20438757248

Names of 20438757248

• Cardinal: 20438757248 can be written as Twenty billion, four hundred thirty-eight million, seven hundred fifty-seven thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.0438757248 × 10¹⁰

Factors of 20438757248

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 138

Divisors of 20438757248

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 43 52 56 64 73 86 91 104 112 128 146 169 172 182 208 224 292 301 338 344 364 416 448 511 559 584 602 676 688 728 832 896 949 1022 1118 1168 1183 1204 1352 1376 1456 1664 1849 1898 2044 2236 2336 2366 2408 2704 2752 2912 3139 3698 3796 3913 4088 4472 4672 4732 4816 5408 5504 5824 6278 6643 7267 7396 7592 7826 8176 8944 9344 9464 9632 10816 11648 12337 12556 12943 13286 14534 14792 15184 15652 16352 17888 18928 19264 21632 21973 24037 24674 25112 25886 26572 29068 29584 30368 31304 32704 35776 37856 38528 40807 43946 48074 49348 50224 50869 51772 53144 58136 59168 60736 62608 65408 71552 75712 81614 86359 87892 96148 98696 100448 101738 103544 106288 116272 118336 121472 125216 134977 151424 163228 168259 172718 175784 192296 197392 200896 203476 207088 212576 232544 236672 250432 269954 285649 312481 326456 336518 345436 351568 384592 394784 401792 406952 414176 425152 465088 500864 530491 539908 571298 624962 652912 673036 690872 703136 769184 789568 813904 828352 850304 930176 944839 1060982 1079816 1142596 1249924 1305824 1346072 1381744 1406272 1538368 1579136 1627808 1656704 1754701 1889678 2121964 2159632 2187367 2285192 2499848 2611648 2692144 2763488 2812544 3076736 3255616 3509402 3713437 3779356 4243928 4319264 4374734 4570384 4999696 5223296 5384288 5526976 6511232 7018804 7426874 7558712 8487856 8638528 8749468 9140768 9999392 10768576 11053952 12282907 14037608 14853748 15117424 16975712 17277056 17498936 18281536 19998784 21537152 22811113 24565814 28075216 29707496 30234848 33951424 34997872 36563072 39997568 45622226 49131628 56150432 59414992 60469696 67902848 69995744 91244452 98263256 112300864 118829984 120939392 139991488 159677791 182488904 196526512 224601728 237659968 279982976 319355582 364977808 393053024 475319936 638711164 729955616 786106048 1277422328 1459911232 1572212096 2554844656 2919822464 5109689312 10219378624 20438757248
• Sum of all divisors σ(n): 52295412240
• Sum of proper divisors (its aliquot sum) s(n): 31856654992
• 20438757248 is an abundant number, because the sum of its proper divisors (31856654992) is greater than itself. Its abundance is 11417897744

Bases of 20438757248

• Binary: 10011000010001111101010111110000000₂
• Hexadecimal: 0x4C23EAF80
• Base-36: 9E0PI0W

Squares and roots of 20438757248

• 20438757248 squared (20438757248²) is 417742797842672533504
• 20438757248 cubed (20438757248³) is 8538143637206722007845402836992
• The square root of 20438757248 is 142964.1816959759
• The cube root of 20438757248 is 2734.1237150065

Scales and comparisons

• 20,438,757,248 seconds is equal to 649 years, 46 weeks, 1 day, 16 hours, 34 minutes, 8 seconds.
• To count from 1 to 20,438,757,248 would take you about one thousand, two hundred ninety-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 20438757248 cubic inches would be around 227.8 feet tall.

Recreational maths with 20438757248

• 20438757248 backwards is 84275783402
• The number of decimal digits it has is: 11
• The sum of 20438757248's digits is 50
• More coming soon!