81472748448

Names of 81472748448

• Cardinal: 81472748448 can be written as Eighty-one billion, four hundred seventy-two million, seven hundred forty-eight thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 8.1472748448 × 10¹⁰

Factors of 81472748448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 70165

Divisors of 81472748448

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 19 21 24 26 28 32 38 39 42 48 49 52 56 57 76 78 84 91 96 98 104 112 114 133 147 152 156 168 182 196 208 224 228 247 266 273 294 304 312 336 364 392 399 416 456 494 532 546 588 608 624 637 672 728 741 784 798 912 931 988 1064 1092 1176 1248 1274 1456 1482 1568 1596 1729 1824 1862 1911 1976 2128 2184 2352 2548 2793 2912 2964 3192 3458 3724 3822 3952 4256 4368 4704 5096 5187 5586 5928 6384 6916 7448 7644 7904 8736 10192 10374 11172 11856 12103 12768 13832 14896 15288 20384 20748 22344 23712 24206 27664 29792 30576 36309 41496 44688 48412 55328 61152 70121 72618 82992 89376 96824 140242 145236 165984 193648 210363 280484 290472 387296 420726 490847 560968 580944 841452 911573 981694 1121936 1161888 1332299 1472541 1682904 1823146 1963388 2243872 2664598 2734719 2945082 3365808 3435929 3646292 3926776 3996897 5329196 5469438 5890164 6381011 6731616 6871858 7292584 7853552 7993794 9326093 10307787 10658392 10938876 11780328 12762022 13743716 14585168 15707104 15987588 17319887 18652186 19143033 20615574 21316784 21877752 23560656 25524044 27487432 27978279 29170336 31975176 34639774 37304372 38286066 41231148 42633568 43755504 44667077 47121312 51048088 51959661 54974864 55956558 63950352 65282651 69279548 74608744 76572132 82462296 87511008 89334154 102096176 103919322 109949728 111913116 121239209 127900704 130565302 134001231 138559096 149217488 153144264 164924592 178668308 195847953 204192352 207838644 223826232 242478418 261130604 268002462 277118192 298434976 306288528 329849184 357336616 363717627 391695906 415677288 447652464 484956836 522261208 536004924 554236384 612577056 714673232 727435254 783391812 831354576 848674463 895304928 969913672 1044522416 1072009848 1429346464 1454870508 1566783624 1662709152 1697348926 1939827344 2089044832 2144019696 2546023389 2909741016 3133567248 3394697852 3879654688 4288039392 5092046778 5819482032 6267134496 6789395704 10184093556 11638964064 13578791408 20368187112 27157582816 40736374224 81472748448
• Sum of all divisors σ(n): 282025074240
• Sum of proper divisors (its aliquot sum) s(n): 200552325792
• 81472748448 is an abundant number, because the sum of its proper divisors (200552325792) is greater than itself. Its abundance is 119079577344

Bases of 81472748448

• Binary: 1001011111000001001110111101110100000₂
• Hexadecimal: 0x12F8277BA0
• Base-36: 11FERR1C

Squares and roots of 81472748448

• 81472748448 squared (81472748448²) is 6637808739671086408704
• 81472748448 cubed (81472748448³) is 540800521693158341235212709691392
• The square root of 81472748448 is 285434.3154703023
• The cube root of 81472748448 is 4335.1499340045

Scales and comparisons

• 81,472,748,448 seconds is equal to 2,590 years, 30 weeks, 1 day, 15 hours, 48 seconds.
• To count from 1 to 81,472,748,448 would take you about five thousand, one hundred eighty-one 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 81472748448 cubic inches would be around 361.3 feet tall.

Recreational maths with 81472748448

• 81472748448 backwards is 84484727418
• 81472748448 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81472748448's digits is 57
• More coming soon!