121 682864 704438 805072 956774 1093456 1177568 1308242 1365728 1408876 1610144 1913548 2186912 2465533 2616484 2817752 3827096 4578847 4931066 5232968 5635504 7654192 9157694 9862132 10465936 11271008 15308384 18315388 19724264 20931872 32051929 36630776 39448528 64103858 73261552 78897056 128207716 146523104 256415432 512830864 1025661728
• Sum of all divisors σ(n): 2570811264
• Sum of proper divisors (its aliquot sum) s(n): 1545149536
• 1025661728 is an abundant number, because the sum of its proper divisors (1545149536) is greater than itself. Its abundance is 519487808

Bases of 1025661728

• Binary: 111101001000100101101100100000₂
• Hexadecimal: 0x3D225B20
• Base-36: GYNHNK

Squares and roots of 1025661728

• 1025661728 squared (1025661728²) is 1051981980283945984
• 1025661728 cubed (1025661728³) is 1078977655722893968608100352
• The square root of 1025661728 is 32025.9539748623
• The cube root of 1025661728 is 1008.4817655921

Scales and comparisons

• 1,025,661,728 seconds is equal to 32 years, 31 weeks, 6 days, 2 hours, 2 minutes, 8 seconds.
• To count from 1 to 1,025,661,728 would take you about sixty-five 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 1025661728 cubic inches would be around 84 feet tall.

Recreational maths with 1025661728

• 1025661728 backwards is 8271665201
• The number of decimal digits it has is: 10
• The sum of 1025661728's digits is 38
• More coming soon!