64942790472

Names of 64942790472

• Cardinal: 64942790472 can be written as Sixty-four billion, nine hundred forty-two million, seven hundred ninety thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.4942790472 × 10¹⁰

Factors of 64942790472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1258

Divisors of 64942790472

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 29 36 42 54 56 58 63 72 84 87 108 116 126 168 174 189 203 216 232 252 261 348 378 406 504 522 609 696 756 783 812 1044 1217 1218 1512 1566 1624 1827 2088 2434 2436 3132 3651 3654 4868 4872 5481 6264 7302 7308 8519 9736 10953 10962 14604 14616 17038 21906 21924 25557 29208 32859 34076 35293 43812 43848 51114 65718 68152 70586 76671 87624 102228 105879 131436 141172 153342 204456 211758 230013 247051 262872 282344 306684 317637 423516 460026 494102 613368 635274 741153 847032 920052 952911 988204 1270548 1481089 1482306 1840104 1905822 1976408 2223459 2541096 2962178 2964612 3811644 4443267 4446918 5924356 5929224 6670377 7623288 8886534 8893836 10367623 11848712 13329801 13340754 17773068 17787672 20735246 26659602 26681508 31102869 35546136 39989403 41470492 42951581 53319204 53363016 62205738 79978806 82940984 85903162 93308607 106638408 124411476 128854743 159957612 171806324 186617214 248822952 257709486 279925821 300661067 319915224 343612648 373234428 386564229 515418972 559851642 601322134 746468856 773128458 901983201 1030837944 1119703284 1159692687 1202644268 1546256916 1803966402 2239406568 2319385374 2405288536 2705949603 3092513832 3607932804 4638770748 5411899206 7215865608 8117848809 9277541496 10823798412 16235697618 21647596824 32471395236 64942790472
• Sum of all divisors σ(n): 213452208000
• Sum of proper divisors (its aliquot sum) s(n): 148509417528
• 64942790472 is an abundant number, because the sum of its proper divisors (148509417528) is greater than itself. Its abundance is 83566627056

Bases of 64942790472

• Binary: 111100011110111001000101011101001000₂
• Hexadecimal: 0xF1EE45748
• Base-36: TU19DU0

Squares and roots of 64942790472

• 64942790472 squared (64942790472²) is 4217566034290093982784
• 64942790472 cubed (64942790472³) is 273900507266725540789129287234048
• The square root of 64942790472 is 254838.7538660477
• The cube root of 64942790472 is 4019.5458029951

Scales and comparisons

• 64,942,790,472 seconds is equal to 2,064 years, 50 weeks, 6 days, 16 hours, 1 minute, 12 seconds.
• To count from 1 to 64,942,790,472 would take you about four thousand, one hundred twenty-nine 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 64942790472 cubic inches would be around 335 feet tall.

Recreational maths with 64942790472

• 64942790472 backwards is 27409724946
• 64942790472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64942790472's digits is 54
• More coming soon!