8138216448

Names of 8138216448

• Cardinal: 8138216448 can be written as Eight billion, one hundred thirty-eight million, two hundred sixteen thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 8.138216448 × 10⁹

Factors of 8138216448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1727

Divisors of 8138216448

• Number of divisors d(n): 220
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 64 72 81 96 108 118 128 144 162 177 192 216 236 256 288 324 354 384 432 472 512 531 576 648 708 768 864 944 1024 1062 1152 1296 1416 1536 1593 1663 1728 1888 2124 2304 2592 2832 3072 3186 3326 3456 3776 4248 4608 4779 4989 5184 5664 6372 6652 6912 7552 8496 9216 9558 9978 10368 11328 12744 13304 13824 14967 15104 16992 19116 19956 20736 22656 25488 26608 27648 29934 30208 33984 38232 39912 41472 44901 45312 50976 53216 59868 60416 67968 76464 79824 82944 89802 90624 98117 101952 106432 119736 134703 135936 152928 159648 179604 181248 196234 203904 212864 239472 269406 271872 294351 305856 319296 359208 392468 407808 425728 478944 538812 543744 588702 611712 638592 718416 784936 815616 851456 883053 957888 1077624 1177404 1223424 1277184 1436832 1569872 1631232 1702912 1766106 1915776 2155248 2354808 2446848 2554368 2649159 2873664 3139744 3532212 3831552 4310496 4709616 4893696 5108736 5298318 5747328 6279488 7064424 7663104 7947477 8620992 9419232 10596636 11494656 12558976 14128848 15326208 15894954 17241984 18838464 21193272 22989312 25117952 28257696 31789908 34483968 37676928 42386544 45978624 50235904 56515392 63579816 68967936 75353856 84773088 100471808 113030784 127159632 137935872 150707712 169546176 226061568 254319264 301415424 339092352 452123136 508638528 678184704 904246272 1017277056 1356369408 2034554112 2712738816 4069108224 8138216448
• Sum of all divisors σ(n): 24729070080
• Sum of proper divisors (its aliquot sum) s(n): 16590853632
• 8138216448 is an abundant number, because the sum of its proper divisors (16590853632) is greater than itself. Its abundance is 8452637184

Bases of 8138216448

• Binary: 111100101000100110101010000000000₂
• Hexadecimal: 0x1E5135400
• Base-36: 3QLA800

Squares and roots of 8138216448

• 8138216448 squared (8138216448²) is 66230566954497736704
• 8138216448 cubed (8138216448³) is 538998689349458748423266107392
• The square root of 8138216448 is 90212.0637608961
• The cube root of 8138216448 is 2011.4523341841

Scales and comparisons

• 8,138,216,448 seconds is equal to 258 years, 40 weeks, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 8,138,216,448 would take you about five hundred seventeen 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 8138216448 cubic inches would be around 167.6 feet tall.

Recreational maths with 8138216448

• 8138216448 backwards is 8446128318
• The number of decimal digits it has is: 10
• The sum of 8138216448's digits is 45
• More coming soon!