161189028

Names of 161189028

• Cardinal: 161189028 can be written as One hundred sixty-one million, one hundred eighty-nine thousand and twenty-eight.

Scientific notation

• Scientific notation: 1.61189028 × 10⁸

Factors of 161189028

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 107

Divisors of 161189028

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 18 21 22 26 27 28 33 36 39 42 44 49 52 54 63 66 71 77 78 81 84 91 98 99 108 117 126 132 142 143 147 154 156 162 182 189 196 198 213 231 234 252 273 284 286 294 297 308 324 351 364 378 396 426 429 441 462 468 497 539 546 567 572 588 594 637 639 693 702 756 781 819 852 858 882 891 923 924 994 1001 1053 1078 1092 1134 1188 1274 1278 1287 1323 1386 1404 1491 1562 1617 1638 1716 1764 1782 1846 1911 1917 1988 2002 2079 2106 2156 2268 2343 2457 2548 2556 2574 2646 2769 2772 2982 3003 3124 3234 3276 3479 3564 3692 3822 3834 3861 3969 4004 4158 4212 4473 4686 4851 4914 5148 5292 5467 5538 5733 5751 5964 6006 6237 6461 6468 6958 7007 7029 7371 7644 7668 7722 7938 8307 8316 8946 9009 9372 9702 9828 10153 10437 10934 11076 11466 11502 11583 12012 12474 12922 13419 13916 14014 14058 14553 14742 15444 15876 16401 16614 17199 17892 18018 19383 19404 20306 20874 21021 21087 21868 22932 23004 23166 24921 24948 25844 26838 27027 28028 28116 29106 29484 30459 31311 32802 33228 34398 36036 38269 38766 40257 40612 41748 42042 42174 43659 45227 46332 49203 49842 51597 53676 54054 58149 58212 60918 62622 63063 63261 65604 68796 71071 74763 76538 77532 80514 81081 84084 84348 87318 90454 91377 93933 98406 99684 103194 108108 114807 116298 121836 125244 126126 126522 135681 142142 147609 149526 153076 161028 162162 174447 174636 180908 182754 187866 189189 196812 206388 213213 229614 232596 252252 253044 271362 274131 281799 284284 295218 299052 324324 344421 348894 365508 375732 378378 407043 426426 442827 459228 497497 523341 542724 548262 563598 567567 590436 639639 688842 697788 756756 814086 822393 852852 885654 994994 1033263 1046682 1096524 1127196 1135134 1221129 1279278 1377684 1492491 1628172 1644786 1771308 1918917 1989988 2066526 2093364 2270268 2442258 2558556 2984982 3099789 3289572 3663387 3837834 4133052 4477473 4884516 5756751 5969964 6199578 7326774 7675668 8954946 11513502 12399156 13432419 14653548 17909892 23027004 26864838 40297257 53729676 80594514 161189028
• Sum of all divisors σ(n): 583982784
• Sum of proper divisors (its aliquot sum) s(n): 422793756
• 161189028 is an abundant number, because the sum of its proper divisors (422793756) is greater than itself. Its abundance is 261604728

Bases of 161189028

• Binary: 1001100110111000110010100100₂
• Hexadecimal: 0x99B8CA4
• Base-36: 2NYU90

Squares and roots of 161189028

• 161189028 squared (161189028²) is 25981902747584784
• 161189028 cubed (161189028³) is 4187997649473720680549952
• The square root of 161189028 is 12696.0241020565
• The cube root of 161189028 is 544.2250051417

Scales and comparisons

• 161,189,028 seconds is equal to 5 years, 6 weeks, 3 days, 14 hours, 43 minutes, 48 seconds.
• To count from 1 to 161,189,028 would take you about 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 161189028 cubic inches would be around 45.4 feet tall.

Recreational maths with 161189028

• 161189028 backwards is 820981161
• 161189028 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 161189028's digits is 36
• More coming soon!