21425168747008

Names of 21425168747008

• Cardinal: 21425168747008 can be written as Twenty-one trillion, four hundred twenty-five billion, one hundred sixty-eight million, seven hundred forty-seven thousand and eight.

Scientific notation

• Scientific notation: 2.1425168747008 × 10¹³

Factors of 21425168747008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 13965

Divisors of 21425168747008

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 13 16 26 32 37 52 64 74 104 128 148 169 208 256 296 338 416 481 512 592 676 832 962 1184 1352 1369 1664 1924 2197 2368 2704 2738 3328 3848 4394 4736 5408 5476 6253 6656 7696 8788 9472 10816 10952 12506 13913 15392 17576 17797 18944 21632 21904 25012 27826 30784 35152 35594 43264 43808 50024 55652 61568 70304 71188 81289 86528 87616 100048 111304 123136 140608 142376 162578 175232 180869 200096 222608 231361 246272 281216 284752 325156 350464 361738 400192 445216 462722 514781 562432 569504 650312 700928 723476 800384 890432 925444 1029562 1124864 1139008 1300624 1446952 1600768 1780864 1850888 2059124 2278016 2351297 2601248 2893904 3007693 3201536 3561728 3701776 4118248 4556032 4702594 5202496 5787808 6015386 6692153 7123456 7403552 8236496 9112064 9405188 10404992 11575616 12030772 13384306 14807104 16472992 18810376 19046897 20809984 23151232 24061544 26768612 29614208 30566861 32945984 37620752 38093794 41619968 46302464 48123088 53537224 59228416 61133722 65891968 75241504 76187588 86997989 92604928 96246176 107074448 118456832 122267444 131783936 150483008 152375176 173995978 192492352 214148896 244534888 247609661 263567872 300966016 304750352 347991956 384984704 428297792 489069776 495219322 601932032 609500704 695983912 769969408 856595584 978139552 990438644 1130973857 1203864064 1219001408 1391967824 1539938816 1713191168 1956279104 1980877288 2261947714 2438002816 2783935648 3218925593 3426382336 3912558208 3961754576 4523895428 4876005632 5567871296 6437851186 7825116416 7923509152 9047790856 9752011264 11135742592 12875702372 15650232832 15847018304 18095581712 22271485184 25751404744 31694036608 36191163424 41846032709 44542970368 51502809488 63388073216 72382326848 83692065418 103005618976 126776146432 144764653696 167384130836 206011237952 289529307392 334768261672 412022475904 579058614784 669536523344 824044951808 1339073046688 1648089903616 2678146093376 5356292186752 10712584373504 21425168747008
• Sum of all divisors σ(n): 47664900110520
• Sum of proper divisors (its aliquot sum) s(n): 26239731363512
• 21425168747008 is an abundant number, because the sum of its proper divisors (26239731363512) is greater than itself. Its abundance is 4814562616504

Bases of 21425168747008

• Binary: 100110111110001101111100100101000101000000000₂
• Hexadecimal: 0x137C6F928A00
• Base-36: 7LEL4AGHS

Squares and roots of 21425168747008

• 21425168747008 squared (21425168747008²) is 459037855837768352708952064
• 21425168747008 cubed (21425168747008³) is 9834963522588918315532214695555615424512
• The square root of 21425168747008 is 4628732.9526564827
• The cube root of 21425168747008 is 27774.1909540951

Scales and comparisons

• 21,425,168,747,008 seconds is equal to 681,254 years, 4 weeks, 6 days, 3 hours, 3 minutes, 28 seconds.
• To count from 1 to 21,425,168,747,008 would take you about one million, seven hundred three thousand, one hundred thirty-five 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 21425168747008 cubic inches would be around 2314.5 feet tall.

Recreational maths with 21425168747008

• 21425168747008 backwards is 80074786152412
• The number of decimal digits it has is: 14
• The sum of 21425168747008's digits is 55
• More coming soon!