72499749140

Names of 72499749140

• Cardinal: 72499749140 can be written as Seventy-two billion, four hundred ninety-nine million, seven hundred forty-nine thousand, one hundred forty.

Scientific notation

• Scientific notation: 7.249974914 × 10¹⁰

Factors of 72499749140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14159

Divisors of 72499749140

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 3889 7778 10243 15556 19445 20486 27223 38890 40972 50557 51215 54446 71701 77780 101114 102430 108892 133159 136115 143402 202228 204860 252785 266318 272230 286804 353899 358505 505570 532636 544460 665795 707798 717010 932113 1011140 1331590 1415596 1434020 1769495 1864226 2663180 3538990 3728452 4660565 7077980 9321130 18642260 39835027 79670054 159340108 199175135 278845189 398350270 517855351 557690378 796700540 1035710702 1115380756 1394225945 2071421404 2589276755 2788451890 3624987457 5178553510 5576903780 7249974914 10357107020 14499949828 18124937285 36249874570 72499749140
• Sum of all divisors σ(n): 187450448640
• Sum of proper divisors (its aliquot sum) s(n): 114950699500
• 72499749140 is an abundant number, because the sum of its proper divisors (114950699500) is greater than itself. Its abundance is 42450950360

Bases of 72499749140

• Binary: 1000011100001010100100110000100010100₂
• Hexadecimal: 0x10E1526114
• Base-36: XB0H8GK

Squares and roots of 72499749140

• 72499749140 squared (72499749140²) is 5256213625362930739600
• 72499749140 cubed (72499749140³) is 381074169265062420076194663944000
• The square root of 72499749140 is 269257.7745209969
• The cube root of 72499749140 is 4169.7706483631

Scales and comparisons

• 72,499,749,140 seconds is equal to 2,305 years, 13 weeks, 6 days, 11 hours, 12 minutes, 20 seconds.
• To count from 1 to 72,499,749,140 would take you about four thousand, six hundred ten 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 72499749140 cubic inches would be around 347.5 feet tall.

Recreational maths with 72499749140

• 72499749140 backwards is 04194799427
• The number of decimal digits it has is: 11
• The sum of 72499749140's digits is 56
• More coming soon!