18189255456

Names of 18189255456

• Cardinal: 18189255456 can be written as Eighteen billion, one hundred eighty-nine million, two hundred fifty-five thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8189255456 × 10¹⁰

Factors of 18189255456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5130

Divisors of 18189255456

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 93 96 108 124 137 144 186 216 248 274 279 288 372 411 432 496 548 558 744 822 837 864 992 1096 1116 1233 1488 1644 1674 2192 2232 2466 2976 3288 3348 3699 4247 4384 4464 4932 4957 6576 6696 7398 8494 8928 9864 9914 12741 13152 13392 14796 14871 16988 19728 19828 25482 26784 29592 29742 33976 38223 39456 39656 44613 50964 59184 59484 67952 76446 79312 89226 101928 114669 118368 118968 133839 135904 152892 153667 158624 178452 203856 229338 237936 267678 305784 307334 356904 407712 458676 461001 475872 535356 611568 614668 679109 713808 917352 922002 1070712 1223136 1229336 1358218 1383003 1427616 1834704 1844004 2037327 2141424 2458672 2716436 2766006 3669408 3688008 4074654 4149009 4282848 4917344 5432872 5532012 6111981 7376016 8149308 8298018 10865744 11064024 12223962 14752032 16298616 16596036 18335943 21052379 21731488 22128048 24447924 32597232 33192072 36671886 42104758 44256096 48895848 63157137 65194464 66384144 73343772 84209516 97791696 126314274 132768288 146687544 168419032 189471411 195583392 252628548 293375088 336838064 378942822 505257096 568414233 586750176 673676128 757885644 1010514192 1136828466 1515771288 2021028384 2273656932 3031542576 4547313864 6063085152 9094627728 18189255456
• Sum of all divisors σ(n): 55174210560
• Sum of proper divisors (its aliquot sum) s(n): 36984955104
• 18189255456 is an abundant number, because the sum of its proper divisors (36984955104) is greater than itself. Its abundance is 18795699648

Bases of 18189255456

• Binary: 10000111100001010100000001100100000₂
• Hexadecimal: 0x43C2A0320
• Base-36: 8CTEVC0

Squares and roots of 18189255456

• 18189255456 squared (18189255456²) is 330849014043625767936
• 18189255456 cubed (18189255456³) is 6017897233805240621452077858816
• The square root of 18189255456 is 134867.5478237815
• The cube root of 18189255456 is 2629.8943827433

Scales and comparisons

• 18,189,255,456 seconds is equal to 578 years, 18 weeks, 5 days, 18 hours, 57 minutes, 36 seconds.
• To count from 1 to 18,189,255,456 would take you about one thousand, one hundred fifty-six 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 18189255456 cubic inches would be around 219.2 feet tall.

Recreational maths with 18189255456

• 18189255456 backwards is 65455298181
• 18189255456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18189255456's digits is 54
• More coming soon!