1221445632

Names of 1221445632

• Cardinal: 1221445632 can be written as One billion, two hundred twenty-one million, four hundred forty-five thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 1.221445632 × 10⁹

Factors of 1221445632

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 100

Divisors of 1221445632

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 32 33 44 48 53 62 64 66 88 93 96 106 121 124 128 132 159 176 186 192 212 242 248 256 264 318 341 352 363 372 384 424 484 496 512 528 583 636 682 704 726 744 768 848 968 992 1023 1024 1056 1166 1272 1364 1408 1452 1488 1536 1643 1696 1749 1936 1984 2046 2048 2112 2332 2544 2728 2816 2904 2976 3072 3286 3392 3498 3751 3872 3968 4092 4224 4664 4929 5088 5456 5632 5808 5952 6144 6413 6572 6784 6996 7502 7744 7936 8184 8448 9328 9858 10176 10912 11253 11264 11616 11904 12826 13144 13568 13992 15004 15488 15872 16368 16896 18073 18656 19239 19716 20352 21824 22506 22528 23232 23808 25652 26288 27136 27984 30008 30976 31744 32736 33792 36146 37312 38478 39432 40704 43648 45012 46464 47616 51304 52576 54219 54272 55968 60016 61952 63488 65472 67584 72292 74624 76956 78864 81408 87296 90024 92928 95232 102608 105152 108438 108544 111936 120032 123904 130944 144584 149248 153912 157728 162816 174592 180048 185856 190464 198803 205216 210304 216876 223872 240064 247808 261888 289168 298496 307824 315456 325632 349184 360096 371712 397606 410432 420608 433752 447744 480128 523776 578336 596409 596992 615648 630912 698368 720192 743424 795212 820864 841216 867504 895488 960256 1047552 1156672 1192818 1193984 1231296 1261824 1440384 1590424 1641728 1682432 1735008 1790976 1920512 2095104 2313344 2385636 2462592 2523648 2880768 3180848 3283456 3364864 3470016 3581952 3841024 4626688 4771272 4925184 5047296 5761536 6361696 6566912 6940032 7682048 9253376 9542544 9850368 10094592 11523072 12723392 13133824 13880064 18506752 19085088 19700736 23046144 25446784 27760128 37013504 38170176 39401472 50893568 55520256 76340352 101787136 111040512 152680704 203574272 305361408 407148544 610722816 1221445632
• Sum of all divisors σ(n): 3764517120
• Sum of proper divisors (its aliquot sum) s(n): 2543071488
• 1221445632 is an abundant number, because the sum of its proper divisors (2543071488) is greater than itself. Its abundance is 1321625856

Bases of 1221445632

• Binary: 1001000110011011100100000000000₂
• Hexadecimal: 0x48CDC800
• Base-36: K77THC

Squares and roots of 1221445632

• 1221445632 squared (1221445632²) is 1491929431931879424
• 1221445632 cubed (1221445632³) is 1822310687885435443995475968
• The square root of 1221445632 is 34949.1864282989
• The cube root of 1221445632 is 1068.9516129479

Scales and comparisons

• 1,221,445,632 seconds is equal to 38 years, 43 weeks, 4 days, 2 hours, 27 minutes, 12 seconds.
• To count from 1 to 1,221,445,632 would take you about seventy-seven 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 1221445632 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221445632

• 1221445632 backwards is 2365441221
• The number of decimal digits it has is: 10
• The sum of 1221445632's digits is 30
• More coming soon!