21438647606272

Names of 21438647606272

• Cardinal: 21438647606272 can be written as Twenty-one trillion, four hundred thirty-eight billion, six hundred forty-seven million, six hundred six thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1438647606272 × 10¹³

Factors of 21438647606272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 105228

Divisors of 21438647606272

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 52 53 64 68 104 106 128 136 208 212 221 256 272 289 416 424 442 512 544 578 689 832 848 884 901 1024 1088 1156 1378 1664 1696 1768 1802 2176 2312 2756 3328 3392 3536 3604 3757 4352 4624 5512 6656 6784 7072 7208 7514 8704 9248 11024 11713 13312 13568 14144 14416 15028 15317 17408 18496 22048 23426 27136 28288 28832 30056 30634 36992 44096 46852 54272 56576 57664 60112 61268 73984 88192 93704 105143 113152 115328 120224 122536 147968 176384 187408 199121 210286 226304 230656 240448 245072 295936 352768 374816 398242 420572 461312 480896 490144 705536 749632 796484 841144 922624 961792 980288 1366859 1499264 1592968 1682288 1787431 1923584 1960576 2733718 2998528 3185936 3364576 3574862 3847168 3921152 5467436 5572579 5997056 6371872 6729152 7149724 7842304 10934872 11145158 11994112 12743744 13458304 14299448 15684608 21869744 22290316 23236603 25487488 26916608 28598896 30386327 43739488 44580632 46473206 50974976 53833216 57197792 60772654 72443527 87478976 89161264 92946412 94733843 101949952 107666432 114395584 121545308 144887054 174957952 178322528 185892824 189467686 203899904 228791168 243090616 289774108 349915904 356645056 371785648 378935372 395022251 457582336 486181232 579548216 699831808 713290112 743571296 757870744 790044502 915164672 972362464 1159096432 1231539959 1399663616 1426580224 1487142592 1515741488 1580089004 1610475331 1830329344 1944724928 2318192864 2463079918 2853160448 2974285184 3031482976 3160178008 3220950662 3889449856 4636385728 4926159836 5706320896 5948570368 6062965952 6320356016 6441901324 7778899712 9272771456 9852319672 11897140736 12125931904 12640712032 12883802648 15557799424 18545542912 19704639344 20936179303 23794281472 24251863808 25281424064 25767605296 31115598848 37091085824 39409278688 41872358606 48503727616 50562848128 51535210592 74182171648 78818557376 83744717212 97007455232 101125696256 103070421184 157637114752 167489434424 202251392512 206140842368 315274229504 334978868848 404502785024 412281684736 630548459008 669957737696 824563369472 1261096918016 1339915475392 1649126738944 2679830950784 5359661901568 10719323803136 21438647606272
• Sum of all divisors σ(n): 49953107314656
• Sum of proper divisors (its aliquot sum) s(n): 28514459708384
• 21438647606272 is an abundant number, because the sum of its proper divisors (28514459708384) is greater than itself. Its abundance is 7075812102112

Bases of 21438647606272

• Binary: 100110111111110010010111110011001110000000000₂
• Hexadecimal: 0x137F92F99C00
• Base-36: 7LKS196V4

Squares and roots of 21438647606272

• 21438647606272 squared (21438647606272²) is 459615611185912155533737984
• 21438647606272 cubed (21438647606272³) is 9853537122556097900402239589218043035648
• The square root of 21438647606272 is 4630188.7225330241
• The cube root of 21438647606272 is 27780.0141043817

Scales and comparisons

• 21,438,647,606,272 seconds is equal to 681,682 years, 35 weeks, 2 days, 10 hours, 37 minutes, 52 seconds.
• To count from 1 to 21,438,647,606,272 would take you about one million, seven hundred four thousand, two hundred 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 21438647606272 cubic inches would be around 2315 feet tall.

Recreational maths with 21438647606272

• 21438647606272 backwards is 27260674683412
• The number of decimal digits it has is: 14
• The sum of 21438647606272's digits is 58
• More coming soon!