664491739648

Names of 664491739648

• Cardinal: 664491739648 can be written as Six hundred sixty-four billion, four hundred ninety-one million, seven hundred thirty-nine thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 6.64491739648 × 10¹¹

Factors of 664491739648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4414

Divisors of 664491739648

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 11 16 22 31 32 44 62 64 88 124 128 176 248 256 341 352 496 512 682 704 992 1201 1364 1408 1984 2402 2728 2816 3169 3968 4804 5456 5632 6338 7936 9608 10912 12676 13211 15872 19216 21824 25352 26422 34859 37231 38432 43648 50704 52844 69718 74462 76864 87296 98239 101408 105688 139436 148924 153728 174592 196478 202816 211376 278872 297848 307456 392956 405632 409541 422752 557744 595696 614912 785912 811264 819082 845504 1080629 1115488 1191392 1571824 1622528 1638164 1691008 2161258 2230976 2382784 3143648 3276328 3382016 3805969 4322516 4461952 4765568 6287296 6552656 6764032 7611938 8645032 8923904 9531136 12574592 13105312 15223876 17290064 17847808 19062272 25149184 26210624 30447752 34580128 41865659 50298368 52421248 60895504 69160256 83731318 104842496 117985039 121791008 138320512 167462636 209684992 235970078 243582016 276641024 334925272 471940156 487164032 553282048 669850544 943880312 974328064 1297835429 1339701088 1887760624 1948656128 2595670858 2679402176 3775521248 5191341716 5358804352 7551042496 10382683432 10717608704 15102084992 20765366864 21435217408 30204169984 41530733728 60408339968 83061467456 166122934912 332245869824 664491739648
• Sum of all divisors σ(n): 1496823482880
• Sum of proper divisors (its aliquot sum) s(n): 832331743232
• 664491739648 is an abundant number, because the sum of its proper divisors (832331743232) is greater than itself. Its abundance is 167840003584

Bases of 664491739648

• Binary: 1001101010110110110010110100101000000000₂
• Hexadecimal: 0x9AB6CB4A00
• Base-36: 8H9H83R4

Squares and roots of 664491739648

• 664491739648 squared (664491739648²) is 441549272060425415163904
• 664491739648 cubed (664491739648³) is 293405843931740125497215208015265792
• The square root of 664491739648 is 815163.6275300807
• The cube root of 664491739648 is 8726.2944290589

Scales and comparisons

• 664,491,739,648 seconds is equal to 21,128 years, 40 weeks, 4 days, 14 hours, 47 minutes, 28 seconds.
• To count from 1 to 664,491,739,648 would take you about forty-two thousand, two hundred fifty-seven 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 664491739648 cubic inches would be around 727.2 feet tall.

Recreational maths with 664491739648

• 664491739648 backwards is 846937194466
• The number of decimal digits it has is: 12
• The sum of 664491739648's digits is 67
• More coming soon!