21370152672

Names of 21370152672

• Cardinal: 21370152672 can be written as Twenty-one billion, three hundred seventy million, one hundred fifty-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1370152672 × 10¹⁰

Factors of 21370152672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 18599

Divisors of 21370152672

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 88 96 99 108 121 132 144 176 198 216 242 264 288 297 352 363 396 432 484 528 594 726 792 864 968 1056 1089 1188 1331 1452 1584 1936 2178 2376 2662 2904 3168 3267 3872 3993 4356 4752 5324 5808 6534 7986 8712 9504 10648 11616 11979 13068 15972 17424 18583 21296 23958 26136 31944 34848 35937 37166 42592 47916 52272 55749 63888 71874 74332 95832 104544 111498 127776 143748 148664 167247 191664 204413 222996 287496 297328 334494 383328 408826 445992 501741 574992 594656 613239 668988 817652 891984 1003482 1149984 1226478 1337976 1635304 1783968 1839717 2006964 2248543 2452956 2675952 3270608 3679434 4013928 4497086 4905912 5351904 5519151 6541216 6745629 7358868 8027856 8994172 9811824 11038302 13491258 14717736 16055712 17988344 19623648 20236887 22076604 24733973 26982516 29435472 35976688 40473774 44153208 49467946 53965032 58870944 60710661 71953376 74201919 80947548 88306416 98935892 107930064 121421322 148403838 161895096 176612832 197871784 215860128 222605757 242842644 296807676 323790192 395743568 445211514 485685288 593615352 647580384 667817271 791487136 890423028 971370576 1187230704 1335634542 1780846056 1942741152 2374461408 2671269084 3561692112 5342538168 7123384224 10685076336 21370152672
• Sum of all divisors σ(n): 68561579520
• Sum of proper divisors (its aliquot sum) s(n): 47191426848
• 21370152672 is an abundant number, because the sum of its proper divisors (47191426848) is greater than itself. Its abundance is 25821274176

Bases of 21370152672

• Binary: 10011111001110000101010011011100000₂
• Hexadecimal: 0x4F9C2A6E0
• Base-36: 9TF8JC0

Squares and roots of 21370152672

• 21370152672 squared (21370152672²) is 456683425224588739584
• 21370152672 cubed (21370152672³) is 9759394519821357253322129768448
• The square root of 21370152672 is 146185.3367202057
• The cube root of 21370152672 is 2775.0397493211

Scales and comparisons

• 21,370,152,672 seconds is equal to 679 years, 26 weeks, 1 day, 17 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,370,152,672 would take you about one thousand, three hundred fifty-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 21370152672 cubic inches would be around 231.3 feet tall.

Recreational maths with 21370152672

• 21370152672 backwards is 27625107312
• 21370152672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21370152672's digits is 36
• More coming soon!